13287991947165

Names of 13287991947165

• Cardinal: 13287991947165 can be written as Thirteen trillion, two hundred eighty-seven billion, nine hundred ninety-one million, nine hundred forty-seven thousand, one hundred sixty-five.

Scientific notation

• Scientific notation: 1.3287991947165 × 10¹³

Factors of 13287991947165

• Number of distinct prime factors ω(n): 5
• Total number of prime factors Ω(n): 11
• Sum of prime factors: 165

Divisors of 13287991947165

• Number of divisors d(n): 256
• Complete list of divisors:
  1 3 5 9 13 15 27 39 41 45 65 103 117 123 135 169 195 205 309 351 369 507 515 533 585 615 845 927 1107 1339 1521 1545 1599 1755 1845 2197 2535 2665 2781 4017 4223 4563 4635 4797 5535 6591 6695 6929 7605 7995 10609 10985 12051 12669 13905 14391 17407 19773 20085 20787 21115 22815 23985 31827 32955 34645 36153 38007 52221 53045 54899 59319 60255 62361 63345 71955 87035 90077 95481 98865 103935 114021 137917 156663 159135 164697 180765 187083 190035 226291 261105 270231 274495 286443 296595 311805 413751 434969 450385 469989 477405 494091 570105 678873 689585 713687 783315 810693 823485 935415 1092727 1131455 1241253 1304907 1351155 1432215 1482273 1792921 2036619 2068755 2141061 2174845 2349945 2432079 2470455 3278181 3394365 3568435 3723759 3914721 4053465 5378763 5463635 5654597 6109857 6206265 6423183 6524535 7411365 8964605 9277931 9834543 10183095 10705305 11744163 12160395 14205451 16136289 16390905 16963791 18618795 19269549 19573605 23307973 26893815 27833793 28272985 29503629 30549285 32115915 42616353 44801807 46389655 48408867 49172715 50891373 58720815 69923919 71027255 73509761 80681445 83501379 84818955 96347745 116539865 127849059 134405421 139168965 147518145 152674119 184670863 209771757 213081765 220529283 224009035 242044335 250504137 254456865 349619595 367548805 383547177 403216263 417506895 554012589 582423491 629315271 639245295 661587849 672027105 763370595 923354315 955626893 1048858785 1102646415 1209648789 1252520685 1662037767 1747270473 1917735885 1984763547 2016081315 2400721219 2770062945 2866880679 2912117455 3146576355 3307939245 4778134465 4986113301 5241811419 6048243945 7202163657 7571505383 8310188835 8600642037 8736352365 9923817735 12003606095 14334403395 15725434257 21606490971 22714516149 24930566505 25801926111 26209057095 36010818285 37857526915 43003210185 64819472913 68143548447 78627171285 98429569979 108032454855 113572580745 129009630555 204430645341 295288709937 324097364565 340717742235 492147849895 885866129811 1022153226705 1476443549685 2657598389433 4429330649055 13287991947165
• Sum of all divisors σ(n): 26471966976000
• Sum of proper divisors (its aliquot sum) s(n): 13183975028835
• 13287991947165 is a deficient number, because the sum of its proper divisors (13183975028835) is less than itself. Its deficiency is 104016918330

Bases of 13287991947165

• Binary: 11000001010111011010000010100010111110011101₂
• Hexadecimal: 0xC15DA0A2F9D
• Base-36: 4PKF3BI59

Squares and roots of 13287991947165

• 13287991947165 squared (13287991947165²) is 176570729987921888151537225
• 13287991947165 cubed (13287991947165³) is 2346270438184551627470668473015730717125
• The square root of 13287991947165 is 3645269.8044404067
• The cube root of 13287991947165 is 23685.7124250609

Scales and comparisons

• 13,287,991,947,165 seconds is equal to 422,517 years, 2 weeks, 1 day, 2 hours, 12 minutes, 45 seconds.
• To count from 1 to 13,287,991,947,165 would take you about one million, fifty-six thousand, two hundred ninety-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 13287991947165 cubic inches would be around 1973.8 feet tall.

Recreational maths with 13287991947165

• 13287991947165 backwards is 56174919978231
• The number of decimal digits it has is: 14
• The sum of 13287991947165's digits is 72
• More coming soon!