138099885

Names of 138099885

• Cardinal: 138099885 can be written as One hundred thirty-eight million, ninety-nine thousand, eight hundred eighty-five.

Scientific notation

• Scientific notation: 1.38099885 × 10⁸

Factors of 138099885

• Number of distinct prime factors ω(n): 7
• Total number of prime factors Ω(n): 8
• Sum of prime factors: 105

Divisors of 138099885

• Number of divisors d(n): 192
• Complete list of divisors:
  1 3 5 7 11 15 19 21 29 31 33 35 49 55 57 77 87 93 95 105 133 145 147 155 165 203 209 217 231 245 285 319 341 385 399 435 465 539 551 589 609 627 651 665 735 899 931 957 1015 1023 1045 1085 1155 1421 1463 1519 1595 1617 1653 1705 1767 1995 2233 2387 2695 2697 2755 2793 2945 3045 3135 3255 3857 4123 4263 4389 4495 4557 4655 4785 5115 6061 6293 6479 6699 7105 7161 7315 7595 8085 8265 8835 9889 10241 11165 11571 11935 12369 13485 13965 15631 16709 17081 18183 18879 19285 19437 20615 21315 21945 22785 26999 28861 29667 30305 30723 31465 32395 33495 35805 42427 44051 45353 46893 49445 50127 51205 51243 57855 61845 69223 78155 80997 83545 85405 86583 90915 94395 97185 119567 127281 132153 134995 136059 144305 148335 153615 187891 207669 212135 220255 226765 234465 250635 256215 296989 317471 346115 358701 404985 432915 484561 563673 597835 636405 660765 680295 836969 890967 939455 952413 1038345 1315237 1453683 1484945 1587355 1793505 2422805 2510907 2818365 3945711 4184845 4454835 4762065 6576185 7268415 9206659 12554535 19728555 27619977 46033295 138099885
• Sum of all divisors σ(n): 315187200
• Sum of proper divisors (its aliquot sum) s(n): 177087315
• 138099885 is an abundant number, because the sum of its proper divisors (177087315) is greater than itself. Its abundance is 38987430

Bases of 138099885

• Binary: 1000001110110011110010101101₂
• Hexadecimal: 0x83B3CAD
• Base-36: 2A7YJX

Squares and roots of 138099885

• 138099885 squared (138099885²) is 19071578237013225
• 138099885 cubed (138099885³) is 2633782761300029115979125
• The square root of 138099885 is 11751.5907433845
• The cube root of 138099885 is 516.8895740673

Scales and comparisons

• 138,099,885 seconds is equal to 4 years, 20 weeks, 2 days, 9 hours, 4 minutes, 45 seconds.
• To count from 1 to 138,099,885 would take you about six 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 138099885 cubic inches would be around 43.1 feet tall.

Recreational maths with 138099885

• 138099885 backwards is 588990831
• The number of decimal digits it has is: 9
• The sum of 138099885's digits is 51
• More coming soon!