18445473904

Names of 18445473904

• Cardinal: 18445473904 can be written as Eighteen billion, four hundred forty-five million, four hundred seventy-three thousand, nine hundred four.

Scientific notation

• Scientific notation: 1.8445473904 × 10¹⁰

Factors of 18445473904

• Number of distinct prime factors ω(n): 6
• Total number of prime factors Ω(n): 10
• Sum of prime factors: 429

Divisors of 18445473904

• Number of divisors d(n): 240
• Complete list of divisors:
  1 2 4 8 11 13 16 19 22 26 38 44 52 76 88 104 127 143 152 169 176 208 209 247 254 257 286 304 338 418 494 508 514 572 676 836 988 1016 1028 1144 1352 1397 1651 1672 1859 1976 2032 2056 2288 2413 2704 2717 2794 2827 3211 3302 3341 3344 3718 3952 4112 4826 4883 5434 5588 5654 6422 6604 6682 7436 9652 9766 10868 11176 11308 12844 13208 13364 14872 18161 19304 19532 21463 21736 22352 22616 25688 26416 26543 26728 29744 31369 32639 35321 36322 36751 38608 39064 42926 43433 43472 45232 51376 53086 53456 53713 62738 63479 65278 70642 72644 73502 78128 85852 86866 106172 107426 125476 126958 130556 141284 145288 147004 171704 173732 212344 214852 236093 250952 253916 261112 282568 290576 294008 343408 345059 347464 359029 407797 424307 424688 429704 472186 477763 501904 507832 522224 565136 588016 620141 690118 694928 698269 718058 815594 825227 848614 859408 944372 955526 1015664 1240282 1380236 1396538 1436116 1631188 1650454 1697228 1888744 1911052 2480564 2760472 2793076 2872232 3262376 3300908 3394456 3777488 3822104 4485767 4667377 4961128 5515991 5520944 5586152 5744464 6524752 6601816 6788912 6821551 7644208 8061833 8971534 9077497 9334754 9922256 11031982 11172304 13203632 13643102 16123666 17943068 18154994 18669508 22063964 27286204 32247332 35886136 36309988 37339016 44127928 54572408 60675901 64494664 71772272 72619976 74678032 88255856 88680163 104803829 109144816 121351802 128989328 145239952 177360326 209607658 242703604 354720652 419215316 485407208 709441304 838430632 970814416 1152842119 1418882608 1676861264 2305684238 4611368476 9222736952 18445473904
• Sum of all divisors σ(n): 44962836480
• Sum of proper divisors (its aliquot sum) s(n): 26517362576
• 18445473904 is an abundant number, because the sum of its proper divisors (26517362576) is greater than itself. Its abundance is 8071888672

Bases of 18445473904

• Binary: 10001001011011011111001100001110000₂
• Hexadecimal: 0x44B6F9870
• Base-36: 8H1YIR4

Squares and roots of 18445473904

• 18445473904 squared (18445473904²) is 340235507543145001216
• 18445473904 cubed (18445473904³) is 6275805175601276274017776267264
• The square root of 18445473904 is 135814.1152605281
• The cube root of 18445473904 is 2642.1853033747

Scales and comparisons

• 18,445,473,904 seconds is equal to 586 years, 26 weeks, 3 days, 6 hours, 45 minutes, 4 seconds.
• To count from 1 to 18,445,473,904 would take you about one thousand, one hundred seventy-three 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 18445473904 cubic inches would be around 220.2 feet tall.

Recreational maths with 18445473904

• 18445473904 backwards is 40937454481
• The number of decimal digits it has is: 11
• The sum of 18445473904's digits is 49
• More coming soon!