18191049731712

Names of 18191049731712

• Cardinal: 18191049731712 can be written as Eighteen trillion, one hundred ninety-one billion, forty-nine million, seven hundred thirty-one thousand, seven hundred twelve.

Scientific notation

• Scientific notation: 1.8191049731712 × 10¹³

Factors of 18191049731712

• Number of distinct prime factors ω(n): 5
• Total number of prime factors Ω(n): 14
• Sum of prime factors: 6096

Divisors of 18191049731712

• Number of divisors d(n): 384
• Complete list of divisors:
  1 2 3 4 6 8 9 11 12 13 16 18 22 24 26 27 32 33 36 39 44 48 52 54 64 66 72 78 88 96 99 104 108 117 128 132 143 144 156 176 192 198 208 216 234 264 286 288 297 312 351 352 384 396 416 429 432 468 528 572 576 594 624 702 704 792 832 858 864 936 1056 1144 1152 1188 1248 1287 1404 1408 1584 1664 1716 1728 1872 2112 2288 2376 2496 2574 2808 3168 3432 3456 3744 3861 4224 4576 4752 4992 5148 5616 6067 6336 6864 7488 7722 9152 9504 10296 11232 12134 12672 13728 14976 15444 18201 18304 19008 20592 22464 24268 27456 30888 36402 38016 41184 44928 48536 54603 54912 61776 66737 72804 78871 82368 97072 109206 123552 133474 145608 157742 163809 164736 194144 200211 218412 236613 247104 266948 291216 315484 327618 388288 400422 436824 473226 494208 533896 582432 600633 630968 655236 709839 776576 800844 867581 873648 946452 1067792 1164864 1201266 1261936 1310472 1419678 1601688 1735162 1747296 1801899 1892904 2129517 2135584 2329728 2402532 2523872 2602743 2620944 2839356 3203376 3470324 3494592 3603798 3785808 4259034 4271168 4805064 5047744 5205486 5241888 5678712 6406752 6940648 6989184 7207596 7571616 7808229 8518068 8542336 9610128 10095488 10410972 10483776 11357424 12813504 13881296 14415192 15143232 15616458 17036136 19220256 20821944 20967552 22714848 23424687 25627008 27762592 28830384 30286464 31232916 34072272 36808489 38440512 41643888 45429696 46849374 55525184 57660768 62465832 68144544 73616978 76881024 83287776 90859392 93698748 110425467 111050368 115321536 124931664 136289088 147233956 166575552 187397496 220850934 230643072 249863328 272578176 294467912 331276401 333151104 374794992 404893379 441701868 478510357 499726656 588935824 662552802 749589984 809786758 883403736 957020714 993829203 999453312 1177871648 1214680137 1325105604 1435531071 1499179968 1619573516 1766807472 1914041428 1987658406 2355743296 2429360274 2650211208 2871062142 2998359936 3239147032 3533614944 3644040411 3828082856 3975316812 4306593213 4711486592 4858720548 5263613927 5300422416 5742124284 6478294064 7067229888 7288080822 7656165712 7950633624 8613186426 9717441096 10527227854 10600844832 10932121233 11484248568 12919779639 12956588128 14134459776 14576161644 15312331424 15790841781 15901267248 17226372852 19434882192 21054455708 21201689664 21864242466 22968497136 25839559278 25913176256 29152323288 30624662848 31581683562 31802534496 34452745704 38869764384 42108911416 42403379328 43728484932 45936994272 47372525343 51679118556 51826352512 58304646576 61249325696 63163367124 63605068992 68905491408 77739528768 84217822832 87456969864 91873988544 94745050686 103358237112 116609293152 126326734248 127210137984 137810982816 142117576029 155479057536 168435645664 174913939728 183747977088 189490101372 206716474224 233218586304 252653468496 275621965632 284235152058 336871291328 349827879456 378980202744 413432948448 466437172608 505306936992 551243931264 568470304116 673742582656 699655758912 757960405488 826865896896 1010613873984 1136940608232 1399311517824 1515920810976 1653731793792 2021227747968 2273881216464 3031841621952 4547762432928 6063683243904 9095524865856 18191049731712
• Sum of all divisors σ(n): 63085424875200
• Sum of proper divisors (its aliquot sum) s(n): 44894375143488
• 18191049731712 is an abundant number, because the sum of its proper divisors (44894375143488) is greater than itself. Its abundance is 26703325411776

Bases of 18191049731712

• Binary: 100001000101101101111000011101010111010000000₂
• Hexadecimal: 0x108B6F0EAE80
• Base-36: 6G4UPBXC0

Squares and roots of 18191049731712

• 18191049731712 squared (18191049731712²) is 330914290341619227178450944
• 18191049731712 cubed (18191049731712³) is 6019678312538579315392220823598953136128
• The square root of 18191049731712 is 4265096.6849195811
• The cube root of 18191049731712 is 26299.8085504683

Scales and comparisons

• 18,191,049,731,712 seconds is equal to 578,419 years, 5 weeks, 6 days, 1 hour, 55 minutes, 12 seconds.
• To count from 1 to 18,191,049,731,712 would take you about one million, four hundred forty-six thousand and forty-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 18191049731712 cubic inches would be around 2191.7 feet tall.

Recreational maths with 18191049731712

• 18191049731712 backwards is 21713794019181
• 18191049731712 is a Harshad number.
• The number of decimal digits it has is: 14
• The sum of 18191049731712's digits is 54
• More coming soon!