18984993216

Names of 18984993216

• Cardinal: 18984993216 can be written as Eighteen billion, nine hundred eighty-four million, nine hundred ninety-three thousand, two hundred sixteen.

Scientific notation

• Scientific notation: 1.8984993216 × 10¹⁰

Factors of 18984993216

• Number of distinct prime factors ω(n): 5
• Total number of prime factors Ω(n): 11
• Sum of prime factors: 14742

Divisors of 18984993216

• Number of divisors d(n): 168
• Complete list of divisors:
  1 2 3 4 6 7 8 12 14 16 21 24 28 31 32 42 48 56 62 64 84 93 96 112 124 168 186 192 217 224 248 336 372 434 448 496 651 672 744 868 961 992 1302 1344 1488 1736 1922 1984 2604 2883 2976 3472 3844 5208 5766 5952 6727 6944 7688 10416 11532 13454 13888 14699 15376 20181 20832 23064 26908 29398 30752 40362 41664 44097 46128 53816 58796 61504 80724 88194 92256 102893 107632 117592 161448 176388 184512 205786 215264 235184 308679 322896 352776 411572 430528 455669 470368 617358 645792 705552 823144 911338 940736 1234716 1291584 1367007 1411104 1646288 1822676 2469432 2734014 2822208 3189683 3292576 3645352 4938864 5468028 6379366 6585152 7290704 9569049 9877728 10936056 12758732 14125739 14581408 19138098 19755456 21872112 25517464 28251478 29162816 38276196 42377217 43744224 51034928 56502956 76552392 84754434 87488448 98880173 102069856 113005912 153104784 169508868 197760346 204139712 226011824 296640519 306209568 339017736 395520692 452023648 593281038 612419136 678035472 791041384 904047296 1186562076 1356070944 1582082768 2373124152 2712141888 3164165536 4746248304 6328331072 9492496608 18984993216
• Sum of all divisors σ(n): 59322614400
• Sum of proper divisors (its aliquot sum) s(n): 40337621184
• 18984993216 is an abundant number, because the sum of its proper divisors (40337621184) is greater than itself. Its abundance is 21352627968

Bases of 18984993216

• Binary: 10001101011100110000000000111000000₂
• Hexadecimal: 0x46B9801C0
• Base-36: 8PZ6AIO

Squares and roots of 18984993216

• 18984993216 squared (18984993216²) is 360429967411566022656
• 18984993216 cubed (18984993216³) is 6842760486151682020060262301696
• The square root of 18984993216 is 137786.0414410691
• The cube root of 18984993216 is 2667.6989351343

Scales and comparisons

• 18,984,993,216 seconds is equal to 603 years, 34 weeks, 3 days, 17 hours, 13 minutes, 36 seconds.
• To count from 1 to 18,984,993,216 would take you about one thousand, two hundred seven 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 18984993216 cubic inches would be around 222.3 feet tall.

Recreational maths with 18984993216

• 18984993216 backwards is 61239948981
• The number of decimal digits it has is: 11
• The sum of 18984993216's digits is 60
• More coming soon!