121516612128

Names of 121516612128

• Cardinal: 121516612128 can be written as One hundred twenty-one billion, five hundred sixteen million, six hundred twelve thousand, one hundred twenty-eight.

Scientific notation

• Scientific notation: 1.21516612128 × 10¹¹

Factors of 121516612128

• Number of distinct prime factors ω(n): 4
• Total number of prime factors Ω(n): 13
• Sum of prime factors: 213

Divisors of 121516612128

• Number of divisors d(n): 270
• Complete list of divisors:
  1 2 3 4 6 8 9 12 16 18 24 27 32 36 41 48 54 72 81 82 96 108 123 144 162 164 167 216 246 288 324 328 334 369 432 492 501 648 656 668 738 864 984 1002 1107 1296 1312 1336 1476 1503 1681 1968 2004 2214 2592 2672 2952 3006 3321 3362 3936 4008 4428 4509 5043 5344 5904 6012 6642 6724 6847 8016 8856 9018 10086 11808 12024 13284 13448 13527 13694 15129 16032 17712 18036 20172 20541 24048 26568 26896 27054 27388 27889 30258 35424 36072 40344 41082 45387 48096 53136 53792 54108 54776 55778 60516 61623 72144 80688 82164 83667 90774 106272 108216 109552 111556 121032 123246 136161 144288 161376 164328 167334 181548 184869 216432 219104 223112 242064 246492 251001 272322 280727 328656 334668 363096 369738 432864 446224 484128 492984 502002 544644 554607 561454 657312 669336 726192 739476 753003 842181 892448 985968 1004004 1089288 1109214 1122908 1143449 1338672 1452384 1478952 1506006 1684362 1971936 2008008 2178576 2218428 2245816 2259009 2286898 2526543 2677344 2957904 3012012 3368724 3430347 4016016 4357152 4436856 4491632 4518018 4573796 5053086 5915808 6024024 6737448 6860694 7579629 8032032 8873712 8983264 9036036 9147592 10106172 10291041 12048048 13474896 13721388 15159258 17747424 18072072 18295184 20212344 20582082 22738887 24096096 26949792 27442776 30318516 30873123 36144144 36590368 40424688 41164164 45477774 46881409 54885552 60637032 61746246 72288288 80849376 82328328 90955548 92619369 93762818 109771104 121274064 123492492 140644227 164656656 181911096 185238738 187525636 242548128 246984984 281288454 329313312 363822192 370477476 375051272 421932681 493969968 562576908 727644384 740954952 750102544 843865362 987939936 1125153816 1265798043 1481909904 1500205088 1687730724 2250307632 2531596086 2963819808 3375461448 3797394129 4500615264 5063192172 6750922896 7594788258 10126384344 13501845792 15189576516 20252768688 30379153032 40505537376 60758306064 121516612128
• Sum of all divisors σ(n): 368512674453
• Sum of proper divisors (its aliquot sum) s(n): 246996062325
• 121516612128 is an abundant number, because the sum of its proper divisors (246996062325) is greater than itself. Its abundance is 125479450197

Bases of 121516612128

• Binary: 1110001001010111101000101101000100000₂
• Hexadecimal: 0x1C4AF45A20
• Base-36: 1JTNUQ00

Squares and roots of 121516612128

• 121516612128 squared (121516612128²) is 14766287023066796688384
• 121516612128 cubed (121516612128³) is 1794349172752727722217793411121152
• The square root of 121516612128 is 348592.3294164691
• The cube root of 121516612128 is 4953.1165916069

Scales and comparisons

• 121,516,612,128 seconds is equal to 3,863 years, 44 weeks, 2 days, 6 hours, 28 minutes, 48 seconds.
• To count from 1 to 121,516,612,128 would take you about seven thousand, seven hundred twenty-seven 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 121516612128 cubic inches would be around 412.8 feet tall.

Recreational maths with 121516612128

• 121516612128 backwards is 821216615121
• 121516612128 is a Harshad number.
• The number of decimal digits it has is: 12
• The sum of 121516612128's digits is 36
• More coming soon!