121994870784

Names of 121994870784

• Cardinal: 121994870784 can be written as One hundred twenty-one billion, nine hundred ninety-four million, eight hundred seventy thousand, seven hundred eighty-four.

Scientific notation

• Scientific notation: 1.21994870784 × 10¹¹

Factors of 121994870784

• Number of distinct prime factors ω(n): 3
• Total number of prime factors Ω(n): 20
• Sum of prime factors: 562

Divisors of 121994870784

• Number of divisors d(n): 108
• Complete list of divisors:
  1 2 3 4 6 8 12 16 24 32 48 64 96 128 192 256 384 512 557 768 1024 1114 1536 1671 2048 2228 3072 3342 4096 4456 6144 6684 8192 8912 12288 13368 16384 17824 24576 26736 32768 35648 49152 53472 65536 71296 98304 106944 131072 142592 196608 213888 285184 310249 393216 427776 570368 620498 855552 930747 1140736 1240996 1711104 1861494 2281472 2481992 3422208 3722988 4562944 4963984 6844416 7445976 9125888 9927968 13688832 14891952 18251776 19855936 27377664 29783904 36503552 39711872 54755328 59567808 73007104 79423744 109510656 119135616 158847488 219021312 238271232 317694976 476542464 635389952 953084928 1270779904 1906169856 2541559808 3812339712 5083119616 7624679424 10166239232 15249358848 20332478464 30498717696 40664956928 60997435392 121994870784
• Sum of all divisors σ(n): 325903517604
• Sum of proper divisors (its aliquot sum) s(n): 203908646820
• 121994870784 is an abundant number, because the sum of its proper divisors (203908646820) is greater than itself. Its abundance is 81913776036

Bases of 121994870784

• Binary: 1110001100111011101100000000000000000₂
• Hexadecimal: 0x1C67760000
• Base-36: 1K1KLGQO

Squares and roots of 121994870784

• 121994870784 squared (121994870784²) is 14882748497604856774656
• 121994870784 cubed (121994870784³) is 1815618979876074635714985726050304
• The square root of 121994870784 is 349277.6414029389
• The cube root of 121994870784 is 4959.6061567267

Scales and comparisons

• 121,994,870,784 seconds is equal to 3,879 years, 3 weeks, 16 hours, 6 minutes, 24 seconds.
• To count from 1 to 121,994,870,784 would take you about seven thousand, seven hundred fifty-eight 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 121994870784 cubic inches would be around 413.3 feet tall.

Recreational maths with 121994870784

• 121994870784 backwards is 487078499121
• The number of decimal digits it has is: 12
• The sum of 121994870784's digits is 60
• More coming soon!