18213947584

Names of 18213947584

• Cardinal: 18213947584 can be written as Eighteen billion, two hundred thirteen million, nine hundred forty-seven thousand, five hundred eighty-four.

Scientific notation

• Scientific notation: 1.8213947584 × 10¹⁰

Factors of 18213947584

• Number of distinct prime factors ω(n): 4
• Total number of prime factors Ω(n): 14
• Sum of prime factors: 109

Divisors of 18213947584

• Number of divisors d(n): 196
• Complete list of divisors:
  1 2 4 7 8 14 16 28 32 41 49 56 59 64 82 98 112 118 164 196 224 236 287 328 343 392 413 448 472 574 656 686 784 826 944 1148 1312 1372 1568 1652 1888 2009 2296 2401 2419 2624 2744 2891 3136 3304 3776 4018 4592 4802 4838 5488 5782 6608 8036 9184 9604 9676 10976 11564 13216 14063 16072 16807 16933 18368 19208 19352 20237 21952 23128 26432 28126 32144 33614 33866 38416 38704 40474 46256 56252 64288 67228 67732 76832 77408 80948 92512 98441 112504 117649 118531 128576 134456 135464 141659 153664 154816 161896 185024 196882 225008 235298 237062 268912 270928 283318 323792 393764 450016 470596 474124 537824 541856 566636 647584 689087 787528 829717 900032 941192 948248 991613 1075648 1083712 1133272 1295168 1378174 1575056 1659434 1882384 1896496 1983226 2266544 2756348 3150112 3318868 3764768 3792992 3966452 4533088 4823609 5512696 5808019 6300224 6637736 6941291 7529536 7585984 7932904 9066176 9647218 11025392 11616038 13275472 13882582 15865808 19294436 22050784 23232076 26550944 27765164 31731616 38588872 40656133 44101568 46464152 53101888 55530328 63463232 77177744 81312266 92928304 111060656 154355488 162624532 185856608 222121312 284592931 308710976 325249064 371713216 444242624 569185862 650498128 1138371724 1300996256 2276743448 2601992512 4553486896 9106973792 18213947584
• Sum of all divisors σ(n): 43927730280
• Sum of proper divisors (its aliquot sum) s(n): 25713782696
• 18213947584 is an abundant number, because the sum of its proper divisors (25713782696) is greater than itself. Its abundance is 7499835112

Bases of 18213947584

• Binary: 10000111101101000101100100011000000₂
• Hexadecimal: 0x43DA2C8C0
• Base-36: 8D843WG

Squares and roots of 18213947584

• 18213947584 squared (18213947584²) is 331747886592699437056
• 18213947584 cubed (18213947584³) is 6042438617502203903604291272704
• The square root of 18213947584 is 134959.0589178807
• The cube root of 18213947584 is 2631.0838821609

Scales and comparisons

• 18,213,947,584 seconds is equal to 579 years, 7 weeks, 4 days, 13 hours, 53 minutes, 4 seconds.
• To count from 1 to 18,213,947,584 would take you about one thousand, one hundred fifty-eight 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 18213947584 cubic inches would be around 219.3 feet tall.

Recreational maths with 18213947584

• 18213947584 backwards is 48574931281
• The number of decimal digits it has is: 11
• The sum of 18213947584's digits is 52
• More coming soon!