31864921128

Names of 31864921128

• Cardinal: 31864921128 can be written as Thirty-one billion, eight hundred sixty-four million, nine hundred twenty-one thousand, one hundred twenty-eight.

Scientific notation

• Scientific notation: 3.1864921128 × 10¹⁰

Factors of 31864921128

• Number of distinct prime factors ω(n): 5
• Total number of prime factors Ω(n): 11
• Sum of prime factors: 284

Divisors of 31864921128

• Number of divisors d(n): 240
• Complete list of divisors:
  1 2 3 4 6 8 9 12 18 19 24 27 36 38 54 57 72 76 79 81 108 114 152 158 162 171 181 216 228 237 316 324 342 362 456 474 513 543 632 648 684 711 724 948 1026 1086 1368 1422 1448 1501 1539 1629 1896 2052 2133 2172 2844 3002 3078 3258 3439 4104 4266 4344 4503 4887 5688 6004 6156 6399 6516 6878 8532 9006 9774 10317 12008 12312 12798 13032 13509 13756 14299 14661 17064 18012 19548 20634 25596 27018 27512 28598 29322 30951 32761 36024 39096 40527 41268 42897 51192 54036 57196 58644 61902 65522 81054 82536 85794 92853 98283 108072 114392 117288 121581 123804 128691 131044 162108 171588 185706 196566 243162 247608 257382 262088 271681 278559 294849 324216 343176 371412 386073 393132 486324 514764 543362 557118 589698 622459 742824 772146 786264 815043 884547 972648 1029528 1086724 1114236 1158219 1179396 1244918 1544292 1630086 1769094 1867377 2173448 2228472 2316438 2358792 2445129 2489836 2588119 2653641 3088584 3260172 3538188 3734754 4632876 4890258 4979672 5176238 5307282 5602131 6520344 7076376 7335387 7469508 7764357 9265752 9780516 10352476 10614564 11204262 14670774 14939016 15528714 16806393 19561032 20704952 21229128 22006161 22408524 23293071 29341548 31057428 33612786 44012322 44817048 46586142 49174261 50419179 58683096 62114856 67225572 69879213 88024644 93172284 98348522 100838358 134451144 139758426 147522783 176049288 186344568 196697044 201676716 209637639 279516852 295045566 393394088 403353432 419275278 442568349 559033704 590091132 838550556 885136698 1180182264 1327705047 1677101112 1770273396 2655410094 3540546792 3983115141 5310820188 7966230282 10621640376 15932460564 31864921128
• Sum of all divisors σ(n): 95666472000
• Sum of proper divisors (its aliquot sum) s(n): 63801550872
• 31864921128 is an abundant number, because the sum of its proper divisors (63801550872) is greater than itself. Its abundance is 31936629744

Bases of 31864921128

• Binary: 11101101011010011000001110000101000₂
• Hexadecimal: 0x76B4C1C28
• Base-36: EMZJUI0

Squares and roots of 31864921128

• 31864921128 squared (31864921128²) is 1015373198493660792384
• 31864921128 cubed (31864921128³) is 32354786885485589557302143089152
• The square root of 31864921128 is 178507.4819944531
• The cube root of 31864921128 is 3170.3286296977

Scales and comparisons

• 31,864,921,128 seconds is equal to 1,013 years, 10 weeks, 4 days, 22 hours, 58 minutes, 48 seconds.
• To count from 1 to 31,864,921,128 would take you about two thousand and twenty-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 31864921128 cubic inches would be around 264.2 feet tall.

Recreational maths with 31864921128

• 31864921128 backwards is 82112946813
• The number of decimal digits it has is: 11
• The sum of 31864921128's digits is 45
• More coming soon!