18445416912

Names of 18445416912

• Cardinal: 18445416912 can be written as Eighteen billion, four hundred forty-five million, four hundred sixteen thousand, nine hundred twelve.

Scientific notation

• Scientific notation: 1.8445416912 × 10¹⁰

Factors of 18445416912

• Number of distinct prime factors ω(n): 5
• Total number of prime factors Ω(n): 11
• Sum of prime factors: 134

Divisors of 18445416912

• Number of divisors d(n): 270
• Complete list of divisors:
  1 2 3 4 6 8 9 12 13 16 18 24 26 36 39 43 48 52 72 73 78 86 104 117 129 144 146 156 172 208 219 234 258 292 312 344 387 438 468 516 559 584 624 657 688 774 876 936 949 1032 1118 1168 1314 1548 1677 1752 1849 1872 1898 2064 2236 2628 2847 3096 3139 3354 3504 3698 3796 4472 5031 5256 5329 5547 5694 6192 6278 6708 7396 7592 8541 8944 9417 10062 10512 10658 11094 11388 12556 13416 14792 15184 15987 16641 17082 18834 20124 21316 22188 22776 24037 25112 26832 28251 29584 31974 33282 34164 37668 40248 40807 42632 44376 45552 47961 48074 50224 56502 63948 66564 68328 69277 72111 75336 80496 81614 85264 88752 95922 96148 113004 122421 127896 133128 134977 136656 138554 144222 150672 163228 191844 192296 207831 216333 226008 229147 244842 255792 266256 269954 277108 288444 326456 367263 383688 384592 404931 415662 432666 452016 458294 489684 539908 554216 576888 623493 652912 687441 734526 767376 809862 831324 865332 916588 979368 1079816 1108432 1153776 1214793 1246986 1374882 1469052 1619724 1662648 1730664 1754701 1833176 1958736 2062323 2159632 2429586 2493972 2749764 2938104 2978911 3239448 3325296 3461328 3509402 3666352 4124646 4859172 4987944 5264103 5499528 5876208 5957822 6478896 7018804 8249292 8936733 9718344 9853321 9975888 10528206 10999056 11915644 14037608 15792309 16498584 17873466 19436688 19706642 21056412 23831288 26810199 28075216 29559963 31584618 32997168 35746932 39413284 42112824 47662576 53620398 59119926 63169236 71493864 78826568 84225648 88679889 107240796 118239852 126338472 128093173 142987728 157653136 177359778 214481592 236479704 252676944 256186346 354719556 384279519 428963184 472959408 512372692 709439112 768559038 1024745384 1152838557 1418878224 1537118076 2049490768 2305677114 3074236152 4611354228 6148472304 9222708456 18445416912
• Sum of all divisors σ(n): 57705693318
• Sum of proper divisors (its aliquot sum) s(n): 39260276406
• 18445416912 is an abundant number, because the sum of its proper divisors (39260276406) is greater than itself. Its abundance is 20814859494

Bases of 18445416912

• Binary: 10001001011011011101011100111010000₂
• Hexadecimal: 0x44B6EB9D0
• Base-36: 8H1XAS0

Squares and roots of 18445416912

• 18445416912 squared (18445416912²) is 340233405057495615744
• 18445416912 cubed (18445416912³) is 6275747003674875963010231062528
• The square root of 18445416912 is 135813.9054441775
• The cube root of 18445416912 is 2642.1825821367

Scales and comparisons

• 18,445,416,912 seconds is equal to 586 years, 26 weeks, 2 days, 14 hours, 55 minutes, 12 seconds.
• To count from 1 to 18,445,416,912 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 18445416912 cubic inches would be around 220.2 feet tall.

Recreational maths with 18445416912

• 18445416912 backwards is 21961454481
• The number of decimal digits it has is: 11
• The sum of 18445416912's digits is 45
• More coming soon!