31159990455

Names of 31159990455

• Cardinal: 31159990455 can be written as Thirty-one billion, one hundred fifty-nine million, nine hundred ninety thousand, four hundred fifty-five.

Scientific notation

• Scientific notation: 3.1159990455 × 10¹⁰

Factors of 31159990455

• Number of distinct prime factors ω(n): 7
• Total number of prime factors Ω(n): 7
• Sum of prime factors: 1817

Divisors of 31159990455

• Number of divisors d(n): 128
• Complete list of divisors:
  1 3 5 11 15 17 33 51 55 71 85 97 165 187 213 255 291 355 485 561 781 935 1065 1067 1207 1455 1613 1649 2343 2805 3201 3621 3905 4839 4947 5335 6035 6887 8065 8245 11715 13277 16005 17743 18105 18139 20661 24195 24735 27421 34435 39831 53229 54417 66385 75757 82263 88715 90695 103305 114523 117079 137105 156461 199155 227271 266145 272085 301631 343569 351237 378785 411315 469383 572615 585395 782305 904893 1136355 1259753 1287869 1508155 1717845 1721071 1756185 1946891 2346915 2659837 3779259 3863607 4524465 5163213 5840673 6298765 6439345 7979511 8605355 9734455 11108731 13299185 18896295 19318035 21415801 25816065 29203365 29258207 33326193 39897555 55543655 64247403 87774621 107079005 122196041 146291035 166630965 188848427 321237015 366588123 438873105 566545281 610980205 944242135 1832940615 2077332697 2832726405 6231998091 10386663485 31159990455
• Sum of all divisors σ(n): 59037382656
• Sum of proper divisors (its aliquot sum) s(n): 27877392201
• 31159990455 is a deficient number, because the sum of its proper divisors (27877392201) is less than itself. Its deficiency is 3282598254

Bases of 31159990455

• Binary: 11101000001010001111011100010110111₂
• Hexadecimal: 0x74147B8B7
• Base-36: EBBUQIF

Squares and roots of 31159990455

• 31159990455 squared (31159990455²) is 970945005155691107025
• 31159990455 cubed (31159990455³) is 30254637092981260683827383446375
• The square root of 31159990455 is 176521.9262726305
• The cube root of 31159990455 is 3146.7755853967

Scales and comparisons

• 31,159,990,455 seconds is equal to 990 years, 41 weeks, 1 day, 54 minutes, 15 seconds.
• To count from 1 to 31,159,990,455 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 31159990455 cubic inches would be around 262.2 feet tall.

Recreational maths with 31159990455

• 31159990455 backwards is 55409995113
• 31159990455 is a Harshad number.
• The number of decimal digits it has is: 11
• The sum of 31159990455's digits is 51
• More coming soon!