1021147255790389

Names of 1021147255790389

• Cardinal: 1021147255790389 can be written as One quadrillion, twenty-one trillion, one hundred forty-seven billion, two hundred fifty-five million, seven hundred ninety thousand, three hundred eighty-nine.

Scientific notation

• Scientific notation: 1.021147255790389 × 10¹⁵

Factors of 1021147255790389

• Number of distinct prime factors ω(n): 4
• Total number of prime factors Ω(n): 8
• Sum of prime factors: 1084

Divisors of 1021147255790389

• Number of divisors d(n): 64
• Complete list of divisors:
  1 7 13 67 91 169 469 871 997 1183 2197 6097 6979 11323 12961 15379 66799 79261 90727 147199 168493 467593 868387 994009 1030393 1179451 2190409 6078709 6958063 11289031 12922117 15332863 66598603 79023217 90454819 146757403 167987521 466190221 865781839 991026973 1027301821 1175912647 2183837773 6060472873 6937188811 11255163907 12883350649 15286864411 66398807191 78786147349 90183454543 146317130791 167483558437 464791650337 863184493483 1024219915537 1172384909059 2177286259681 6042291454381 11221398415279 15241003817767 78549788906953 145878179398627 1021147255790389
• Sum of all divisors σ(n): 1284390697945600
• Sum of proper divisors (its aliquot sum) s(n): 263243442155211
• 1021147255790389 is a deficient number, because the sum of its proper divisors (263243442155211) is less than itself. Its deficiency is 757903813635178

Bases of 1021147255790389

• Binary: 11101000001011101001011111011100011101101100110101₂
• Hexadecimal: 0x3A0BA5F71DB35
• Base-36: A1YSKMUUD1

Squares and roots of 1021147255790389

• 1021147255790389 squared (1021147255790389²) is 1042741718008242141089104771321
• 1021147255790389 cubed (1021147255790389³) is 1064792843842272113503278545295118304954633869
• The square root of 1021147255790389 is 31955394.7838293651
• The cube root of 1021147255790389 is 100699.9971332873

Scales and comparisons

• 1,021,147,255,790,389 seconds is equal to 32,469,324 years, 6 weeks, 1 day, 1 hour, 19 minutes, 49 seconds.
• To count from 1 to 1,021,147,255,790,389 would take you about ninety-seven million, four hundred seven thousand, nine hundred seventy-two 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 1021147255790389 cubic inches would be around 8391.7 feet tall.

Recreational maths with 1021147255790389

• 1021147255790389 backwards is 9830975527411201
• The number of decimal digits it has is: 16
• The sum of 1021147255790389's digits is 64
• More coming soon!