664439442772

Names of 664439442772

• Cardinal: 664439442772 can be written as Six hundred sixty-four billion, four hundred thirty-nine million, four hundred forty-two thousand, seven hundred seventy-two.

Scientific notation

• Scientific notation: 6.64439442772 × 10¹¹

Factors of 664439442772

• Number of distinct prime factors ω(n): 6
• Total number of prime factors Ω(n): 8
• Sum of prime factors: 45505

Divisors of 664439442772

• Number of divisors d(n): 144
• Complete list of divisors:
  1 2 4 7 14 19 28 31 38 49 62 76 98 124 127 133 196 217 254 266 434 508 532 589 868 889 931 1178 1519 1778 1862 2356 2413 3038 3556 3724 3937 4123 4826 6076 6223 7874 8246 9652 12446 15748 16492 16891 24892 27559 28861 33782 45319 55118 57722 67564 74803 90638 110236 115444 118237 149606 181276 192913 236474 299212 317233 385826 472948 523621 634466 771652 861061 1047242 1268932 1404889 1722122 2094484 2220631 2809778 3444244 3665347 4441262 5619556 5755513 6027427 7330694 8882524 9834223 11511026 12054854 14661388 19668446 23022052 24109708 26692891 39336892 40288591 42191989 53385782 68839561 80577182 84383978 106771564 109354747 137679122 161154364 168767956 178420903 186850237 218709494 275358244 282020137 356841806 373700474 437418988 564040274 713683612 747400948 765483229 1128080548 1248946321 1307951659 1530966458 2497892642 2615903318 3061932916 3389997157 4995785284 5231806636 5358382603 6779994314 8742624247 10716765206 13559988628 17485248494 21433530412 23729980099 34970496988 47459960198 94919920396 166109860693 332219721386 664439442772
• Sum of all divisors σ(n): 1481333145600
• Sum of proper divisors (its aliquot sum) s(n): 816893702828
• 664439442772 is an abundant number, because the sum of its proper divisors (816893702828) is greater than itself. Its abundance is 152454260056

Bases of 664439442772

• Binary: 1001101010110011101011010100110101010100₂
• Hexadecimal: 0x9AB3AD4D54
• Base-36: 8H8M3784

Squares and roots of 664439442772

• 664439442772 squared (664439442772²) is 441479773111165863043984
• 664439442772 cubed (664439442772³) is 293336574441092034852213196686883648
• The square root of 664439442772 is 815131.5493661131
• The cube root of 664439442772 is 8726.0654972389

Scales and comparisons

• 664,439,442,772 seconds is equal to 21,127 years, 6 weeks, 1 day, 7 hours, 52 minutes, 52 seconds.
• To count from 1 to 664,439,442,772 would take you about forty-two thousand, two hundred fifty-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 664439442772 cubic inches would be around 727.2 feet tall.

Recreational maths with 664439442772

• 664439442772 backwards is 277244934466
• The number of decimal digits it has is: 12
• The sum of 664439442772's digits is 58
• More coming soon!