389457394947

Names of 389457394947

• Cardinal: 389457394947 can be written as Three hundred eighty-nine billion, four hundred fifty-seven million, three hundred ninety-four thousand, nine hundred forty-seven.

Scientific notation

• Scientific notation: 3.89457394947 × 10¹¹

Factors of 389457394947

• Number of distinct prime factors ω(n): 5
• Total number of prime factors Ω(n): 9
• Sum of prime factors: 4123

Divisors of 389457394947

• Number of divisors d(n): 96
• Complete list of divisors:
  1 3 9 27 29 81 87 113 127 243 261 339 381 783 1017 1143 2349 3051 3277 3429 3683 3851 7047 9153 9831 10287 11049 11553 14351 27459 29493 30861 33147 34659 43053 88479 99441 103977 111679 129159 265437 298323 311931 335037 387477 416179 435163 489077 796311 894969 935793 1005111 1162431 1248537 1305489 1467231 3015333 3487293 3745611 3916467 4401693 9045999 11236833 11749401 12619727 13205079 14183233 27137997 33710499 35248203 37859181 39615237 42549699 55265701 101131497 105744609 113577543 118845711 127649097 165797103 340732629 382947291 497391309 1022197887 1148841873 1492173927 1602705329 3066593661 3446525619 4476521781 4808115987 13429565343 14424347961 43273043883 129819131649 389457394947
• Sum of all divisors σ(n): 613795553280
• Sum of proper divisors (its aliquot sum) s(n): 224338158333
• 389457394947 is a deficient number, because the sum of its proper divisors (224338158333) is less than itself. Its deficiency is 165119236614

Bases of 389457394947

• Binary: 101101010101101011110000011110100000011₂
• Hexadecimal: 0x5AAD783D03
• Base-36: 4YWWVL6R

Squares and roots of 389457394947

• 389457394947 squared (389457394947²) is 151677062478903541132809
• 389457394947 cubed (389457394947³) is 59071753626247131274477254492516123
• The square root of 389457394947 is 624065.2169020479
• The cube root of 389457394947 is 7302.7536677631

Scales and comparisons

• 389,457,394,947 seconds is equal to 12,383 years, 28 weeks, 17 hours, 42 minutes, 27 seconds.
• To count from 1 to 389,457,394,947 would take you about twenty-four thousand, seven hundred sixty-seven 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 389457394947 cubic inches would be around 608.6 feet tall.

Recreational maths with 389457394947

• 389457394947 backwards is 749493754983
• The number of decimal digits it has is: 12
• The sum of 389457394947's digits is 72
• More coming soon!