31440314945

Names of 31440314945

• Cardinal: 31440314945 can be written as Thirty-one billion, four hundred forty million, three hundred fourteen thousand, nine hundred forty-five.

Scientific notation

• Scientific notation: 3.1440314945 × 10¹⁰

Factors of 31440314945

• Number of distinct prime factors ω(n): 6
• Total number of prime factors Ω(n): 6
• Sum of prime factors: 4062

Divisors of 31440314945

• Number of divisors d(n): 64
• Complete list of divisors:
  1 5 13 23 43 65 115 127 215 299 559 635 989 1495 1651 2795 2921 3851 4945 5461 8255 12857 14605 19255 27305 37973 50063 64285 70993 88573 125603 165593 189865 250315 354965 442865 489077 628015 827965 1151449 1632839 2152709 2445385 3808639 5757245 6358001 8164195 10763545 11248771 19043195 21030311 31790005 49512307 56243855 105151555 146234023 247561535 273394043 483697153 731170115 1366970215 2418485765 6288062989 31440314945
• Sum of all divisors σ(n): 43736039424
• Sum of proper divisors (its aliquot sum) s(n): 12295724479
• 31440314945 is a deficient number, because the sum of its proper divisors (12295724479) is less than itself. Its deficiency is 19144590466

Bases of 31440314945

• Binary: 11101010001111111010010001001000001₂
• Hexadecimal: 0x751FD2241
• Base-36: EFYR29T

Squares and roots of 31440314945

• 31440314945 squared (31440314945²) is 988493403840790353025
• 31440314945 cubed (31440314945³) is 31078543937809521336823733458625
• The square root of 31440314945 is 177314.1701754263
• The cube root of 31440314945 is 3156.1838695971

Scales and comparisons

• 31,440,314,945 seconds is equal to 999 years, 36 weeks, 4 days, 12 hours, 49 minutes, 5 seconds.
• To count from 1 to 31,440,314,945 would take you about one thousand, nine hundred ninety-nine 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 31440314945 cubic inches would be around 263 feet tall.

Recreational maths with 31440314945

• 31440314945 backwards is 54941304413
• The number of decimal digits it has is: 11
• The sum of 31440314945's digits is 38
• More coming soon!