121150309728

Names of 121150309728

• Cardinal: 121150309728 can be written as One hundred twenty-one billion, one hundred fifty million, three hundred nine thousand, seven hundred twenty-eight.

Scientific notation

• Scientific notation: 1.21150309728 × 10¹¹

Factors of 121150309728

• Number of distinct prime factors ω(n): 5
• Total number of prime factors Ω(n): 9
• Sum of prime factors: 48348

Divisors of 121150309728

• Number of divisors d(n): 96
• Complete list of divisors:
  1 2 3 4 6 7 8 12 14 16 21 24 28 32 42 48 56 84 96 112 168 224 336 672 4073 8146 12219 16292 24438 28511 32584 44263 48876 57022 65168 85533 88526 97752 114044 130336 132789 171066 177052 195504 228088 265578 309841 342132 354104 391008 456176 531156 619682 684264 708208 912352 929523 1062312 1239364 1368528 1416416 1859046 2124624 2478728 2737056 3718092 4249248 4957456 7436184 9914912 14872368 29744736 180283199 360566398 540849597 721132796 1081699194 1261982393 1442265592 2163398388 2523964786 2884531184 3785947179 4326796776 5047929572 5769062368 7571894358 8653593552 10095859144 15143788716 17307187104 20191718288 30287577432 40383436576 60575154864 121150309728
• Sum of all divisors σ(n): 363548376576
• Sum of proper divisors (its aliquot sum) s(n): 242398066848
• 121150309728 is an abundant number, because the sum of its proper divisors (242398066848) is greater than itself. Its abundance is 121247757120

Bases of 121150309728

• Binary: 1110000110101000111110000010101100000₂
• Hexadecimal: 0x1C351F0560
• Base-36: 1JNLRL9C

Squares and roots of 121150309728

• 121150309728 squared (121150309728²) is 14677397547190331433984
• 121150309728 cubed (121150309728³) is 1778171258843096149394135984996352
• The square root of 121150309728 is 348066.5306058597
• The cube root of 121150309728 is 4948.1346537927

Scales and comparisons

• 121,150,309,728 seconds is equal to 3,852 years, 10 weeks, 4 days, 15 hours, 48 minutes, 48 seconds.
• To count from 1 to 121,150,309,728 would take you about seven thousand, seven hundred four 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 121150309728 cubic inches would be around 412.3 feet tall.

Recreational maths with 121150309728

• 121150309728 backwards is 827903051121
• The number of decimal digits it has is: 12
• The sum of 121150309728's digits is 39
• More coming soon!