2139262840

Names of 2139262840

• Cardinal: 2139262840 can be written as Two billion, one hundred thirty-nine million, two hundred sixty-two thousand, eight hundred forty.

Scientific notation

• Scientific notation: 2.13926284 × 10⁹

Factors of 2139262840

• Number of distinct prime factors ω(n): 5
• Total number of prime factors Ω(n): 9
• Sum of prime factors: 2244

Divisors of 2139262840

• Number of divisors d(n): 128
• Complete list of divisors:
  1 2 4 5 8 10 11 13 20 22 26 40 44 52 55 65 88 104 110 130 143 169 220 260 286 338 440 520 572 676 715 845 1144 1352 1430 1690 1859 2197 2213 2860 3380 3718 4394 4426 5720 6760 7436 8788 8852 9295 10985 11065 14872 17576 17704 18590 21970 22130 24167 24343 28769 37180 43940 44260 48334 48686 57538 74360 87880 88520 96668 97372 115076 120835 121715 143845 193336 194744 230152 241670 243430 287690 316459 373997 483340 486860 575380 632918 747994 966680 973720 1150760 1265836 1495988 1582295 1869985 2531672 2991976 3164590 3739970 4113967 4861961 6329180 7479940 8227934 9723922 12658360 14959880 16455868 19447844 20569835 24309805 32911736 38895688 41139670 48619610 53481571 82279340 97239220 106963142 164558680 194478440 213926284 267407855 427852568 534815710 1069631420 2139262840
• Sum of all divisors σ(n): 5690865600
• Sum of proper divisors (its aliquot sum) s(n): 3551602760
• 2139262840 is an abundant number, because the sum of its proper divisors (3551602760) is greater than itself. Its abundance is 1412339920

Bases of 2139262840

• Binary: 1111111100000101000111101111000₂
• Hexadecimal: 0x7F828F78
• Base-36: ZDNTRS

Squares and roots of 2139262840

• 2139262840 squared (2139262840²) is 4576445498604865600
• 2139262840 cubed (2139262840³) is 9790219794450660821274304000
• The square root of 2139262840 is 46252.1657871283
• The cube root of 2139262840 is 1288.5107586207

Scales and comparisons

• 2,139,262,840 seconds is equal to 68 years, 1 week, 23 hours, 40 minutes, 40 seconds.
• To count from 1 to 2,139,262,840 would take you about one hundred thirty-six 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 2139262840 cubic inches would be around 107.4 feet tall.

Recreational maths with 2139262840

• 2139262840 backwards is 0482629312
• The number of decimal digits it has is: 10
• The sum of 2139262840's digits is 37
• More coming soon!