31125974737221

Names of 31125974737221

• Cardinal: 31125974737221 can be written as Thirty-one trillion, one hundred twenty-five billion, nine hundred seventy-four million, seven hundred thirty-seven thousand, two hundred twenty-one.

Scientific notation

• Scientific notation: 3.1125974737221 × 10¹³

Factors of 31125974737221

• Number of distinct prime factors ω(n): 5
• Total number of prime factors Ω(n): 9
• Sum of prime factors: 189131

Divisors of 31125974737221

• Number of divisors d(n): 162
• Complete list of divisors:
  1 3 7 9 13 21 39 47 49 63 91 117 141 147 169 273 329 423 441 507 611 637 819 987 1183 1521 1833 1911 2209 2303 2961 3549 4277 5499 5733 6627 6909 7943 8281 10647 12831 15463 19881 20727 23829 24843 28717 29939 38493 46389 55601 71487 74529 86151 89817 108241 139167 166803 189061 201019 258453 269451 324723 373321 389207 500409 567183 603057 974169 1119963 1167621 1323427 1407133 1701549 1809171 2457793 2613247 3359889 3502863 3970281 4221399 7373379 7839741 8885867 9263989 11910843 12664197 17204551 18292729 22120137 23519223 26657601 27791967 31951309 51613653 54878187 62201069 79972803 83375901 95853927 115516271 120431857 154840959 164634561 186603207 223659163 287561781 346548813 361295571 417635749 435407483 559809621 670977489 808613897 1039646439 1083886713 1252907247 1306222449 1501711523 1565614141 2012932467 2425841691 2923450243 3758721741 3918667347 4505134569 4696842423 5429264737 5660297279 7277525073 8770350729 10511980661 13515403707 14090527269 16287794211 16980891837 20464151701 26311052187 31535941983 38004853159 48863382633 50942675511 61392455103 70580441581 73583864627 94607825949 114014559477 184177365309 211741324743 220751593881 266033972113 342043678431 494063091067 635223974229 662254781643 798101916339 1482189273201 2394305749017 3458441637469 4446567819603 10375324912407 31125974737221
• Sum of all divisors σ(n): 57863553989202
• Sum of proper divisors (its aliquot sum) s(n): 26737579251981
• 31125974737221 is a deficient number, because the sum of its proper divisors (26737579251981) is less than itself. Its deficiency is 4388395485240

Bases of 31125974737221

• Binary: 111000100111100010100101010101110000101000101₂
• Hexadecimal: 0x1C4F14AAE145
• Base-36: B172PPJR9

Squares and roots of 31125974737221

• 31125974737221 squared (31125974737221²) is 968826303342119900002802841
• 31125974737221 cubed (31125974737221³) is 30155663042582033288550815956058447244861
• The square root of 31125974737221 is 5579065.7584600129
• The cube root of 31125974737221 is 31456.3011217697

Scales and comparisons

• 31,125,974,737,221 seconds is equal to 989,709 years, 37 weeks, 2 days, 5 hours, 40 minutes, 21 seconds.
• To count from 1 to 31,125,974,737,221 would take you about two million, four hundred seventy-four thousand, two hundred seventy-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 31125974737221 cubic inches would be around 2621.4 feet tall.

Recreational maths with 31125974737221

• 31125974737221 backwards is 12273747952113
• The number of decimal digits it has is: 14
• The sum of 31125974737221's digits is 54
• More coming soon!