2138531010

Names of 2138531010

• Cardinal: 2138531010 can be written as Two billion, one hundred thirty-eight million, five hundred thirty-one thousand and ten.

Scientific notation

• Scientific notation: 2.13853101 × 10⁹

Factors of 2138531010

• Number of distinct prime factors ω(n): 6
• Total number of prime factors Ω(n): 9
• Sum of prime factors: 1121

Divisors of 2138531010

• Number of divisors d(n): 192
• Complete list of divisors:
  1 2 3 5 6 7 10 11 14 15 21 22 30 33 35 42 49 55 66 70 77 98 105 110 121 147 154 165 210 231 242 245 294 330 363 385 462 490 539 605 726 735 770 847 1078 1093 1155 1210 1331 1470 1617 1694 1815 2186 2310 2541 2662 2695 3234 3279 3630 3993 4235 5082 5390 5465 5929 6558 6655 7651 7986 8085 8470 9317 10930 11858 12023 12705 13310 15302 16170 16395 17787 18634 19965 22953 24046 25410 27951 29645 32790 35574 36069 38255 39930 45906 46585 53557 55902 59290 60115 65219 72138 76510 84161 88935 93170 107114 114765 120230 130438 132253 139755 160671 168322 177870 180345 195657 229530 252483 264506 267785 279510 321342 326095 360690 391314 396759 420805 504966 535570 589127 652190 661265 793518 803355 841610 925771 978285 1178254 1262415 1322530 1454783 1606710 1767381 1851542 1956570 1983795 2524830 2777313 2909566 2945635 3534762 3967590 4364349 4628855 5554626 5891270 6480397 7273915 8728698 8836905 9257710 10183481 12960794 13886565 14547830 17673810 19441191 20366962 21821745 27773130 30550443 32401985 38882382 43643490 50917405 61100886 64803970 71284367 97205955 101834810 142568734 152752215 194411910 213853101 305504430 356421835 427706202 712843670 1069265505 2138531010
• Sum of all divisors σ(n): 6573032064
• Sum of proper divisors (its aliquot sum) s(n): 4434501054
• 2138531010 is an abundant number, because the sum of its proper divisors (4434501054) is greater than itself. Its abundance is 2295970044

Bases of 2138531010

• Binary: 1111111011101110110010011000010₂
• Hexadecimal: 0x7F7764C2
• Base-36: ZD8536

Squares and roots of 2138531010

• 2138531010 squared (2138531010²) is 4573314880731620100
• 2138531010 cubed (2138531010³) is 9780175690939021071389301000
• The square root of 2138531010 is 46244.2538052027
• The cube root of 2138531010 is 1288.3638110587

Scales and comparisons

• 2,138,531,010 seconds is equal to 67 years, 51 weeks, 6 days, 12 hours, 23 minutes, 30 seconds.
• To count from 1 to 2,138,531,010 would take you about one hundred thirty-five 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 2138531010 cubic inches would be around 107.4 feet tall.

Recreational maths with 2138531010

• 2138531010 backwards is 0101358312
• The number of decimal digits it has is: 10
• The sum of 2138531010's digits is 24
• More coming soon!