121278137948

Names of 121278137948

• Cardinal: 121278137948 can be written as One hundred twenty-one billion, two hundred seventy-eight million, one hundred thirty-seven thousand, nine hundred forty-eight.

Scientific notation

• Scientific notation: 1.21278137948 × 10¹¹

Factors of 121278137948

• Number of distinct prime factors ω(n): 6
• Total number of prime factors Ω(n): 7
• Sum of prime factors: 3529

Divisors of 121278137948

• Number of divisors d(n): 96
• Complete list of divisors:
  1 2 4 11 19 22 38 44 71 76 142 209 284 418 769 781 836 1349 1538 1562 2657 2698 3076 3124 5314 5396 8459 10628 14611 14839 16918 29222 29227 29678 33836 50483 54599 58444 58454 59356 100966 109198 116908 160721 188647 201932 218396 321442 377294 555313 600589 642884 754588 1037381 1110626 1201178 2043233 2074762 2075117 2221252 2402356 3584293 4086466 4149524 4150234 7168586 8172932 8300468 11411191 14337172 22475563 22822382 38821427 39427223 44951126 45644764 77642854 78854446 89902252 145069543 155285708 157708892 290139086 427035697 580278172 854071394 1595764973 1708142788 2756321317 3191529946 5512642634 6383059892 11025285268 30319534487 60639068974 121278137948
• Sum of all divisors σ(n): 247563993600
• Sum of proper divisors (its aliquot sum) s(n): 126285855652
• 121278137948 is an abundant number, because the sum of its proper divisors (126285855652) is greater than itself. Its abundance is 5007717704

Bases of 121278137948

• Binary: 1110000111100101111011000011001011100₂
• Hexadecimal: 0x1C3CBD865C
• Base-36: 1JPPVE58

Squares and roots of 121278137948

• 121278137948 squared (121278137948²) is 14708386744134117650704
• 121278137948 cubed (121278137948³) is 1783805756547632100255341391315392
• The square root of 121278137948 is 348250.1083244627
• The cube root of 121278137948 is 4949.8743354555

Scales and comparisons

• 121,278,137,948 seconds is equal to 3,856 years, 14 weeks, 3 hours, 39 minutes, 8 seconds.
• To count from 1 to 121,278,137,948 would take you about seven thousand, seven hundred twelve 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 121278137948 cubic inches would be around 412.5 feet tall.

Recreational maths with 121278137948

• 121278137948 backwards is 849731872121
• The number of decimal digits it has is: 12
• The sum of 121278137948's digits is 53
• More coming soon!