129439449090

Names of 129439449090

• Cardinal: 129439449090 can be written as One hundred twenty-nine billion, four hundred thirty-nine million, four hundred forty-nine thousand and ninety.

Scientific notation

• Scientific notation: 1.2943944909 × 10¹¹

Factors of 129439449090

• Number of distinct prime factors ω(n): 6
• Total number of prime factors Ω(n): 11
• Sum of prime factors: 3865

Divisors of 129439449090

• Number of divisors d(n): 288
• Complete list of divisors:
  1 2 3 5 6 7 9 10 14 15 18 21 27 30 35 42 45 49 54 63 70 81 90 98 105 126 135 147 162 189 210 243 245 270 294 307 315 378 405 441 486 490 567 614 630 735 810 882 921 945 1134 1215 1323 1470 1535 1701 1842 1890 2149 2205 2430 2646 2763 2835 3070 3402 3541 3969 4298 4410 4605 5526 5670 6447 6615 7082 7938 8289 8505 9210 10623 10745 11907 12894 13230 13815 15043 16578 17010 17705 19341 19845 21246 21490 23814 24787 24867 27630 30086 31869 32235 35410 38682 39690 41445 45129 49574 49734 53115 58023 59535 63738 64470 74361 74601 75215 82890 90258 95607 96705 106230 116046 119070 123935 124335 135387 148722 149202 150430 159345 173509 174069 191214 193410 223083 225645 247870 248670 270774 286821 290115 318690 347018 348138 371805 373005 406161 446166 451290 478035 520527 522207 573642 580230 669249 676935 743610 746010 812322 860463 867545 870345 956070 1041054 1044414 1087087 1115415 1218483 1338498 1353870 1434105 1561581 1720926 1735090 1740690 2007747 2030805 2174174 2230830 2436966 2602635 2611035 2868210 3123162 3261261 3346245 3655449 4015494 4061610 4302315 4684743 5205270 5222070 5435435 6023241 6092415 6522522 6692490 7310898 7609609 7807905 8604630 9369486 9783783 10038735 10870870 12046482 12184830 14054229 15219218 15615810 16306305 18277245 19567566 20077470 22828827 23423715 28108458 29351349 30116205 32612610 36554490 38048045 42162687 45657654 46847430 48918915 53267263 58702698 60232410 68486481 70271145 76096090 84325374 88054047 97837830 106534526 114144135 136972962 140542290 146756745 159801789 176108094 205459443 210813435 228288270 264162141 266336315 293513490 319603578 342432405 410918886 421626870 440270235 479405367 528324282 532672630 616378329 684864810 799008945 880540470 958810734 1027297215 1232756658 1320810705 1438216101 1598017890 1849134987 2054594430 2397026835 2641621410 2876432202 3081891645 3698269974 4314648303 4794053670 6163783290 7191080505 8629296606 9245674935 12943944909 14382161010 18491349870 21573241515 25887889818 43146483030 64719724545 129439449090
• Sum of all divisors σ(n): 407425322304
• Sum of proper divisors (its aliquot sum) s(n): 277985873214
• 129439449090 is an abundant number, because the sum of its proper divisors (277985873214) is greater than itself. Its abundance is 148546424124

Bases of 129439449090

• Binary: 1111000100011001100010100000000000010₂
• Hexadecimal: 0x1E23314002
• Base-36: 1NGOWM4I

Squares and roots of 129439449090

• 129439449090 squared (129439449090²) is 16754570980722701828100
• 129439449090 cubed (129439449090³) is 2168702437484047534685599881429000
• The square root of 129439449090 is 359776.9435219551
• The cube root of 129439449090 is 5058.5054078875

Scales and comparisons

• 129,439,449,090 seconds is equal to 4,115 years, 40 weeks, 1 day, 18 hours, 31 minutes, 30 seconds.
• To count from 1 to 129,439,449,090 would take you about eight thousand, two hundred thirty-one 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 129439449090 cubic inches would be around 421.5 feet tall.

Recreational maths with 129439449090

• 129439449090 backwards is 090944934921
• 129439449090 is a Harshad number.
• The number of decimal digits it has is: 12
• The sum of 129439449090's digits is 54
• More coming soon!