401387935234489281

Names of 401387935234489281

• Cardinal: 401387935234489281 can be written as Four hundred one quadrillion, three hundred eighty-seven trillion, nine hundred thirty-five billion, two hundred thirty-four million, four hundred eighty-nine thousand, two hundred eighty-one.

Scientific notation

• Scientific notation: 4.01387935234489281 × 10¹⁷

Factors of 401387935234489281

• Number of distinct prime factors ω(n): 3
• Total number of prime factors Ω(n): 10
• Sum of prime factors: 1805007

Divisors of 401387935234489281

• Number of divisors d(n): 63
• Complete list of divisors:
  1 3 9 13 27 39 81 117 169 243 351 507 729 1053 1521 3159 4563 9477 13689 41067 123201 1804991 5414973 16244919 23464883 48734757 70394649 146204271 211183947 305043479 438612813 633551841 915130437 1315838439 1900655523 2745391311 5701966569 8236173933 17105899707 24708521799 74125565397 222376696191 3257992510081 9773977530243 29321932590729 42353902631053 87965797772187 127061707893159 263897393316561 381185123679477 550600734203689 791692179949683 1143555371038431 1651802202611067 2375076539849049 3430666113115293 4955406607833201 10291998339345879 14866219823499603 30875995018037637 44598659470498809 133795978411496427 401387935234489281
• Sum of all divisors σ(n): 651660764906586387
• Sum of proper divisors (its aliquot sum) s(n): 250272829672097106
• 401387935234489281 is a deficient number, because the sum of its proper divisors (250272829672097106) is less than itself. Its deficiency is 151115105562392175

Bases of 401387935234489281

• Binary: 10110010010000001000011001101010000110001110111101111000001₂
• Hexadecimal: 0x592043350C77BC1
• Base-36: 31S85BUD8N29

Squares and roots of 401387935234489281

• 401387935234489281 squared (401387935234489281²) is 161112274551806561615434692903896961
• 401387935234489281 cubed (401387935234489281³) is 64668523223281787706197313396339834270056135482975041
• 401387935234489281 is a perfect square number. Its square root is 633551841
• The cube root of 401387935234489281 is 737657.5154792849

Scales and comparisons

• 401,387,935,234,489,281 seconds is equal to 12,762,894,766 years, 2 weeks, 5 days, 15 hours, 1 minute, 21 seconds.
• To count from 1 to 401,387,935,234,489,281 would take you about thirty-eight billion, two hundred eighty-eight million, six hundred eighty-four thousand, two hundred ninety-eight 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 401387935234489281 cubic inches would be around 61471.5 feet tall.

Recreational maths with 401387935234489281

• 401387935234489281 backwards is 182984432539783104
• 401387935234489281 is a Harshad number.
• The number of decimal digits it has is: 18
• The sum of 401387935234489281's digits is 81
• More coming soon!