401945809839

Names of 401945809839

• Cardinal: 401945809839 can be written as Four hundred one billion, nine hundred forty-five million, eight hundred nine thousand, eight hundred thirty-nine.

Scientific notation

• Scientific notation: 4.01945809839 × 10¹¹

Factors of 401945809839

• Number of distinct prime factors ω(n): 4
• Total number of prime factors Ω(n): 10
• Sum of prime factors: 70

Divisors of 401945809839

• Number of divisors d(n): 128
• Complete list of divisors:
  1 3 7 17 21 43 49 51 119 129 147 289 301 343 357 731 833 867 903 1029 1849 2023 2107 2193 2499 4913 5117 5547 5831 6069 6321 12427 12943 14161 14739 14749 15351 17493 31433 34391 35819 37281 38829 42483 44247 79507 86989 90601 94299 99127 103173 107457 211259 220031 238521 240737 250733 260967 271803 297381 534361 556549 608923 633777 634207 660093 722211 752199 1351619 1478813 1540217 1603083 1669647 1685159 1826769 1902621 3740527 3895843 4054857 4262461 4436439 4620651 5055477 9084137 9461333 10351691 10781519 11221581 11687529 12787383 22977523 26183689 27252411 27270901 28383999 31055073 32344557 63588959 66229331 68932569 72461837 78551067 81812703 160842661 183285823 190766877 198687993 217385511 390617891 445122713 463605317 482527983 549857469 1125898627 1171853673 1335368139 1390815951 2734325237 3115858991 3377695881 7881290389 8202975711 9347576973 19140276659 23643871167 57420829977 133981936613 401945809839
• Sum of all divisors σ(n): 679852800000
• Sum of proper divisors (its aliquot sum) s(n): 277906990161
• 401945809839 is a deficient number, because the sum of its proper divisors (277906990161) is less than itself. Its deficiency is 124038819678

Bases of 401945809839

• Binary: 101110110010101110101100101001110101111₂
• Hexadecimal: 0x5D95D653AF
• Base-36: 54NG5NSF

Squares and roots of 401945809839

• 401945809839 squared (401945809839²) is 161560434047129549205921
• 401945809839 cubed (401945809839³) is 64938539501013834948920915718856719
• The square root of 401945809839 is 633991.9635444915
• The cube root of 401945809839 is 7379.9910512631

Scales and comparisons

• 401,945,809,839 seconds is equal to 12,780 years, 32 weeks, 6 days, 13 hours, 50 minutes, 39 seconds.
• To count from 1 to 401,945,809,839 would take you about twenty-five thousand, five hundred sixty-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 401945809839 cubic inches would be around 615 feet tall.

Recreational maths with 401945809839

• 401945809839 backwards is 938908549104
• The number of decimal digits it has is: 12
• The sum of 401945809839's digits is 60
• More coming soon!