121915044128

Names of 121915044128

• Cardinal: 121915044128 can be written as One hundred twenty-one billion, nine hundred fifteen million, forty-four thousand, one hundred twenty-eight.

Scientific notation

• Scientific notation: 1.21915044128 × 10¹¹

Factors of 121915044128

• Number of distinct prime factors ω(n): 5
• Total number of prime factors Ω(n): 9
• Sum of prime factors: 8042

Divisors of 121915044128

• Number of divisors d(n): 96
• Complete list of divisors:
  1 2 4 8 16 17 32 34 68 136 163 179 272 326 358 544 652 716 1304 1432 2608 2771 2864 3043 5216 5542 5728 6086 7681 11084 12172 15362 22168 24344 29177 30724 44336 48688 58354 61448 88672 97376 116708 122896 130577 233416 245792 261154 466832 496009 522308 933664 992018 1044616 1252003 1374899 1984036 2089232 2504006 2749798 3968072 4178464 5008012 5499596 7936144 10016024 10999192 15872288 20032048 21284051 21998384 23373283 40064096 42568102 43996768 46746566 85136204 93493132 170272408 186986264 224108537 340544816 373972528 448217074 681089632 747945056 896434148 1792868296 3585736592 3809845129 7171473184 7619690258 15239380516 30478761032 60957522064 121915044128
• Sum of all divisors σ(n): 257160173760
• Sum of proper divisors (its aliquot sum) s(n): 135245129632
• 121915044128 is an abundant number, because the sum of its proper divisors (135245129632) is greater than itself. Its abundance is 13330085504

Bases of 121915044128

• Binary: 1110001100010101100111111000100100000₂
• Hexadecimal: 0x1C62B3F120
• Base-36: 1K092I3K

Squares and roots of 121915044128

• 121915044128 squared (121915044128²) is 14863277984732187280384
• 121915044128 cubed (121915044128³) is 1812057191395355522549975668785152
• The square root of 121915044128 is 349163.3487753261
• The cube root of 121915044128 is 4958.5241572487

Scales and comparisons

• 121,915,044,128 seconds is equal to 3,876 years, 27 weeks, 18 hours, 2 minutes, 8 seconds.
• To count from 1 to 121,915,044,128 would take you about seven thousand, seven hundred fifty-three 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 121915044128 cubic inches would be around 413.2 feet tall.

Recreational maths with 121915044128

• 121915044128 backwards is 821440519121
• The number of decimal digits it has is: 12
• The sum of 121915044128's digits is 38
• More coming soon!