420390124128

Names of 420390124128

• Cardinal: 420390124128 can be written as Four hundred twenty billion, three hundred ninety million, one hundred twenty-four thousand, one hundred twenty-eight.

Scientific notation

• Scientific notation: 4.20390124128 × 10¹¹

Factors of 420390124128

• Number of distinct prime factors ω(n): 5
• Total number of prime factors Ω(n): 10
• Sum of prime factors: 42906

Divisors of 420390124128

• Number of divisors d(n): 144
• Complete list of divisors:
  1 2 3 4 6 8 9 12 13 16 18 24 26 32 36 39 48 52 72 78 96 104 117 144 156 208 234 288 312 416 468 624 936 1248 1872 2801 3744 5602 8403 11204 16806 22408 25209 33612 36413 40087 44816 50418 67224 72826 80174 89632 100836 109239 120261 134448 145652 160348 201672 218478 240522 268896 291304 320696 327717 360783 403344 436956 481044 521131 582608 641392 655434 721566 806688 873912 962088 1042262 1165216 1282784 1310868 1443132 1563393 1747824 1924176 2084524 2621736 2886264 3126786 3495648 3848352 4169048 4690179 5243472 5772528 6253572 8338096 9380358 10486944 11545056 12507144 16676192 18760716 25014288 37521432 50028576 75042864 112283687 150085728 224567374 336851061 449134748 673702122 898269496 1010553183 1347404244 1459687931 1796538992 2021106366 2694808488 2919375862 3593077984 4042212732 4379063793 5389616976 5838751724 8084425464 8758127586 10779233952 11677503448 13137191379 16168850928 17516255172 23355006896 26274382758 32337701856 35032510344 46710013792 52548765516 70065020688 105097531032 140130041376 210195062064 420390124128
• Sum of all divisors σ(n): 1287936520416
• Sum of proper divisors (its aliquot sum) s(n): 867546396288
• 420390124128 is an abundant number, because the sum of its proper divisors (867546396288) is greater than itself. Its abundance is 447156272160

Bases of 420390124128

• Binary: 110000111100001001101000011101001100000₂
• Hexadecimal: 0x61E1343A60
• Base-36: 5D4HFBS0

Squares and roots of 420390124128

• 420390124128 squared (420390124128²) is 176727856464355247760384
• 420390124128 cubed (420390124128³) is 74294645515925669813476023760945152
• The square root of 420390124128 is 648374.9872781955
• The cube root of 420390124128 is 7491.1903917319

Scales and comparisons

• 420,390,124,128 seconds is equal to 13,367 years, 5 weeks, 3 days, 10 hours, 28 minutes, 48 seconds.
• To count from 1 to 420,390,124,128 would take you about twenty-six thousand, seven hundred thirty-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 420390124128 cubic inches would be around 624.3 feet tall.

Recreational maths with 420390124128

• 420390124128 backwards is 821421093024
• 420390124128 is a Harshad number.
• The number of decimal digits it has is: 12
• The sum of 420390124128's digits is 36
• More coming soon!