389638220660

Names of 389638220660

• Cardinal: 389638220660 can be written as Three hundred eighty-nine billion, six hundred thirty-eight million, two hundred twenty thousand, six hundred sixty.

Scientific notation

• Scientific notation: 3.8963822066 × 10¹¹

Factors of 389638220660

• Number of distinct prime factors ω(n): 6
• Total number of prime factors Ω(n): 7
• Sum of prime factors: 29831

Divisors of 389638220660

• Number of divisors d(n): 96
• Complete list of divisors:
  1 2 4 5 10 13 20 26 31 52 62 65 124 130 155 260 310 403 620 806 1612 1723 2015 3446 4030 6892 8060 8615 17230 22399 28057 34460 44798 53413 56114 89596 106826 111995 112228 140285 213652 223990 267065 280570 364741 447980 534130 561140 694369 729482 869767 1068260 1388738 1458964 1739534 1823705 2777476 3471845 3479068 3647410 4348835 6943690 7294820 8697670 11306971 13887380 17395340 22613942 45227884 48342211 56534855 96684422 113069710 193368844 226139420 241711055 483422110 628448743 966844220 1256897486 1498608541 2513794972 2997217082 3142243715 5994434164 6284487430 7493042705 12568974860 14986085410 19481911033 29972170820 38963822066 77927644132 97409555165 194819110330 389638220660
• Sum of all divisors σ(n): 910167401472
• Sum of proper divisors (its aliquot sum) s(n): 520529180812
• 389638220660 is an abundant number, because the sum of its proper divisors (520529180812) is greater than itself. Its abundance is 130890960152

Bases of 389638220660

• Binary: 101101010111000001111110110101101110100₂
• Hexadecimal: 0x5AB83F6B74
• Base-36: 4YZWJB78

Squares and roots of 389638220660

• 389638220660 squared (389638220660²) is 151817942999090850835600
• 389638220660 cubed (389638220660³) is 59154073174427063117268658183496000
• The square root of 389638220660 is 624210.0773457603
• The cube root of 389638220660 is 7303.8837197573

Scales and comparisons

• 389,638,220,660 seconds is equal to 12,389 years, 15 weeks, 15 hours, 4 minutes, 20 seconds.
• To count from 1 to 389,638,220,660 would take you about twenty-four thousand, seven hundred seventy-eight 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 389638220660 cubic inches would be around 608.7 feet tall.

Recreational maths with 389638220660

• 389638220660 backwards is 066022836983
• The number of decimal digits it has is: 12
• The sum of 389638220660's digits is 53
• More coming soon!