121642992640

Names of 121642992640

• Cardinal: 121642992640 can be written as One hundred twenty-one billion, six hundred forty-two million, nine hundred ninety-two thousand, six hundred forty.

Scientific notation

• Scientific notation: 1.2164299264 × 10¹¹

Factors of 121642992640

• Number of distinct prime factors ω(n): 5
• Total number of prime factors Ω(n): 14
• Sum of prime factors: 9494

Divisors of 121642992640

• Number of divisors d(n): 176
• Complete list of divisors:
  1 2 4 5 8 10 13 16 20 26 32 40 52 64 65 80 104 128 130 160 197 208 256 260 320 394 416 512 520 640 788 832 985 1024 1040 1280 1576 1664 1970 2080 2560 2561 3152 3328 3940 4160 5120 5122 6304 6656 7880 8320 9277 10244 12608 12805 13312 15760 16640 18554 20488 25216 25610 31520 33280 37108 40976 46385 50432 51220 63040 66560 74216 81952 92770 100864 102440 120601 126080 148432 163904 185540 201728 204880 241202 252160 296864 327808 371080 409760 482404 504320 593728 603005 655616 742160 819520 964808 1008640 1187456 1206010 1311232 1484320 1639040 1827569 1929616 2374912 2412020 2622464 2968640 3278080 3655138 3859232 4749824 4824040 5937280 6556160 7310276 7718464 9137845 9499648 9648080 11874560 13112320 14620552 15436928 18275690 19296160 23749120 23758397 29241104 30873856 36551380 38592320 47498240 47516794 58482208 61747712 73102760 77184640 95033588 116964416 118791985 123495424 146205520 154369280 190067176 233928832 237583970 292411040 308738560 380134352 467857664 475167940 584822080 617477120 760268704 935715328 950335880 1169644160 1520537408 1871430656 1900671760 2339288320 3041074816 3801343520 4678576640 6082149632 7602687040 9357153280 12164299264 15205374080 24328598528 30410748160 60821496320 121642992640
• Sum of all divisors σ(n): 315876041712
• Sum of proper divisors (its aliquot sum) s(n): 194233049072
• 121642992640 is an abundant number, because the sum of its proper divisors (194233049072) is greater than itself. Its abundance is 72590056432

Bases of 121642992640

• Binary: 1110001010010011111001100010000000000₂
• Hexadecimal: 0x1C527CC400
• Base-36: 1JVR3HTS

Squares and roots of 121642992640

• 121642992640 squared (121642992640²) is 14797017658415094169600
• 121642992640 cubed (121642992640³) is 1799953510116537334137559711744000
• The square root of 121642992640 is 348773.5549608083
• The cube root of 121642992640 is 4954.8331210431

Scales and comparisons

• 121,642,992,640 seconds is equal to 3,867 years, 45 weeks, 2 days, 10 minutes, 40 seconds.
• To count from 1 to 121,642,992,640 would take you about seven thousand, seven hundred thirty-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 121642992640 cubic inches would be around 412.9 feet tall.

Recreational maths with 121642992640

• 121642992640 backwards is 046299246121
• The number of decimal digits it has is: 12
• The sum of 121642992640's digits is 46
• More coming soon!