121988256

Names of 121988256

• Cardinal: 121988256 can be written as One hundred twenty-one million, nine hundred eighty-eight thousand, two hundred fifty-six.

Scientific notation

• Scientific notation: 1.21988256 × 10⁸

Factors of 121988256

• Number of distinct prime factors ω(n): 5
• Total number of prime factors Ω(n): 10
• Sum of prime factors: 194

Divisors of 121988256

• Number of divisors d(n): 144
• Complete list of divisors:
  1 2 3 4 6 8 12 13 16 24 26 32 39 48 52 73 78 96 103 104 146 156 169 206 208 219 292 309 312 338 412 416 438 507 584 618 624 676 824 876 949 1014 1168 1236 1248 1339 1352 1648 1752 1898 2028 2336 2472 2678 2704 2847 3296 3504 3796 4017 4056 4944 5356 5408 5694 7008 7519 7592 8034 8112 9888 10712 11388 12337 15038 15184 16068 16224 17407 21424 22557 22776 24674 30076 30368 32136 34814 37011 42848 45114 45552 49348 52221 60152 64272 69628 74022 90228 91104 97747 98696 104442 120304 128544 139256 148044 180456 195494 197392 208884 240608 278512 293241 296088 360912 390988 394784 417768 557024 586482 592176 721824 781976 835536 1172964 1184352 1270711 1563952 1671072 2345928 2541422 3127904 3812133 4691856 5082844 7624266 9383712 10165688 15248532 20331376 30497064 40662752 60994128 121988256
• Sum of all divisors σ(n): 354908736
• Sum of proper divisors (its aliquot sum) s(n): 232920480
• 121988256 is an abundant number, because the sum of its proper divisors (232920480) is greater than itself. Its abundance is 110932224

Bases of 121988256

• Binary: 111010001010110010010100000₂
• Hexadecimal: 0x74564A0
• Base-36: 20MMQO

Squares and roots of 121988256

• 121988256 squared (121988256²) is 14881134601921536
• 121988256 cubed (121988256³) is 1815323657389662425481216
• The square root of 121988256 is 11044.8293784921
• The cube root of 121988256 is 495.9516515481

Scales and comparisons

• 121,988,256 seconds is equal to 3 years, 45 weeks, 4 days, 21 hours, 37 minutes, 36 seconds.
• To count from 1 to 121,988,256 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 121988256 cubic inches would be around 41.3 feet tall.

Recreational maths with 121988256

• 121988256 backwards is 652889121
• The number of decimal digits it has is: 9
• The sum of 121988256's digits is 42
• More coming soon!