120021215990

Names of 120021215990

• Cardinal: 120021215990 can be written as One hundred twenty billion, twenty-one million, two hundred fifteen thousand, nine hundred ninety.

Scientific notation

• Scientific notation: 1.2002121599 × 10¹¹

Factors of 120021215990

• Number of distinct prime factors ω(n): 6
• Total number of prime factors Ω(n): 7
• Sum of prime factors: 3741

Divisors of 120021215990

• Number of divisors d(n): 96
• Complete list of divisors:
  1 2 5 10 13 26 65 130 137 151 169 274 302 338 685 755 845 1370 1510 1690 1781 1963 3433 3562 3926 6866 8905 9815 17165 17810 19630 20687 23153 25519 34330 41374 44629 46306 51038 89258 103435 115765 127595 206870 223145 231530 255190 268931 446290 470321 518383 537862 580177 940642 1036766 1160354 1344655 2351605 2591915 2689310 2900885 3496103 4703210 5183830 5801770 6114173 6738979 6992206 12228346 13477958 17480515 30570865 33694895 34961030 61141730 67389790 71018471 79484249 87606727 142036942 158968498 175213454 355092355 397421245 438033635 710184710 794842490 876067270 923240123 1846480246 4616200615 9232401230 12002121599 24004243198 60010607995 120021215990
• Sum of all divisors σ(n): 237272037696
• Sum of proper divisors (its aliquot sum) s(n): 117250821706
• 120021215990 is a deficient number, because the sum of its proper divisors (117250821706) is less than itself. Its deficiency is 2770394284

Bases of 120021215990

• Binary: 1101111110001110100100110101011110110₂
• Hexadecimal: 0x1BF1D26AF6
• Base-36: 1J4XJ6YE

Squares and roots of 120021215990

• 120021215990 squared (120021215990²) is 14405092287718231680100
• 120021215990 cubed (120021215990³) is 1728916692820113108738142684799000
• The square root of 120021215990 is 346440.7828042189
• The cube root of 120021215990 is 4932.7148155911

Scales and comparisons

• 120,021,215,990 seconds is equal to 3,816 years, 15 weeks, 5 days, 10 hours, 39 minutes, 50 seconds.
• To count from 1 to 120,021,215,990 would take you about seven thousand, six hundred thirty-two 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 120021215990 cubic inches would be around 411.1 feet tall.

Recreational maths with 120021215990

• 120021215990 backwards is 099512120021
• The number of decimal digits it has is: 12
• The sum of 120021215990's digits is 32
• More coming soon!