18402281856

Names of 18402281856

• Cardinal: 18402281856 can be written as Eighteen billion, four hundred two million, two hundred eighty-one thousand, eight hundred fifty-six.

Scientific notation

• Scientific notation: 1.8402281856 × 10¹⁰

Factors of 18402281856

• Number of distinct prime factors ω(n): 6
• Total number of prime factors Ω(n): 13
• Sum of prime factors: 827

Divisors of 18402281856

• Number of divisors d(n): 384
• Complete list of divisors:
  1 2 3 4 6 7 8 9 12 14 16 17 18 21 24 28 32 34 36 42 48 51 56 63 64 68 72 84 96 102 112 119 126 128 136 144 153 168 192 204 224 238 241 252 272 288 306 336 357 384 408 448 476 482 504 544 557 576 612 672 714 723 816 896 952 964 1008 1071 1088 1114 1152 1224 1344 1428 1446 1632 1671 1687 1904 1928 2016 2142 2169 2176 2228 2448 2688 2856 2892 3264 3342 3374 3808 3856 3899 4032 4097 4284 4338 4456 4896 5013 5061 5712 5784 6528 6684 6748 7616 7712 7798 8064 8194 8568 8676 8912 9469 9792 10026 10122 11424 11568 11697 12291 13368 13496 15183 15232 15424 15596 16388 17136 17352 17824 18938 19584 20052 20244 22848 23136 23394 24582 26736 26992 28407 28679 30366 30848 31192 32776 34272 34704 35091 35648 36873 37876 40104 40488 45696 46272 46788 49164 53472 53984 56814 57358 60732 62384 65552 66283 68544 69408 70182 71296 73746 75752 80208 80976 85221 86037 92544 93576 98328 106944 107968 113628 114716 121464 124768 131104 132566 134237 137088 138816 140364 147492 151504 160416 161952 170442 172074 187152 196656 198849 213888 215936 227256 229432 242928 249536 258111 262208 265132 268474 277632 280728 294984 303008 320832 323904 340884 344148 374304 393312 397698 402711 454512 458864 485856 499072 516222 524416 530264 536948 561456 589968 596547 606016 641664 647808 681768 688296 748608 786624 795396 805422 909024 917728 939659 971712 1032444 1060528 1073896 1122912 1179936 1193094 1208133 1212032 1363536 1376592 1497216 1573248 1590792 1610844 1818048 1835456 1879318 1943424 2064888 2121056 2147792 2245824 2282029 2359872 2386188 2416266 2727072 2753184 2818977 3181584 3221688 3636096 3670912 3758636 4129776 4242112 4295584 4491648 4564058 4719744 4772376 4832532 5454144 5506368 5637954 6363168 6443376 6846087 7517272 8259552 8456931 8484224 8591168 9128116 9544752 9665064 10908288 11012736 11275908 12726336 12886752 13692174 15034544 15974203 16519104 16913862 17182336 18256232 19089504 19330128 20538261 22551816 25452672 25773504 27384348 30069088 31948406 33038208 33827724 36512464 38179008 38660256 41076522 45103632 47922609 51547008 54768696 60138176 63896812 67655448 73024928 76358016 77320512 82153044 90207264 95845218 109537392 120276352 127793624 135310896 143767827 146049856 154641024 164306088 180414528 191690436 219074784 255587248 270621792 287535654 292099712 328612176 360829056 383380872 438149568 511174496 541243584 575071308 657224352 766761744 876299136 1022348992 1082487168 1150142616 1314448704 1533523488 2044697984 2300285232 2628897408 3067046976 4600570464 6134093952 9201140928 18402281856
• Sum of all divisors σ(n): 64460784960
• Sum of proper divisors (its aliquot sum) s(n): 46058503104
• 18402281856 is an abundant number, because the sum of its proper divisors (46058503104) is greater than itself. Its abundance is 27656221248

Bases of 18402281856

• Binary: 10001001000110111001000100110000000₂
• Hexadecimal: 0x448DC8980
• Base-36: 8GC8RK0

Squares and roots of 18402281856

• 18402281856 squared (18402281856²) is 338643977507666804736
• 18402281856 cubed (18402281856³) is 6231821922933008941686787670016
• The square root of 18402281856 is 135655.0104345579
• The cube root of 18402281856 is 2640.1213718305

Scales and comparisons

• 18,402,281,856 seconds is equal to 585 years, 7 weeks, 8 hours, 57 minutes, 36 seconds.
• To count from 1 to 18,402,281,856 would take you about one thousand, one hundred seventy 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 18402281856 cubic inches would be around 220 feet tall.

Recreational maths with 18402281856

• 18402281856 backwards is 65818220481
• The number of decimal digits it has is: 11
• The sum of 18402281856's digits is 45
• More coming soon!