121551875238214890

Names of 121551875238214890

• Cardinal: 121551875238214890 can be written as One hundred twenty-one quadrillion, five hundred fifty-one trillion, eight hundred seventy-five billion, two hundred thirty-eight million, two hundred fourteen thousand, eight hundred ninety.

Scientific notation

• Scientific notation: 1.2155187523821489 × 10¹⁷

Factors of 121551875238214890

• Number of distinct prime factors ω(n): 5
• Total number of prime factors Ω(n): 10
• Sum of prime factors: 1750026

Divisors of 121551875238214890

• Number of divisors d(n): 180
• 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 98 105 126 135 147 162 189 210 245 270 294 315 378 405 441 490 567 630 735 810 882 945 1134 1323 1470 1890 2205 2646 2835 3969 4410 5670 6615 7938 13230 19845 39690 1750009 3500018 5250027 8750045 10500054 12250063 15750081 17500090 24500126 26250135 31500162 36750189 47250243 52500270 61250315 73500378 78750405 85750441 94500486 110250567 122500630 141750729 157500810 171500882 183750945 220501134 236251215 257251323 283501458 330751701 367501890 428752205 472502430 514502646 551252835 661503402 708753645 771753969 857504410 992255103 1102505670 1286256615 1417507290 1543507938 1653758505 1984510206 2315261907 2572513230 3307517010 3858769845 4630523814 4961275515 6945785721 7717539690 9922551030 11576309535 13891571442 23152619070 34728928605 69457857210 3062531500081 6125063000162 9187594500243 15312657500405 18375189000486 21437720500567 27562783500729 30625315000810 42875441001134 45937972501215 55125567001458 64313161501701 82688350502187 91875945002430 107188602502835 128626323003402 137813917503645 150064043503969 165376701004374 192939484505103 214377205005670 248065051506561 275627835007290 300128087007938 321565807508505 385878969010206 413441752510935 450192130511907 496130103013122 578818453515309 643131615017010 750320217519845 826883505021870 900384261023814 964697422525515 1157636907030618 1240325257532805 1350576391535721 1500640435039690 1736455360545927 1929394845051030 2250960652559535 2480650515065610 2701152783071442 2894092267576545 3472910721091854 4051729174607163 4501921305119070 5788184535153090 6752881957678605 8103458349214326 8682276802729635 12155187523821489 13505763915357210 17364553605459270 20258645873035815 24310375047642978 40517291746071630 60775937619107445 121551875238214890
• Sum of all divisors σ(n): 380201252865797286
• Sum of proper divisors (its aliquot sum) s(n): 258649377627582396
• 121551875238214890 is an abundant number, because the sum of its proper divisors (258649377627582396) is greater than itself. Its abundance is 137097502389367506

Bases of 121551875238214890

• Binary: 110101111110101101100100101011001010110110011110011101010₂
• Hexadecimal: 0x1AFD6C9595B3CEA
• Base-36: X8UJKLOF0MI

Squares and roots of 121551875238214890

• 121551875238214890 squared (121551875238214890²) is 14774858373926558121583833817712100
• 121551875238214890 cubed (121551875238214890³) is 1795911741729815514285486881243013563852067953169000
• The square root of 121551875238214890 is 348642905.0449971369
• The cube root of 121551875238214890 is 495359.5663016131

Scales and comparisons

• 121,551,875,238,214,890 seconds is equal to 3,864,973,647 years, 48 weeks, 5 days, 17 hours, 1 minute, 30 seconds.
• To count from 1 to 121,551,875,238,214,890 would take you about eleven billion, five hundred ninety-four million, nine hundred twenty thousand, nine hundred forty-three 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 121551875238214890 cubic inches would be around 41280 feet tall.

Recreational maths with 121551875238214890

• 121551875238214890 backwards is 098412832578155121
• The number of decimal digits it has is: 18
• The sum of 121551875238214890's digits is 72
• More coming soon!