40390195839

Names of 40390195839

• Cardinal: 40390195839 can be written as Forty billion, three hundred ninety million, one hundred ninety-five thousand, eight hundred thirty-nine.

Scientific notation

• Scientific notation: 4.0390195839 × 10¹⁰

Factors of 40390195839

• Number of distinct prime factors ω(n): 4
• Total number of prime factors Ω(n): 10
• Sum of prime factors: 346

Divisors of 40390195839

• Number of divisors d(n): 84
• Complete list of divisors:
  1 3 7 19 21 49 57 133 147 317 343 361 399 931 951 1029 1083 2219 2401 2527 2793 6023 6517 6657 7203 7581 15533 16807 17689 18069 19551 42161 45619 46599 50421 53067 108731 114437 117649 123823 126483 136857 295127 319333 326193 343311 352947 371469 761117 801059 866761 885381 957999 2065889 2235331 2283351 2403177 2600283 5327819 5607413 6067327 6197667 6705993 14461223 15983457 16822239 18201981 37294733 39251891 42471289 43383669 101228561 111884199 117755673 127413867 274763237 303685683 708599927 824289711 1923342659 2125799781 5770027977 13463398613 40390195839
• Sum of all divisors σ(n): 66519134424
• Sum of proper divisors (its aliquot sum) s(n): 26128938585
• 40390195839 is a deficient number, because the sum of its proper divisors (26128938585) is less than itself. Its deficiency is 14261257254

Bases of 40390195839

• Binary: 100101100111011100010111101001111111₂
• Hexadecimal: 0x967717A7F
• Base-36: IJZA2KF

Squares and roots of 40390195839

• 40390195839 squared (40390195839²) is 1631367919912772913921
• 40390195839 cubed (40390195839³) is 65891269770738965790803879374719
• The square root of 40390195839 is 200973.1221805543
• The cube root of 40390195839 is 3431.0363535073

Scales and comparisons

• 40,390,195,839 seconds is equal to 1,284 years, 14 weeks, 5 days, 2 hours, 50 minutes, 39 seconds.
• To count from 1 to 40,390,195,839 would take you about two thousand, five hundred sixty-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 40390195839 cubic inches would be around 285.9 feet tall.

Recreational maths with 40390195839

• 40390195839 backwards is 93859109304
• The number of decimal digits it has is: 11
• The sum of 40390195839's digits is 51
• More coming soon!