31005199407

Names of 31005199407

• Cardinal: 31005199407 can be written as Thirty-one billion, five million, one hundred ninety-nine thousand, four hundred seven.

Scientific notation

• Scientific notation: 3.1005199407 × 10¹⁰

Factors of 31005199407

• Number of distinct prime factors ω(n): 7
• Total number of prime factors Ω(n): 7
• Sum of prime factors: 609

Divisors of 31005199407

• Number of divisors d(n): 128
• Complete list of divisors:
  1 3 7 13 21 39 43 73 91 97 129 219 273 291 301 373 511 559 679 903 949 1119 1261 1533 1677 2037 2611 2847 3139 3783 3913 4171 4849 6643 7081 7833 8827 9417 11739 12513 14547 16039 19929 21243 21973 26481 27229 29197 33943 36181 40807 48117 49567 54223 65919 81687 87591 92053 101829 108543 112273 122421 148701 162669 190603 208507 253267 276159 285649 304483 336819 353977 379561 470353 571809 625521 644371 759801 856947 913449 1061931 1138683 1170847 1411059 1459549 1555783 1933113 2131381 2477839 2641213 3292471 3512541 3958279 4378647 4667349 6394143 7433517 7923639 8195929 9877413 10890481 11874837 15221011 18488491 20225179 24587787 27707953 32671443 34335769 45663033 55465473 60675537 83123859 103007307 106547077 113572159 141576253 240350383 319641231 340716477 424728759 721051149 795005113 1476438067 2385015339 4429314201 10335066469 31005199407
• Sum of all divisors σ(n): 53463832576
• Sum of proper divisors (its aliquot sum) s(n): 22458633169
• 31005199407 is a deficient number, because the sum of its proper divisors (22458633169) is less than itself. Its deficiency is 8546566238

Bases of 31005199407

• Binary: 11100111000000011011100110000101111₂
• Hexadecimal: 0x7380DCC2F
• Base-36: E8RP0Z3

Squares and roots of 31005199407

• 31005199407 squared (31005199407²) is 961322390267833151649
• 31005199407 cubed (31005199407³) is 29805992404668043004682515872143
• The square root of 31005199407 is 176082.9333212053
• The cube root of 31005199407 is 3141.5562696331

Scales and comparisons

• 31,005,199,407 seconds is equal to 985 years, 45 weeks, 1 day, 11 hours, 23 minutes, 27 seconds.
• To count from 1 to 31,005,199,407 would take you about one thousand, nine hundred seventy-one 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 31005199407 cubic inches would be around 261.8 feet tall.

Recreational maths with 31005199407

• 31005199407 backwards is 70499150013
• 31005199407 is a Harshad number.
• The number of decimal digits it has is: 11
• The sum of 31005199407's digits is 39
• More coming soon!