389425077891

Names of 389425077891

• Cardinal: 389425077891 can be written as Three hundred eighty-nine billion, four hundred twenty-five million, seventy-seven thousand, eight hundred ninety-one.

Scientific notation

• Scientific notation: 3.89425077891 × 10¹¹

Factors of 389425077891

• Number of distinct prime factors ω(n): 3
• Total number of prime factors Ω(n): 13
• Sum of prime factors: 79

Divisors of 389425077891

• Number of divisors d(n): 108
• Complete list of divisors:
  1 3 9 17 27 51 59 81 153 177 243 289 459 531 729 867 1003 1377 1593 2187 2601 3009 3481 4131 4779 6561 7803 9027 10443 12393 14337 17051 23409 27081 31329 37179 43011 51153 59177 70227 81243 93987 111537 129033 153459 177531 205379 210681 243729 281961 387099 460377 532593 616137 632043 731187 845883 1006009 1381131 1597779 1848411 1896129 2193561 2537649 3018027 3491443 4143393 4793337 5545233 6580683 7612947 9054081 10474329 12430179 14380011 16635699 22838841 27162243 31422987 37290537 43140033 49907097 59354531 81486729 94268961 111871611 129420099 149721291 178063593 244460187 282806883 388260297 449163873 534190779 733380561 848420649 1347491619 1602572337 2200141683 2545261947 4807717011 6600425049 7635785841 14423151033 22907357523 43269453099 129808359297 389425077891
• Sum of all divisors σ(n): 631186388040
• Sum of proper divisors (its aliquot sum) s(n): 241761310149
• 389425077891 is a deficient number, because the sum of its proper divisors (241761310149) is less than itself. Its deficiency is 147663767742

Bases of 389425077891

• Binary: 101101010101011100010110001111010000011₂
• Hexadecimal: 0x5AAB8B1E83
• Base-36: 4YWDMX6R

Squares and roots of 389425077891

• 389425077891 squared (389425077891²) is 151651891290411417007881
• 389425077891 cubed (389425077891³) is 59057049578085930569729740585858971
• The square root of 389425077891 is 624039.3239940893
• The cube root of 389425077891 is 7302.5516687509

Scales and comparisons

• 389,425,077,891 seconds is equal to 12,382 years, 26 weeks, 4 days, 16 hours, 44 minutes, 51 seconds.
• To count from 1 to 389,425,077,891 would take you about twenty-four thousand, seven hundred 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 389425077891 cubic inches would be around 608.5 feet tall.

Recreational maths with 389425077891

• 389425077891 backwards is 198770524983
• The number of decimal digits it has is: 12
• The sum of 389425077891's digits is 63
• More coming soon!