121616928

Names of 121616928

• Cardinal: 121616928 can be written as One hundred twenty-one million, six hundred sixteen thousand, nine hundred twenty-eight.

Scientific notation

• Scientific notation: 1.21616928 × 10⁸

Factors of 121616928

• Number of distinct prime factors ω(n): 5
• Total number of prime factors Ω(n): 10
• Sum of prime factors: 256

Divisors of 121616928

• Number of divisors d(n): 144
• Complete list of divisors:
  1 2 3 4 6 8 9 12 16 18 24 32 36 37 48 72 74 96 101 111 113 144 148 202 222 226 288 296 303 333 339 404 444 452 592 606 666 678 808 888 904 909 1017 1184 1212 1332 1356 1616 1776 1808 1818 2034 2424 2664 2712 3232 3552 3616 3636 3737 4068 4181 4848 5328 5424 7272 7474 8136 8362 9696 10656 10848 11211 11413 12543 14544 14948 16272 16724 22422 22826 25086 29088 29896 32544 33448 33633 34239 37629 44844 45652 50172 59792 66896 67266 68478 75258 89688 91304 100344 102717 119584 133792 134532 136956 150516 179376 182608 200688 205434 269064 273912 301032 358752 365216 401376 410868 422281 538128 547824 602064 821736 844562 1076256 1095648 1204128 1266843 1643472 1689124 2533686 3286944 3378248 3800529 5067372 6756496 7601058 10134744 13512992 15202116 20269488 30404232 40538976 60808464 121616928
• Sum of all divisors σ(n): 361886616
• Sum of proper divisors (its aliquot sum) s(n): 240269688
• 121616928 is an abundant number, because the sum of its proper divisors (240269688) is greater than itself. Its abundance is 118652760

Bases of 121616928

• Binary: 111001111111011101000100000₂
• Hexadecimal: 0x73FBA20
• Base-36: 20EO80

Squares and roots of 121616928

• 121616928 squared (121616928²) is 14790677176157184
• 121616928 cubed (121616928³) is 1798796721203951563210752
• The square root of 121616928 is 11028.0065288339
• The cube root of 121616928 is 495.4479202407

Scales and comparisons

• 121,616,928 seconds is equal to 3 years, 45 weeks, 14 hours, 28 minutes, 48 seconds.
• To count from 1 to 121,616,928 would take you about 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 121616928 cubic inches would be around 41.3 feet tall.

Recreational maths with 121616928

• 121616928 backwards is 829616121
• 121616928 is a Harshad number.
• The number of decimal digits it has is: 9
• The sum of 121616928's digits is 36
• More coming soon!