401997307887

Names of 401997307887

• Cardinal: 401997307887 can be written as Four hundred one billion, nine hundred ninety-seven million, three hundred seven thousand, eight hundred eighty-seven.

Scientific notation

• Scientific notation: 4.01997307887 × 10¹¹

Factors of 401997307887

• Number of distinct prime factors ω(n): 5
• Total number of prime factors Ω(n): 9
• Sum of prime factors: 7275

Divisors of 401997307887

• Number of divisors d(n): 96
• Complete list of divisors:
  1 3 7 9 21 27 59 63 81 177 189 243 413 531 567 607 1239 1593 1701 1821 3717 4249 4779 5463 6599 11151 12747 14337 16389 19797 33453 35813 38241 46193 49167 59391 100359 107439 114723 138579 147501 178173 250691 322317 344169 389341 415737 534519 752073 966951 1032507 1168023 1247211 1603557 2256219 2725387 2900853 3504069 3741633 4005593 6768657 8176161 8702559 10512207 11224899 12016779 20305971 24528483 28039151 31536621 36050337 60917913 73585449 84117453 94609863 108151011 220756347 236329987 252352359 324453033 662269041 708989961 757057077 973359099 1654309909 2126969883 2271171231 4962929727 6380909649 6813513693 14888789181 19142728947 44666367543 57428186841 133999102629 401997307887
• Sum of all divisors σ(n): 701116416000
• Sum of proper divisors (its aliquot sum) s(n): 299119108113
• 401997307887 is a deficient number, because the sum of its proper divisors (299119108113) is less than itself. Its deficiency is 102878199774

Bases of 401997307887

• Binary: 101110110011000111010000001111111101111₂
• Hexadecimal: 0x5D98E81FEF
• Base-36: 54OATFXR

Squares and roots of 401997307887

• 401997307887 squared (401997307887²) is 161601835548395472404769
• 401997307887 cubed (401997307887³) is 64963502840052676209136735980113103
• The square root of 401997307887 is 634032.5763610257
• The cube root of 401997307887 is 7380.3062172167

Scales and comparisons

• 401,997,307,887 seconds is equal to 12,782 years, 14 weeks, 14 hours, 51 minutes, 27 seconds.
• To count from 1 to 401,997,307,887 would take you about twenty-five thousand, five hundred sixty-four 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 401997307887 cubic inches would be around 615 feet tall.

Recreational maths with 401997307887

• 401997307887 backwards is 788703799104
• 401997307887 is a Harshad number.
• The number of decimal digits it has is: 12
• The sum of 401997307887's digits is 63
• More coming soon!