31357557920

Names of 31357557920

• Cardinal: 31357557920 can be written as Thirty-one billion, three hundred fifty-seven million, five hundred fifty-seven thousand, nine hundred twenty.

Scientific notation

• Scientific notation: 3.135755792 × 10¹⁰

Factors of 31357557920

• Number of distinct prime factors ω(n): 5
• Total number of prime factors Ω(n): 10
• Sum of prime factors: 2174

Divisors of 31357557920

• Number of divisors d(n): 144
• Complete list of divisors:
  1 2 4 5 8 10 13 16 20 26 32 40 52 65 80 104 130 160 169 208 260 338 416 520 676 845 1040 1061 1093 1352 1690 2080 2122 2186 2704 3380 4244 4372 5305 5408 5465 6760 8488 8744 10610 10930 13520 13793 14209 16976 17488 21220 21860 27040 27586 28418 33952 34976 42440 43720 55172 56836 68965 71045 84880 87440 110344 113672 137930 142090 169760 174880 179309 184717 220688 227344 275860 284180 358618 369434 441376 454688 551720 568360 717236 738868 896545 923585 1103440 1136720 1159673 1434472 1477736 1793090 1847170 2206880 2273440 2319346 2868944 2955472 3586180 3694340 4638692 5737888 5798365 5910944 7172360 7388680 9277384 11596730 14344720 14777360 15075749 18554768 23193460 28689440 29554720 30151498 37109536 46386920 60302996 75378745 92773840 120605992 150757490 185547680 195984737 241211984 301514980 391969474 482423968 603029960 783938948 979923685 1206059920 1567877896 1959847370 2412119840 3135755792 3919694740 6271511584 7839389480 15678778960 31357557920
• Sum of all divisors σ(n): 80368290072
• Sum of proper divisors (its aliquot sum) s(n): 49010732152
• 31357557920 is an abundant number, because the sum of its proper divisors (49010732152) is greater than itself. Its abundance is 17653174232

Bases of 31357557920

• Binary: 11101001101000011100101110010100000₂
• Hexadecimal: 0x74D0E5CA0
• Base-36: EELHAJK

Squares and roots of 31357557920

• 31357557920 squared (31357557920²) is 983296438706154726400
• 31357557920 cubed (31357557920³) is 30833775029257976693569753088000
• The square root of 31357557920 is 177080.6537146281
• The cube root of 31357557920 is 3153.4122063487

Scales and comparisons

• 31,357,557,920 seconds is equal to 997 years, 3 weeks, 5 days, 16 hours, 45 minutes, 20 seconds.
• To count from 1 to 31,357,557,920 would take you about one thousand, nine hundred ninety-four 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 31357557920 cubic inches would be around 262.8 feet tall.

Recreational maths with 31357557920

• 31357557920 backwards is 02975575313
• The number of decimal digits it has is: 11
• The sum of 31357557920's digits is 47
• More coming soon!