3628700985

Names of 3628700985

• Cardinal: 3628700985 can be written as Three billion, six hundred twenty-eight million, seven hundred thousand, nine hundred eighty-five.

Scientific notation

• Scientific notation: 3.628700985 × 10⁹

Factors of 3628700985

• Number of distinct prime factors ω(n): 7
• Total number of prime factors Ω(n): 7
• Sum of prime factors: 575

Divisors of 3628700985

• Number of divisors d(n): 128
• Complete list of divisors:
  1 3 5 7 13 15 21 35 39 43 65 91 105 129 195 211 215 273 293 301 455 559 633 645 879 903 1055 1365 1465 1477 1505 1677 2051 2743 2795 3165 3809 3913 4395 4431 4515 6153 7385 8229 8385 9073 10255 11427 11739 12599 13715 19045 19201 19565 22155 26663 27219 30765 37797 41145 45365 57135 57603 58695 61823 62995 63511 79989 88193 96005 117949 133315 136095 163787 185469 188985 190533 264579 288015 309115 317555 353847 399945 432761 440965 491361 589745 803699 818935 825643 927345 952665 1146509 1298283 1322895 1769235 2163805 2411097 2456805 2476929 2658389 3439527 4018495 4128215 5625893 5732545 6491415 7975167 12055485 12384645 13291945 16877679 17197635 18608723 28129465 34559057 39875835 55826169 84388395 93043615 103677171 172795285 241913399 279130845 518385855 725740197 1209566995 3628700985
• Sum of all divisors σ(n): 7371657216
• Sum of proper divisors (its aliquot sum) s(n): 3742956231
• 3628700985 is an abundant number, because the sum of its proper divisors (3742956231) is greater than itself. Its abundance is 114255246

Bases of 3628700985

• Binary: 11011000010010011001010100111001₂
• Hexadecimal: 0xD8499539
• Base-36: 1O0FNLL

Squares and roots of 3628700985

• 3628700985 squared (3628700985²) is 13167470838539970225
• 3628700985 cubed (3628700985³) is 47780814401768765917328171625
• The square root of 3628700985 is 60238.7000606753
• The cube root of 3628700985 is 1536.6810211663

Scales and comparisons

• 3,628,700,985 seconds is equal to 115 years, 19 weeks, 5 days, 20 hours, 29 minutes, 45 seconds.
• To count from 1 to 3,628,700,985 would take you about two hundred thirty 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 3628700985 cubic inches would be around 128.1 feet tall.

Recreational maths with 3628700985

• 3628700985 backwards is 5890078263
• The number of decimal digits it has is: 10
• The sum of 3628700985's digits is 48
• More coming soon!