72972843840

Names of 72972843840

• Cardinal: 72972843840 can be written as Seventy-two billion, nine hundred seventy-two million, eight hundred forty-three thousand, eight hundred forty.

Scientific notation

• Scientific notation: 7.297284384 × 10¹⁰

Factors of 72972843840

• Number of distinct prime factors ω(n): 7
• Total number of prime factors Ω(n): 14
• Sum of prime factors: 616

Divisors of 72972843840

• Number of divisors d(n): 896
• Complete list of divisors:
  1 2 3 4 5 6 8 9 10 12 13 15 16 18 20 24 26 27 29 30 32 36 39 40 43 45 48 52 54 58 60 64 65 72 78 80 86 87 90 96 104 108 116 117 120 129 130 135 144 145 156 160 172 174 180 192 195 208 215 216 232 234 240 258 260 261 270 288 290 312 320 344 348 351 360 377 387 390 416 430 432 435 464 468 480 516 520 521 522 540 559 576 580 585 624 645 688 696 702 720 754 774 780 783 832 860 864 870 928 936 960 1032 1040 1042 1044 1080 1118 1131 1160 1161 1170 1247 1248 1290 1305 1376 1392 1404 1440 1508 1548 1560 1563 1566 1677 1720 1728 1740 1755 1856 1872 1885 1935 2064 2080 2084 2088 2160 2236 2262 2320 2322 2340 2494 2496 2580 2605 2610 2752 2784 2795 2808 2880 3016 3096 3120 3126 3132 3354 3393 3440 3480 3510 3741 3744 3770 3870 3915 4128 4160 4168 4176 4320 4472 4524 4640 4644 4680 4689 4988 5031 5160 5210 5220 5568 5590 5616 5655 5805 6032 6192 6235 6240 6252 6264 6708 6773 6786 6880 6960 7020 7482 7488 7540 7740 7815 7830 8256 8336 8352 8385 8640 8944 9048 9280 9288 9360 9378 9976 10062 10179 10320 10420 10440 11180 11223 11232 11310 11610 12064 12384 12470 12480 12504 12528 13416 13546 13572 13760 13920 14040 14067 14964 15080 15093 15109 15480 15630 15660 16211 16672 16704 16770 16965 17888 18096 18576 18705 18720 18756 19952 20124 20319 20358 20640 20840 20880 22360 22403 22446 22464 22620 23220 23445 24128 24768 24940 25008 25056 25155 26832 27092 27144 27840 28080 28134 29928 30160 30186 30218 30960 31260 31320 32422 33344 33540 33669 33865 33930 35776 36192 37152 37410 37440 37512 39904 40248 40638 40716 41280 41680 41760 44720 44806 44892 45240 45327 46440 46890 48633 49880 50016 50112 50310 50895 53664 54184 54288 56115 56160 56268 59856 60320 60372 60436 60957 61920 62520 62640 64844 67080 67209 67338 67730 67860 70335 72384 74304 74820 75024 75465 75545 79808 80496 81055 81276 81432 83360 83520 89440 89612 89784 90480 90654 92880 93780 97266 99760 100032 100620 101595 101790 107328 108368 108576 112015 112230 112320 112536 119712 120640 120744 120872 121914 123840 125040 125280 129688 134160 134418 134676 135460 135720 135981 140670 145899 149640 150048 150930 151090 160992 162110 162552 162864 166720 168345 178880 179224 179568 180960 181308 182871 185760 187560 194532 196417 199520 201240 201627 203190 203580 216736 217152 224030 224460 225072 226635 239424 241488 241744 243165 243828 250080 250560 259376 268320 268836 269352 270920 271440 271962 281340 291239 291798 299280 300096 301860 302180 304785 321984 324220 325104 325728 336045 336690 358448 359136 361920 362616 365742 371520 375120 389064 392834 399040 402480 403254 406380 407160 407943 433472 437697 448060 448920 450144 453270 482976 483488 486330 487656 500160 518752 536640 537672 538704 541840 542880 543924 562680 582478 583596 589251 598560 603720 604360 604881 609570 648440 649687 650208 651456 672090 673380 679905 716896 718272 725232 729495 731484 750240 778128 785668 804960 806508 812760 814320 815886 873717 875394 896120 897840 900288 906540 914355 965952 966976 972660 975312 982085 1008135 1037504 1075344 1077408 1083680 1085760 1087848 1125360 1164956 1167192 1178502 1197120 1207440 1208720 1209762 1219140 1296880 1299374 1300416 1344180 1346760 1359810 1433792 1450464 1456195 1458990 1462968 1500480 1556256 1571336 1609920 1613016 1625520 1628640 1631772 1747434 1750788 1767753 1792240 1795680 1813080 1828710 1945320 1949061 1950624 1964170 2016270 2039715 2150688 2154816 2167360 2175696 2188485 2250720 2329912 2334384 2357004 2414880 2417440 2419524 2438280 2593760 2598748 2621151 2688360 2693520 2719620 2900928 2912390 2917980 2925936 2946255 3024405 3112512 3142672 3226032 3248435 3251040 3257280 3263544 3494868 3501576 3535506 3584480 3591360 3626160 3657420 3890640 3898122 3901248 3928340 4032540 4079430 4301376 4351392 4368585 4376970 4501440 4659824 4668768 4714008 4829760 4834880 4839048 4876560 5187520 5197496 5242302 5303259 5376720 5387040 5439240 5824780 5835960 5847183 5851872 5892510 6048810 6285344 6452064 6496870 6502080 6527088 6989736 7003152 7071012 7168960 7252320 7314840 7781280 7796244 7856680 7863453 8065080 8158860 8445931 8702784 8737170 8753940 8838765 9319648 9337536 9428016 9678096 9745305 9753120 10394992 10484604 10606518 10753440 10774080 10878480 11649560 11671920 11694366 11703744 11785020 12097620 12570688 12904128 12993740 13054176 13105755 13979472 14006304 14142024 14504640 14629680 15562560 15592488 15713360 15726906 16130160 16317720 16891862 17474340 17507880 17541549 17677530 18639296 18856032 19356192 19490610 19506240 20789984 20969208 21213036 21506880 21756960 23299120 23343840 23388732 23570040 24195240 25337793 25987480 26108352 26211510 26516295 27958944 28012608 28284048 29235915 29259360 31184976 31426720 31453812 32260320 32635440 33783724 34948680 35015760 35083098 35355060 37712064 38712384 38981220 39317265 41579968 41938416 42229655 42426072 43513920 46598240 46687680 46777464 47140080 48390480 50675586 51974960 52423020 53032590 55917888 56568096 58471830 58518720 62369952 62853440 62907624 64520640 65270880 67567448 69897360 70031520 70166196 70710120 76013379 77962440 78634530 83876832 84459310 84852144 87707745 93196480 93554928 94280160 96780960 101351172 103949920 104846040 106065180 113136192 116943660 124739904 125815248 126688965 130541760 135134896 139794720 140063040 140332392 141420240 152026758 155924880 157269060 167753664 168918620 169704288 175415490 187109856 188560320 193561920 202702344 207899840 209692080 212130360 228040137 233887320 251630496 253377930 270269792 279589440 280664784 282840480 304053516 311849760 314538120 337837240 339408576 350830980 374219712 380066895 405404688 419384160 424260720 456080274 467774640 503260992 506755860 540539584 561329568 565680960 608107032 623699520 629076240 675674480 701661960 760133790 810809376 838768320 848521440 912160548 935549280 1013511720 1122659136 1140200685 1216214064 1258152480 1351348960 1403323920 1520267580 1621618752 1697042880 1824321096 1871098560 2027023440 2280401370 2432428128 2516304960 2702697920 2806647840 3040535160 3648642192 4054046880 4560802740 4864856256 5613295680 6081070320 7297284384 8108093760 9121605480 12162140640 14594568768 18243210960 24324281280 36486421920 72972843840
• Sum of all divisors σ(n): 294027148800
• Sum of proper divisors (its aliquot sum) s(n): 221054304960
• 72972843840 is an abundant number, because the sum of its proper divisors (221054304960) is greater than itself. Its abundance is 148081461120

Bases of 72972843840

• Binary: 1000011111101100001010011101101000000₂
• Hexadecimal: 0x10FD853B40
• Base-36: XIU5AO0

Squares and roots of 72972843840

• 72972843840 squared (72972843840²) is 5325035938097025945600
• 72972843840 cubed (72972843840³) is 388583015953142181096697135104000
• The square root of 72972843840 is 270134.8623188055
• The cube root of 72972843840 is 4178.8208909919

Scales and comparisons

• 72,972,843,840 seconds is equal to 2,320 years, 16 weeks, 1 day, 2 hours, 24 minutes.
• To count from 1 to 72,972,843,840 would take you about four thousand, six hundred forty 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 72972843840 cubic inches would be around 348.2 feet tall.

Recreational maths with 72972843840

• 72972843840 backwards is 04834827927
• 72972843840 is a Harshad number.
• The number of decimal digits it has is: 11
• The sum of 72972843840's digits is 54
• More coming soon!