81321521490000
81,321,521,490,000 is an even composite number composed of six prime numbers multiplied together.
What does the number 81321521490000 look like?
This visualization shows the relationship between its 6 prime factors (large circles) and 900 divisors.
81321521490000 is an even composite number. It is composed of six distinct prime numbers multiplied together. It has a total of nine hundred divisors.
Prime factorization of 81321521490000:
24 × 32 × 54 × 112 × 53 × 140897
(2 × 2 × 2 × 2 × 3 × 3 × 5 × 5 × 5 × 5 × 11 × 11 × 53 × 140897)See below for interesting mathematical facts about the number 81321521490000 from the Numbermatics database.
Names of 81321521490000
- Cardinal: 81321521490000 can be written as Eighty-one trillion, three hundred twenty-one billion, five hundred twenty-one million, four hundred ninety thousand.
Scientific notation
- Scientific notation: 8.132152149 × 1013
Factors of 81321521490000
Divisors of 81321521490000
- Number of divisors d(n): 900
-
Complete list of divisors:
1 2 3 4 5 6 8 9 10 11 12 15 16 18 20 22 24 25 30 33 36 40 44 45 48 50 53 55 60 66 72 75 80 88 90 99 100 106 110 120 121 125 132 144 150 159 165 176 180 198 200 212 220 225 240 242 250 264 265 275 300 318 330 360 363 375 396 400 424 440 450 477 484 495 500 528 530 550 583 600 605 625 636 660 720 726 750 792 795 825 848 880 900 954 968 990 1000 1060 1089 1100 1125 1166 1200 1210 1250 1272 1320 1325 1375 1452 1500 1584 1590 1650 1749 1800 1815 1875 1908 1936 1980 2000 2120 2178 2200 2250 2332 2385 2420 2475 2500 2544 2640 2650 2750 2904 2915 3000 3025 3180 3300 3498 3600 3630 3750 3816 3960 3975 4125 4240 4356 4400 4500 4664 4770 4840 4950 5000 5247 5300 5445 5500 5625 5808 5830 6000 6050 6360 6413 6600 6625 6875 6996 7260 7500 7632 7920 7950 8250 8712 8745 9000 9075 9328 9540 9680 9900 10000 10494 10600 10890 11000 11250 11660 11925 12100 12375 12720 12826 13200 13250 13750 13992 14520 14575 15000 15125 15900 16500 17424 17490 18000 18150 19080 19239 19800 19875 20625 20988 21200 21780 22000 22500 23320 23850 24200 24750 25652 26235 26500 27225 27500 27984 29040 29150 30000 30250 31800 32065 33000 33125 34980 36300 38160 38478 39600 39750 41250 41976 43560 43725 45000 45375 46640 47700 48400 49500 51304 52470 53000 54450 55000 57717 58300 59625 60500 61875 63600 64130 66000 66250 69960 72600 72875 75625 76956 79500 82500 83952 87120 87450 90000 90750 95400 96195 99000 99375 102608 104940 106000 108900 110000 115434 116600 119250 121000 123750 128260 131175 132500 136125 139920 140897 145200 145750 151250 153912 159000 160325 165000 174900 181500 190800 192390 198000 198750 209880 217800 218625 226875 230868 233200 238500 242000 247500 256520 262350 265000 272250 281794 288585 291500 298125 302500 307824 318000 320650 330000 349800 363000 364375 384780 397500 419760 422691 435600 437250 453750 461736 477000 480975 495000 513040 524700 530000 544500 563588 577170 583000 596250 605000 641300 655875 680625 699600 704485 726000 728750 769560 795000 801625 845382 874500 907500 923472 954000 961950 990000 1049400 1089000 1093125 1127176 1154340 1166000 1192500 1210000 1268073 1282600 1311750 1361250 1408970 1442925 1457500 1539120 1549867 1590000 1603250 1690764 1749000 1815000 1923900 2098800 2113455 2178000 2186250 2254352 2308680 2385000 2404875 2536146 2565200 2623500 2722500 2817940 2885850 2915000 3099734 3206500 3279375 3381528 3498000 3522425 3630000 3847800 4008125 4226910 4372500 4617360 4649601 4770000 4809750 5072292 5247000 5445000 5635880 5771700 5830000 6199468 6340365 6413000 6558750 6763056 7044850 7214625 7467541 7695600 7749335 8016250 8453820 8745000 9299202 9619500 10144584 10494000 10567275 10890000 11271760 11543400 12024375 12398936 12680730 12826000 13117500 13948803 14089700 14429250 14935082 15498670 16032500 16907640 17048537 17490000 17612125 18598404 19239000 20289168 21134550 22402623 23086800 23248005 24048750 24797872 25361460 26235000 27897606 28179400 28858500 29870164 30997340 31701825 32065000 33815280 34097074 35224250 36073125 37196808 37337705 38478000 38746675 42269100 44805246 46496010 48097500 50722920 51145611 52470000 52836375 55795212 56358800 57717000 59740328 61994680 63403650 64130000 67207869 68194148 69744015 70448500 72146250 74393616 74675410 77493350 82142951 84538200 85242685 88060625 89610492 92992020 96195000 101445840 102291222 105672750 111590424 112013115 115434000 116240025 119480656 123989360 126807300 134415738 136388296 139488030 140897000 144292500 149350820 153436833 154986700 158509125 164285902 169076400 170485370 176121250 179220984 185984040 186688525 192390000 193733375 204582444 211345500 223180848 224026230 232480050 246428853 253614600 255728055 264181875 268831476 272776592 278976060 281794000 288585000 298701640 306873666 309973400 317018250 328571804 336039345 340970740 348720075 352242500 358441968 371968080 373377050 387466750 409164888 410714755 422691000 426213425 448052460 464960100 492857706 507229200 511456110 528363750 537662952 557952120 560065575 577170000 581200125 597403280 613747332 619946800 634036500 657143608 672078690 681941480 697440150 704485000 739286559 746754100 767184165 774933500 792545625 818329776 821429510 845382000 852426850 896104920 903572461 929920200 933442625 968666875 985715412 1022912220 1056727500 1075325904 1115904240 1120131150 1162400250 1227494664 1232144265 1268073000 1278640275 1314287216 1344157380 1363882960 1394880300 1408970000 1478573118 1493508200 1534368330 1549867000 1585091250 1642859020 1680196725 1704853700 1743600375 1792209840 1807144922 1859840400 1866885250 1937333750 1971430824 2045824440 2053573775 2113455000 2131067125 2240262300 2324800500 2454989328 2464288530 2536146000 2557280550 2688314760 2710717383 2789760600 2800327875 2906000625 2957146236 2987016400 3068736660 3099734000 3170182500 3285718040 3360393450 3409707400 3487200750 3614289844 3696432795 3733770500 3835920825 3874667500 3942861648 4091648880 4107147550 4226910000 4262134250 4480524600 4517862305 4649601000 4667213125 4928577060 5114561100 5376629520 5421434766 5579521200 5600655750 5812001250 5914292472 6137473320 6160721325 6340365000 6393201375 6571436080 6720786900 6819414800 6974401500 7228579688 7392865590 7467541000 7671841650 7749335000 8132152149 8214295100 8400983625 8524268500 8718001875 8961049200 9035724610 9299202000 9334426250 9857154120 10229122200 10267868875 10655335625 10842869532 11201311500 11624002500 11828584944 12274946640 12321442650 12680730000 12786402750 13441573800 13553586915 13948803000 14001639375 14457159376 14785731180 14935082000 15343683300 15498670000 16264304298 16428590200 16801967250 17048537000 17436003750 18071449220 18482163975 18668852500 19179604125 19714308240 20458244400 20535737750 21310671250 21685739064 22402623000 22589311525 23248005000 24642885300 25572805500 26883147600 27107173830 27897606000 28003278750 29571462360 30687366600 30803606625 31966006875 32528608596 32857180400 33603934500 34097074000 34872007500 36142898440 36964327950 37337705000 38359208250 40660760745 41071475500 42004918125 42621342500 43371478128 44805246000 45178623050 46496010000 49285770600 51145611000 51339344375 54214347660 56006557500 59142924720 61374733200 61607213250 63932013750 65057217192 67207869000 67767934575 69744015000 72285796880 73928655900 74675410000 76718416500 81321521490 82142951000 84009836250 85242685000 90357246100 92410819875 95898020625 98571541200 102291222000 102678688750 108428695320 112013115000 112946557625 123214426500 127864027500 130114434384 134415738000 135535869150 139488030000 147857311800 153436833000 154018033125 162643042980 164285902000 168019672500 170485370000 180714492200 184821639750 191796041250 203303803725 205357377500 216857390640 224026230000 225893115250 246428853000 255728055000 271071738300 295714623600 306873666000 308036066250 325286085960 336039345000 338839672875 361428984400 369643279500 383592082500 406607607450 410714755000 451786230500 462054099375 492857706000 511456110000 542143476600 564732788125 616072132500 650572171920 672078690000 677679345750 739286559000 767184165000 813215214900 821429510000 903572461000 924108198750 1016519018625 1084286953200 1129465576250 1232144265000 1355358691500 1478573118000 1534368330000 1626430429800 1694198364375 1807144922000 1848216397500 2033038037250 2258931152500 2464288530000 2710717383000 3252860859600 3388396728750 3696432795000 4066076074500 4517862305000 5082595093125 5421434766000 6776793457500 7392865590000 8132152149000 9035724610000 10165190186250 13553586915000 16264304298000 20330380372500 27107173830000 40660760745000 81321521490000
- Sum of all divisors σ(n): 318497706474948
- Sum of proper divisors (its aliquot sum) s(n): 237176184984948
- 81321521490000 is an abundant number, because the sum of its proper divisors (237176184984948) is greater than itself. Its abundance is 155854663494948
Bases of 81321521490000
- Binary: 100100111110110001001000110011010101000010100002
- Hexadecimal: 0x49F62466A850
- Base-36: STQLA8HG0
Squares and roots of 81321521490000
- 81321521490000 squared (813215214900002) is 6613189857448531820100000000
- 81321521490000 cubed (813215214900003) is 537794661109950816977210963949000000000000
-
The
square root of 81321521490000 is 9017844.6144297697 -
The
cube root of 81321521490000 is 43324.6601986453
Scales and comparisons
How big is 81321521490000?- 81,321,521,490,000 seconds is equal to 2,585,772 years, 43 weeks, 4 days, 13 hours.
-
To count from 1 to 81,321,521,490,000 would take you about six million, four hundred sixty-four thousand, four hundred thirty-two years!
This is a very rough estimate, based on a speaking rate of half a second every third order of magnitude. If you speak quickly, you could probably say any randomly-chosen number between one and a thousand in around half a second. Very big numbers obviously take longer to say, so we add half a second for every extra x1000. (We do not count involuntary pauses, bathroom breaks or the necessity of sleep in our calculation!)
- A cube with a volume of 81321521490000 cubic inches would be around 3610.4 feet tall.
Recreational maths with 81321521490000
- 81321521490000 backwards is 00009412512318
- 81321521490000 is a
Harshad number . - The number of decimal digits it has is: 14
- The sum of 81321521490000's digits is 36
- More coming soon!
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The information we have on file for 81321521490000 includes mathematical data and numerical statistics calculated using standard algorithms and methods. We are adding more all the time. If there are any features you would like to see, please contact us. Information provided for educational use, intellectual curiosity and fun!
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