394142795802

Names of 394142795802

• Cardinal: 394142795802 can be written as Three hundred ninety-four billion, one hundred forty-two million, seven hundred ninety-five thousand, eight hundred two.

Scientific notation

• Scientific notation: 3.94142795802 × 10¹¹

Factors of 394142795802

• Number of distinct prime factors ω(n): 4
• Total number of prime factors Ω(n): 12
• Sum of prime factors: 53

Divisors of 394142795802

• Number of divisors d(n): 144
• Complete list of divisors:
  1 2 3 6 7 9 14 18 21 27 41 42 54 63 81 82 123 126 162 189 243 246 287 369 378 486 567 574 738 861 1107 1134 1681 1701 1722 2214 2583 3321 3362 3402 5043 5166 6642 7749 9963 10086 11767 15129 15498 19926 23247 23534 30258 35301 45387 46494 68921 69741 70602 90774 105903 136161 137842 139482 206763 211806 272322 317709 408483 413526 482447 620289 635418 816966 953127 964894 1240578 1447341 1860867 1906254 2825761 2859381 2894682 3721734 4342023 5582601 5651522 5718762 8477283 8684046 11165202 13026069 16747803 16954566 19780327 25431849 26052138 33495606 39078207 39560654 50863698 59340981 76295547 78156414 115856201 117234621 118681962 152591094 178022943 228886641 231712402 234469242 347568603 356045886 457773282 534068829 686659923 695137206 810993407 1042705809 1068137658 1373319846 1602206487 1621986814 2085411618 2432980221 3128117427 3204412974 4806619461 4865960442 6256234854 7298940663 9384352281 9613238922 14597881326 18768704562 21896821989 28153056843 43793643978 56306113686 65690465967 131380931934 197071397901 394142795802
• Sum of all divisors σ(n): 1037422766016
• Sum of proper divisors (its aliquot sum) s(n): 643279970214
• 394142795802 is an abundant number, because the sum of its proper divisors (643279970214) is greater than itself. Its abundance is 249137174412

Bases of 394142795802

• Binary: 101101111000100101111011100100000011010₂
• Hexadecimal: 0x5BC4BDC81A
• Base-36: 512EFZMI

Squares and roots of 394142795802

• 394142795802 squared (394142795802²) is 155348543482617068823204
• 394142795802 cubed (394142795802³) is 61229509252007257293743874611389608
• The square root of 394142795802 is 627807.9290690745
• The cube root of 394142795802 is 7331.9224757487

Scales and comparisons

• 394,142,795,802 seconds is equal to 12,532 years, 27 weeks, 21 hours, 56 minutes, 42 seconds.
• To count from 1 to 394,142,795,802 would take you about twenty-five thousand and sixty-five 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 394142795802 cubic inches would be around 611 feet tall.

Recreational maths with 394142795802

• 394142795802 backwards is 208597241493
• 394142795802 is a Harshad number.
• The number of decimal digits it has is: 12
• The sum of 394142795802's digits is 54
• More coming soon!