642047832144

Names of 642047832144

• Cardinal: 642047832144 can be written as Six hundred forty-two billion, forty-seven million, eight hundred thirty-two thousand, one hundred forty-four.

Scientific notation

• Scientific notation: 6.42047832144 × 10¹¹

Factors of 642047832144

• Number of distinct prime factors ω(n): 5
• Total number of prime factors Ω(n): 9
• Sum of prime factors: 469188

Divisors of 642047832144

• Number of divisors d(n): 120
• Complete list of divisors:
  1 2 3 4 6 8 9 12 16 18 24 36 37 48 72 74 111 144 148 222 257 296 333 444 514 592 666 771 888 1028 1332 1542 1776 2056 2313 2664 3084 4112 4626 5328 6168 9252 9509 12336 18504 19018 28527 37008 38036 57054 76072 85581 114108 152144 171162 228216 342324 456432 468889 684648 937778 1369296 1406667 1875556 2813334 3751112 4220001 5626668 7502224 8440002 11253336 16880004 17348893 22506672 33760008 34697786 52046679 67520016 69395572 104093358 120504473 138791144 156140037 208186716 241008946 277582288 312280074 361513419 416373432 482017892 624560148 723026838 832746864 964035784 1084540257 1249120296 1446053676 1928071568 2169080514 2498240592 2892107352 4338161028 4458665501 5784214704 8676322056 8917331002 13375996503 17352644112 17834662004 26751993006 35669324008 40127989509 53503986012 71338648016 80255979018 107007972024 160511958036 214015944048 321023916072 642047832144
• Sum of all divisors σ(n): 1852590016680
• Sum of proper divisors (its aliquot sum) s(n): 1210542184536
• 642047832144 is an abundant number, because the sum of its proper divisors (1210542184536) is greater than itself. Its abundance is 568494352392

Bases of 642047832144

• Binary: 1001010101111101000010000111000001010000₂
• Hexadecimal: 0x957D087050
• Base-36: 86YAP9W0

Squares and roots of 642047832144

• 642047832144 squared (642047832144²) is 412225418760809999636736
• 642047832144 cubed (642047832144³) is 264668436470030647132243776304041984
• The square root of 642047832144 is 801278.8728925779
• The cube root of 642047832144 is 8626.9204753247

Scales and comparisons

• 642,047,832,144 seconds is equal to 20,415 years, 7 weeks, 4 hours, 2 minutes, 24 seconds.
• To count from 1 to 642,047,832,144 would take you about forty thousand, eight hundred thirty 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 642047832144 cubic inches would be around 718.9 feet tall.

Recreational maths with 642047832144

• 642047832144 backwards is 441238740246
• The number of decimal digits it has is: 12
• The sum of 642047832144's digits is 45
• More coming soon!