31153045920

Names of 31153045920

• Cardinal: 31153045920 can be written as Thirty-one billion, one hundred fifty-three million, forty-five thousand, nine hundred twenty.

Scientific notation

• Scientific notation: 3.115304592 × 10¹⁰

Factors of 31153045920

• Number of distinct prime factors ω(n): 5
• Total number of prime factors Ω(n): 9
• Sum of prime factors: 1509406

Divisors of 31153045920

• Number of divisors d(n): 96
• Complete list of divisors:
  1 2 3 4 5 6 8 10 12 15 16 20 24 30 32 40 43 48 60 80 86 96 120 129 160 172 215 240 258 344 430 480 516 645 688 860 1032 1290 1376 1720 2064 2580 3440 4128 5160 6880 10320 20640 1509353 3018706 4528059 6037412 7546765 9056118 12074824 15093530 18112236 22640295 24149648 30187060 36224472 45280590 48299296 60374120 64902179 72448944 90561180 120748240 129804358 144897888 181122360 194706537 241496480 259608716 324510895 362244720 389413074 519217432 649021790 724489440 778826148 973532685 1038434864 1298043580 1557652296 1947065370 2076869728 2596087160 3115304592 3894130740 5192174320 6230609184 7788261480 10384348640 15576522960 31153045920
• Sum of all divisors σ(n): 100414302912
• Sum of proper divisors (its aliquot sum) s(n): 69261256992
• 31153045920 is an abundant number, because the sum of its proper divisors (69261256992) is greater than itself. Its abundance is 38108211072

Bases of 31153045920

• Binary: 11101000000110111011100000110100000₂
• Hexadecimal: 0x740DDC1A0
• Base-36: EB7PW2O

Squares and roots of 31153045920

• 31153045920 squared (31153045920²) is 970512270093628646400
• 31153045920 cubed (31153045920³) is 30234413316150255920726642688000
• The square root of 31153045920 is 176502.2547164767
• The cube root of 31153045920 is 3146.5417971691

Scales and comparisons

• 31,153,045,920 seconds is equal to 990 years, 29 weeks, 4 days, 15 hours, 52 minutes.
• To count from 1 to 31,153,045,920 would take you about one thousand, nine hundred eighty-one 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 31153045920 cubic inches would be around 262.2 feet tall.

Recreational maths with 31153045920

• 31153045920 backwards is 02954035113
• The number of decimal digits it has is: 11
• The sum of 31153045920's digits is 33
• More coming soon!