121599139840

Names of 121599139840

• Cardinal: 121599139840 can be written as One hundred twenty-one billion, five hundred ninety-nine million, one hundred thirty-nine thousand, eight hundred forty.

Scientific notation

• Scientific notation: 1.2159913984 × 10¹¹

Factors of 121599139840

• Number of distinct prime factors ω(n): 3
• Total number of prime factors Ω(n): 16
• Sum of prime factors: 1730

Divisors of 121599139840

• Number of divisors d(n): 84
• Complete list of divisors:
  1 2 4 5 8 10 16 20 32 40 64 80 128 160 256 320 512 640 1024 1280 1723 2048 2560 3446 4096 5120 6892 8192 8615 10240 13784 17230 20480 27568 34460 40960 55136 68920 110272 137840 220544 275680 441088 551360 882176 1102720 1764352 2205440 2968729 3528704 4410880 5937458 7057408 8821760 11874916 14114816 14843645 17643520 23749832 29687290 35287040 47499664 59374580 70574080 94999328 118749160 189998656 237498320 379997312 474996640 759994624 949993280 1519989248 1899986560 3039978496 3799973120 6079956992 7599946240 12159913984 15199892480 24319827968 30399784960 60799569920 121599139840
• Sum of all divisors σ(n): 291989588994
• Sum of proper divisors (its aliquot sum) s(n): 170390449154
• 121599139840 is an abundant number, because the sum of its proper divisors (170390449154) is greater than itself. Its abundance is 48791309314

Bases of 121599139840

• Binary: 1110001001111110111111010000000000000₂
• Hexadecimal: 0x1C4FDFA000
• Base-36: 1JV0ZKSG

Squares and roots of 121599139840

• 121599139840 squared (121599139840²) is 14786350809827875225600
• 121599139840 cubed (121599139840³) is 1798007539847557045887805947904000
• The square root of 121599139840 is 348710.6821420875
• The cube root of 121599139840 is 4954.2376368947

Scales and comparisons

• 121,599,139,840 seconds is equal to 3,866 years, 24 weeks, 5 days, 10 hours, 50 minutes, 40 seconds.
• To count from 1 to 121,599,139,840 would take you about seven thousand, seven hundred thirty-two 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 121599139840 cubic inches would be around 412.9 feet tall.

Recreational maths with 121599139840

• 121599139840 backwards is 048931995121
• The number of decimal digits it has is: 12
• The sum of 121599139840's digits is 52
• More coming soon!