389894933768

Names of 389894933768

• Cardinal: 389894933768 can be written as Three hundred eighty-nine billion, eight hundred ninety-four million, nine hundred thirty-three thousand, seven hundred sixty-eight.

Scientific notation

• Scientific notation: 3.89894933768 × 10¹¹

Factors of 389894933768

• Number of distinct prime factors ω(n): 6
• Total number of prime factors Ω(n): 8
• Sum of prime factors: 1755

Divisors of 389894933768

• Number of divisors d(n): 128
• Complete list of divisors:
  1 2 4 8 17 31 34 62 68 124 136 211 248 401 422 527 802 844 1054 1093 1604 1688 2108 2186 3208 3587 4216 4372 6541 6817 7174 8744 12431 13082 13634 14348 18581 24862 26164 27268 28696 33883 37162 49724 52328 54536 67766 74324 84611 99448 111197 135532 148648 169222 211327 222394 230623 271064 338444 422654 438293 444788 461246 576011 676888 845308 876586 889576 922492 1152022 1438387 1690616 1753172 1844984 2304044 2622941 2876774 3506344 3920591 4608088 5245882 5753548 7149313 7450981 7841182 10491764 11507096 13587083 14298626 14901962 15682364 20983528 27174166 28597252 29803924 31364728 44589997 54348332 57194504 59607848 89179994 92479823 108696664 121538321 178359988 184959646 230980411 243076642 356719976 369919292 461960822 486153284 739838584 923921644 972306568 1572156991 1847843288 2866874513 3144313982 5733749026 6288627964 11467498052 12577255928 22934996104 48736866721 97473733442 194947466884 389894933768
• Sum of all divisors σ(n): 805550883840
• Sum of proper divisors (its aliquot sum) s(n): 415655950072
• 389894933768 is an abundant number, because the sum of its proper divisors (415655950072) is greater than itself. Its abundance is 25761016304

Bases of 389894933768

• Binary: 101101011000111100011001000110100001000₂
• Hexadecimal: 0x5AC78C8D08
• Base-36: 4Z45DKAW

Squares and roots of 389894933768

• 389894933768 squared (389894933768²) is 152018059377953106677824
• 389894933768 cubed (389894933768³) is 59271071192706917807560026994360832
• The square root of 389894933768 is 624415.6738647741
• The cube root of 389894933768 is 7305.4874219949

Scales and comparisons

• 389,894,933,768 seconds is equal to 12,397 years, 23 weeks, 3 days, 20 hours, 16 minutes, 8 seconds.
• To count from 1 to 389,894,933,768 would take you about twenty-four thousand, seven hundred ninety-four 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 389894933768 cubic inches would be around 608.8 feet tall.

Recreational maths with 389894933768

• 389894933768 backwards is 867339498983
• The number of decimal digits it has is: 12
• The sum of 389894933768's digits is 77
• More coming soon!