3990621891165

Names of 3990621891165

• Cardinal: 3990621891165 can be written as Three trillion, nine hundred ninety billion, six hundred twenty-one million, eight hundred ninety-one thousand, one hundred sixty-five.

Scientific notation

• Scientific notation: 3.990621891165 × 10¹²

Factors of 3990621891165

• Number of distinct prime factors ω(n): 5
• Total number of prime factors Ω(n): 11
• Sum of prime factors: 2117

Divisors of 3990621891165

• Number of divisors d(n): 192
• Complete list of divisors:
  1 3 5 7 13 15 21 35 39 49 65 91 105 147 169 195 245 273 343 455 507 637 735 845 1029 1183 1365 1715 1911 2089 2197 2535 3185 3549 4459 5145 5915 6267 6591 8281 9555 10445 10985 13377 14623 15379 17745 22295 24843 27157 28561 31335 32955 41405 43869 46137 57967 66885 73115 76895 81471 85683 102361 107653 124215 135785 142805 173901 190099 199927 219345 230685 289835 307083 322959 353041 371293 407355 428415 511805 538265 570297 599781 716527 753571 869505 950495 999635 1059123 1113879 1330693 1399489 1535415 1614795 1765205 1856465 2149581 2260713 2471287 2599051 2851485 2998905 3582635 3767855 3992079 4198467 4589533 5295615 5569395 6653465 6997445 7413861 7797153 9314851 9796423 10747905 11303565 12356435 12995255 13768599 17299009 18193357 19960395 20992335 22947665 27944553 29389269 32126731 37069305 38985765 46574255 48982115 51897027 54580071 59663929 68842995 86495045 90966785 96380193 121093063 127353499 139722765 146946345 160633655 178991787 224887117 259485135 272900355 298319645 363279189 382060497 417647503 481900965 605465315 636767495 674661351 775631077 894958935 1124435585 1252942509 1574209819 1816395945 1910302485 2088237515 2326893231 2923532521 3373306755 3878155385 4722629457 5429417539 6264712545 7871049095 8770597563 11634466155 14617662605 16288252617 20464727647 23613147285 27147087695 38005922773 43852987815 61394182941 81441263085 102323638235 114017768319 190029613865 266041459411 306970914705 570088841595 798124378233 1330207297055 3990621891165
• Sum of all divisors σ(n): 8070422976000
• Sum of proper divisors (its aliquot sum) s(n): 4079801084835
• 3990621891165 is an abundant number, because the sum of its proper divisors (4079801084835) is greater than itself. Its abundance is 89179193670

Bases of 3990621891165

• Binary: 111010000100100011100110011010101001011101₂
• Hexadecimal: 0x3A12399AA5D
• Base-36: 1EX9L8LZX

Squares and roots of 3990621891165

• 3990621891165 squared (3990621891165²) is 15925063078245321105057225
• 3990621891165 cubed (3990621891165³) is 63550905338229259678076150875046917125
• The square root of 3990621891165 is 1997654.0969760005
• The cube root of 3990621891165 is 15861.5951286885

Scales and comparisons

• 3,990,621,891,165 seconds is equal to 126,889 years, 22 weeks, 3 days, 8 hours, 52 minutes, 45 seconds.
• To count from 1 to 3,990,621,891,165 would take you about three hundred seventeen thousand, two hundred twenty-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 3990621891165 cubic inches would be around 1321.8 feet tall.

Recreational maths with 3990621891165

• 3990621891165 backwards is 5611981260993
• The number of decimal digits it has is: 13
• The sum of 3990621891165's digits is 60
• More coming soon!