72745260522921

Names of 72745260522921

• Cardinal: 72745260522921 can be written as Seventy-two trillion, seven hundred forty-five billion, two hundred sixty million, five hundred twenty-two thousand, nine hundred twenty-one.

Scientific notation

• Scientific notation: 7.2745260522921 × 10¹³

Factors of 72745260522921

• Number of distinct prime factors ω(n): 5
• Total number of prime factors Ω(n): 12
• Sum of prime factors: 367

Divisors of 72745260522921

• Number of divisors d(n): 288
• Complete list of divisors:
  1 3 7 9 19 21 31 49 57 63 93 133 147 171 217 279 307 343 361 399 441 589 651 921 931 1029 1083 1197 1519 1767 1953 2149 2527 2763 2793 3087 3249 4123 4557 5301 5833 6447 6517 6859 7581 8379 9517 10633 11191 12369 13671 15043 17499 17689 19341 19551 20577 22743 28551 28861 31899 33573 37107 40831 45129 48013 52497 53067 58653 61731 66619 78337 85653 86583 95697 100719 105301 110827 122493 123823 130321 135387 144039 159201 180823 199857 202027 212629 235011 259749 285817 315903 332481 336091 367479 371469 390963 432117 466333 542469 548359 599571 606081 637887 705033 775789 857451 912247 947709 997443 1008273 1114407 1172889 1265761 1398999 1488403 1627407 1645077 1818243 1913661 2000719 2105713 2327367 2352637 2476099 2572353 2736741 3024819 3264331 3435637 3797283 3838513 4039951 4196997 4465209 4935231 5430523 6002157 6317139 6385729 6982101 7057911 7428297 8210223 8860327 9792993 10306911 10418821 11391849 11515539 12119853 13395627 14739991 16291569 17332693 18006471 18951417 19157187 21173733 22284891 24049459 26580981 28279657 29378979 30920733 31256463 34546617 36359559 38013661 40008547 44219973 44700103 48874707 51998079 57471561 62022289 65277103 72148377 72931747 76759069 79742943 84838971 93769389 103179937 114040983 120025641 121328851 132659919 134100309 155994237 168346213 186066867 195831309 197957599 216445131 218795241 230277207 254516913 280059829 309539811 342122949 360076923 363986553 402300927 456939721 505038639 537313483 558200601 587493927 593872797 656385723 690831621 722259559 760162393 840179487 849301957 928619433 1091959659 1178423491 1240264957 1370819163 1385703193 1515115917 1611940449 1781618391 1960418803 2166778677 2280487179 2520538461 2547905871 3198578047 3535270473 3720794871 3761194381 4112457489 4157109579 4835821347 5321136751 5881256409 6500336031 6841461537 7643717613 8681854699 9595734141 10605811419 11162384613 11283583143 12471328737 13722931621 15963410253 17643769227 22390046329 23565034183 26045564097 26328360667 28787202423 33850749429 37247957257 41168794863 47890230759 60772982893 67170138987 70695102549 78136692291 78985082001 111743871771 123506384589 164955239281 182318948679 201510416961 212085307647 236955246003 260735700799 335231615313 425410880251 494865717843 546956846037 782207102397 1154686674967 1276232640753 1484597153529 2346621307191 3464060024901 3828697922259 8082806724769 10392180074703 24248420174307 72745260522921
• Sum of all divisors σ(n): 133953211392000
• Sum of proper divisors (its aliquot sum) s(n): 61207950869079
• 72745260522921 is a deficient number, because the sum of its proper divisors (61207950869079) is less than itself. Its deficiency is 11537309653842

Bases of 72745260522921

• Binary: 10000100010100101010011011010011001110110101001₂
• Hexadecimal: 0x422953699DA9
• Base-36: PSAPLVZC9

Squares and roots of 72745260522921

• 72745260522921 squared (72745260522921²) is 5291872928547648482366372241
• 72745260522921 cubed (72745260522921³) is 384958674841391594907412055975833398635961
• The square root of 72745260522921 is 8529083.2170240313
• The cube root of 72745260522921 is 41744.7214855583

Scales and comparisons

• 72,745,260,522,921 seconds is equal to 2,313,074 years, 13 weeks, 6 days, 19 hours, 55 minutes, 21 seconds.
• To count from 1 to 72,745,260,522,921 would take you about five million, seven hundred eighty-two thousand, six hundred eighty-five 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 72745260522921 cubic inches would be around 3478.7 feet tall.

Recreational maths with 72745260522921

• 72745260522921 backwards is 12922506254727
• The number of decimal digits it has is: 14
• The sum of 72745260522921's digits is 54
• More coming soon!