31391929971920
31,391,929,971,920 is an even composite number composed of seven prime numbers multiplied together.
What does the number 31391929971920 look like?
This visualization shows the relationship between its 7 prime factors (large circles) and 480 divisors.
31391929971920 is an even composite number. It is composed of seven distinct prime numbers multiplied together. It has a total of four hundred eighty divisors.
Prime factorization of 31391929971920:
24 × 5 × 72 × 31 × 127 × 1093 × 1861
(2 × 2 × 2 × 2 × 5 × 7 × 7 × 31 × 127 × 1093 × 1861)See below for interesting mathematical facts about the number 31391929971920 from the Numbermatics database.
Names of 31391929971920
- Cardinal: 31391929971920 can be written as Thirty-one trillion, three hundred ninety-one billion, nine hundred twenty-nine million, nine hundred seventy-one thousand, nine hundred twenty.
Scientific notation
- Scientific notation: 3.139192997192 × 1013
Factors of 31391929971920
Divisors of 31391929971920
- Number of divisors d(n): 480
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Complete list of divisors:
1 2 4 5 7 8 10 14 16 20 28 31 35 40 49 56 62 70 80 98 112 124 127 140 155 196 217 245 248 254 280 310 392 434 490 496 508 560 620 635 784 868 889 980 1016 1085 1093 1240 1270 1519 1736 1778 1861 1960 2032 2170 2186 2480 2540 3038 3472 3556 3722 3920 3937 4340 4372 4445 5080 5465 6076 6223 7112 7444 7595 7651 7874 8680 8744 8890 9305 10160 10930 12152 12446 13027 14224 14888 15190 15302 15748 17360 17488 17780 18610 19685 21860 24304 24892 26054 27559 29776 30380 30604 31115 31496 33883 35560 37220 38255 39370 43720 49784 52108 53557 55118 57691 60760 61208 62230 62992 65135 67766 71120 74440 76510 78740 87440 91189 99568 104216 107114 110236 115382 121520 122416 124460 130270 135532 137795 138811 148880 153020 157480 169415 182378 192913 208432 214228 220472 230764 236347 237181 248920 260540 267785 271064 275590 277622 288455 306040 314960 338830 364756 385826 403837 428456 440944 455945 461528 472694 474362 497840 521080 535570 542128 551180 555244 576910 612080 677660 694055 729512 771652 807674 856912 911890 923056 945388 948724 964565 971677 1042160 1071140 1102360 1110488 1153820 1181735 1185905 1355320 1388110 1459024 1543304 1615348 1654429 1660267 1823780 1890776 1897448 1929130 1943354 2019185 2034073 2142280 2204720 2220976 2307640 2363470 2371810 2710640 2776220 2826859 3086608 3230696 3308858 3320534 3647560 3781552 3794896 3858260 3886708 4038370 4068146 4284560 4303141 4615280 4726940 4743620 4858385 5552440 5653718 6461392 6617716 6641068 6801739 7295120 7326757 7716520 7773416 8076740 8136292 8272145 8301335 8606282 9453880 9487240 9716770 10170365 11104880 11307436 11581003 13235432 13282136 13603478 14134295 14238511 14653514 15433040 15546832 16153480 16272584 16544290 16602670 17212564 18907760 18974480 19433540 20340730 21515705 22614872 23162006 26470864 26564272 27206956 28268590 28477022 29307028 30121987 32306960 32545168 33088580 33205340 34008695 34425128 36633785 38867080 40681460 43031410 45229744 46324012 51287299 54413912 56537180 56954044 57905015 58614056 60243974 63056263 66177160 66410680 68017390 68850256 71192555 73267570 77734160 81362920 86062820 92648024 99669577 102574598 108827824 113074360 113908088 115810030 117228112 120487948 126112526 132354320 132821360 136034780 142385110 146535140 150609935 162725840 172125640 185296048 199339154 205149196 210853909 226148720 227816176 231620060 240975896 252225052 256436495 258327271 272069560 284770220 293070280 301219870 315281315 344251280 359011093 398678308 410298392 421707818 441393841 463240120 481951792 498347885 504450104 512872990 516654542 544139120 569540440 586140560 602439740 630562630 718022186 797356616 820596784 843415636 882787682 926480240 996695770 1008900208 1025745980 1033309084 1054269545 1139080880 1204879480 1261125260 1291636355 1436044372 1594713232 1686831272 1765575364 1795055465 1808290897 1993391540 2051491960 2066618168 2108539090 2206969205 2409758960 2522250520 2583272710 2872088744 3089756887 3373662544 3531150728 3590110930 3616581794 3986783080 4102983920 4133236336 4217078180 4413938410 5044501040 5166545420 5744177488 6179513774 7062301456 7180221860 7233163588 7973566160 8008145401 8434156360 8827876820 9041454485 10333090840 12359027548 12658036279 14360443720 14466327176 15448784435 16016290802 16868312720 17655753640 18082908970 20666181680 24718055096 25316072558 28720887440 28932654352 30897568870 32032581604 35311507280 36165817940 40040727005 49436110192 50632145116 56057017807 61795137740 63290181395 64065163208 72331635880 80081454010 101264290232 112114035614 123590275480 126580362790 128130326416 144663271760 160162908020 202528580464 224228071228 247180550960 253160725580 280285089035 320325816040 392399124649 448456142456 506321451160 560570178070 640651632080 784798249298 896912284912 1012642902320 1121140356140 1569596498596 1961995623245 2242280712280 3139192997192 3923991246490 4484561424560 6278385994384 7847982492980 15695964985960 31391929971920
- Sum of all divisors σ(n): 88459554226176
- Sum of proper divisors (its aliquot sum) s(n): 57067624254256
- 31391929971920 is an abundant number, because the sum of its proper divisors (57067624254256) is greater than itself. Its abundance is 25675694282336
Bases of 31391929971920
- Binary: 1110010001101000000001101010110110100110100002
- Hexadecimal: 0x1C8D00D5B4D0
- Base-36: B4L94L87K
Squares and roots of 31391929971920
- 31391929971920 squared (313919299719202) is 985453267361929211988486400
- 31391929971920 cubed (313919299719203) is 30935279959625438740174753602115301888000
-
The
square root of 31391929971920 is 5602850.1650427885 -
The
cube root of 31391929971920 is 31545.6397194477
Scales and comparisons
How big is 31391929971920?- 31,391,929,971,920 seconds is equal to 998,166 years, 14 weeks, 19 hours, 45 minutes, 20 seconds.
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To count from 1 to 31,391,929,971,920 would take you about two million, four hundred ninety-five thousand, four hundred fifteen 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 31391929971920 cubic inches would be around 2628.8 feet tall.
Recreational maths with 31391929971920
- 31391929971920 backwards is 02917992919313
- The number of decimal digits it has is: 14
- The sum of 31391929971920's digits is 65
- More coming soon!
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