31397545984

Names of 31397545984

• Cardinal: 31397545984 can be written as Thirty-one billion, three hundred ninety-seven million, five hundred forty-five thousand, nine hundred eighty-four.

Scientific notation

• Scientific notation: 3.1397545984 × 10¹⁰

Factors of 31397545984

• Number of distinct prime factors ω(n): 5
• Total number of prime factors Ω(n): 16
• Sum of prime factors: 136

Divisors of 31397545984

• Number of divisors d(n): 288
• Complete list of divisors:
  1 2 4 7 8 14 16 28 31 32 43 53 56 62 64 86 106 112 124 128 172 212 217 224 248 256 301 344 371 424 434 448 496 512 602 688 742 848 868 896 961 992 1024 1204 1333 1376 1484 1643 1696 1736 1792 1922 1984 2048 2279 2408 2666 2752 2968 3286 3392 3472 3584 3844 3968 4558 4816 5332 5504 5936 6572 6727 6784 6944 7168 7688 7936 9116 9331 9632 10664 11008 11501 11872 13144 13454 13568 13888 14336 15376 15872 15953 18232 18662 19264 21328 22016 23002 23744 26288 26908 27136 27776 30752 31744 31906 36464 37324 38528 41323 42656 44032 46004 47488 50933 52576 53816 54272 55552 61504 63488 63812 70649 72928 74648 77056 82646 85312 88064 92008 94976 101866 105152 107632 108544 111104 123008 127624 141298 145856 149296 154112 165292 170624 184016 189952 203732 210304 215264 222208 246016 255248 282596 289261 291712 298592 308224 330584 341248 356531 368032 379904 407464 420608 430528 444416 492032 494543 510496 565192 578522 583424 597184 616448 661168 682496 713062 736064 759808 814928 841216 861056 984064 989086 1020992 1130384 1157044 1166848 1194368 1322336 1364992 1426124 1472128 1629856 1682432 1722112 1968128 1978172 2041984 2190119 2260768 2314088 2333696 2388736 2644672 2729984 2852248 2944256 3259712 3364864 3444224 3956344 4083968 4380238 4521536 4628176 4667392 4777472 5289344 5704496 5888512 6519424 6888448 7912688 8167936 8760476 9043072 9256352 9554944 10578688 11408992 11777024 13038848 13776896 15330833 15825376 16335872 17520952 18086144 18512704 19109888 21157376 22817984 23554048 26077696 30661666 31650752 32671744 35041904 36172288 37025408 42314752 45635968 52155392 61323332 63301504 70083808 72344576 74050816 84629504 91271936 104310784 122646664 126603008 140167616 144689152 148101632 182543872 245293328 253206016 280335232 296203264 365087744 490586656 506412032 560670464 592406528 730175488 981173312 1012824064 1121340928 1962346624 2242681856 3924693248 4485363712 7849386496 15698772992 31397545984
• Sum of all divisors σ(n): 77292895680
• Sum of proper divisors (its aliquot sum) s(n): 45895349696
• 31397545984 is an abundant number, because the sum of its proper divisors (45895349696) is greater than itself. Its abundance is 14497803712

Bases of 31397545984

• Binary: 11101001111011100001000100000000000₂
• Hexadecimal: 0x74F708800
• Base-36: EF9ADJ4

Squares and roots of 31397545984

• 31397545984 squared (31397545984²) is 985805893817394528256
• 31397545984 cubed (31397545984³) is 30951885882429865999987747323904
• The square root of 31397545984 is 177193.5269246595
• The cube root of 31397545984 is 3154.7520777523

Scales and comparisons

• 31,397,545,984 seconds is equal to 998 years, 17 weeks, 6 days, 12 hours, 33 minutes, 4 seconds.
• To count from 1 to 31,397,545,984 would take you about one thousand, nine hundred ninety-six 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 31397545984 cubic inches would be around 262.9 feet tall.

Recreational maths with 31397545984

• 31397545984 backwards is 48954579313
• The number of decimal digits it has is: 11
• The sum of 31397545984's digits is 58
• More coming soon!