399764734857

Names of 399764734857

• Cardinal: 399764734857 can be written as Three hundred ninety-nine billion, seven hundred sixty-four million, seven hundred thirty-four thousand, eight hundred fifty-seven.

Scientific notation

• Scientific notation: 3.99764734857 × 10¹¹

Factors of 399764734857

• Number of distinct prime factors ω(n): 5
• Total number of prime factors Ω(n): 9
• Sum of prime factors: 1325

Divisors of 399764734857

• Number of divisors d(n): 120
• Complete list of divisors:
  1 3 9 19 27 43 57 81 129 171 349 361 387 513 817 911 1047 1083 1161 1539 2451 2733 3141 3249 3483 6631 7353 8199 9423 9747 15007 15523 17309 19893 22059 24597 28269 29241 39173 45021 46569 51927 59679 66177 73791 117519 125989 135063 139707 155781 179037 285133 317939 328871 352557 377967 405189 419121 467343 537111 744287 855399 953817 986613 1057671 1133901 1215567 1257363 1402029 2232861 2566197 2861451 2959839 3173013 3401703 5417527 6040841 6698583 7698591 8584353 8879517 10205109 13671377 14141453 16252581 18122523 20095749 23095773 25753059 26638551 41014131 42424359 48757743 54367569 60287247 114775979 123042393 127273077 146273229 163102707 259756163 344327937 369127179 381819231 438819687 489308121 779268489 1032983811 1107381537 1145457693 2337805467 3098951433 4935367097 7013416401 9296854299 14806101291 21040249203 44418303873 133254911619 399764734857
• Sum of all divisors σ(n): 647479324800
• Sum of proper divisors (its aliquot sum) s(n): 247714589943
• 399764734857 is a deficient number, because the sum of its proper divisors (247714589943) is less than itself. Its deficiency is 152050144914

Bases of 399764734857

• Binary: 101110100010011110101011100001110001001₂
• Hexadecimal: 0x5D13D5C389
• Base-36: 53NDLNK9

Squares and roots of 399764734857

• 399764734857 squared (399764734857²) is 159811843235287510810449
• 399764734857 cubed (399764734857³) is 63887139137963160825302665670120793
• The square root of 399764734857 is 632269.5112505425
• The cube root of 399764734857 is 7366.6181736509

Scales and comparisons

• 399,764,734,857 seconds is equal to 12,711 years, 14 weeks, 4 days, 15 hours, 40 minutes, 57 seconds.
• To count from 1 to 399,764,734,857 would take you about twenty-five thousand, four hundred twenty-two 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 399764734857 cubic inches would be around 613.9 feet tall.

Recreational maths with 399764734857

• 399764734857 backwards is 758437467993
• The number of decimal digits it has is: 12
• The sum of 399764734857's digits is 72
• More coming soon!