139404121402

Names of 139404121402

• Cardinal: 139404121402 can be written as One hundred thirty-nine billion, four hundred four million, one hundred twenty-one thousand, four hundred two.

Scientific notation

• Scientific notation: 1.39404121402 × 10¹¹

Factors of 139404121402

• Number of distinct prime factors ω(n): 7
• Total number of prime factors Ω(n): 8
• Sum of prime factors: 552

Divisors of 139404121402

• Number of divisors d(n): 192
• Complete list of divisors:
  1 2 7 13 14 26 31 41 62 82 91 151 169 182 217 287 302 307 338 403 434 533 574 614 806 1057 1066 1183 1271 1963 2114 2149 2366 2542 2821 3731 3926 3991 4298 4681 5239 5642 6191 6929 7462 7982 8897 9362 9517 10478 12382 12587 13741 13858 16523 17794 19034 25174 25519 27482 27937 32767 33046 36673 43337 46357 48503 51038 51883 55874 60853 65534 66619 73346 80483 86674 88109 92714 97006 103766 115661 121706 123721 133238 160966 163631 176218 178633 191921 214799 231322 247442 324499 327262 357266 363181 383842 390197 425971 429598 563381 602641 648998 726362 780394 791089 851942 866047 1046279 1126762 1145417 1205282 1343447 1437067 1503593 1582178 1608373 1732094 1900637 2092558 2127203 2290834 2494973 2686894 2731379 2874134 3007186 3216746 3801274 4218487 4254406 4989946 5072561 5462758 5537623 7323953 7834333 8436974 10059469 10145122 11075246 11258611 13304459 14647906 14890421 15668666 17464811 18681871 20118938 22517222 24708281 26608918 29780842 32434649 34929622 35507927 37363742 49416562 54840331 58919747 64869298 65943293 71015854 109680662 117839494 130773097 131886586 172957967 227042543 242864323 261546194 321207653 345915934 412438229 454085086 461603051 485728646 642415306 765956711 824876458 923206102 1531913422 1700050261 2248453571 3400100522 4496907142 5361696977 9957437243 10723393954 19914874486 69702060701 139404121402
• Sum of all divisors σ(n): 276347731968
• Sum of proper divisors (its aliquot sum) s(n): 136943610566
• 139404121402 is a deficient number, because the sum of its proper divisors (136943610566) is less than itself. Its deficiency is 2460510836

Bases of 139404121402

• Binary: 10000001110101001000100001010100111010₂
• Hexadecimal: 0x207522153A
• Base-36: 1S1HM4HM

Squares and roots of 139404121402

• 139404121402 squared (139404121402²) is 19433509063863554445604
• 139404121402 cubed (139404121402³) is 2709111256805702315098216821216808
• The square root of 139404121402 is 373368.6133059393
• The cube root of 139404121402 is 5185.1167297309

Scales and comparisons

• 139,404,121,402 seconds is equal to 4,432 years, 32 weeks, 1 day, 15 hours, 3 minutes, 22 seconds.
• To count from 1 to 139,404,121,402 would take you about eight thousand, eight hundred sixty-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 139404121402 cubic inches would be around 432.1 feet tall.

Recreational maths with 139404121402

• 139404121402 backwards is 204121404931
• 139404121402 is a Harshad number.
• The number of decimal digits it has is: 12
• The sum of 139404121402's digits is 31
• More coming soon!