18418643820010872

Names of 18418643820010872

• Cardinal: 18418643820010872 can be written as Eighteen quadrillion, four hundred eighteen trillion, six hundred forty-three billion, eight hundred twenty million, ten thousand, eight hundred seventy-two.

Scientific notation

• Scientific notation: 1.8418643820010872 × 10¹⁶

Factors of 18418643820010872

• Number of distinct prime factors ω(n): 5
• Total number of prime factors Ω(n): 9
• Sum of prime factors: 1537561088

Divisors of 18418643820010872

• Number of divisors d(n): 128
• Complete list of divisors:
  1 2 3 4 6 8 9 12 18 24 27 31 36 54 62 72 93 108 124 186 216 248 279 372 558 744 837 1116 1674 1789 2232 3348 3578 5367 6696 7156 10734 14312 16101 21468 32202 42936 48303 55459 64404 96606 110918 128808 166377 193212 221836 332754 386424 443672 499131 665508 998262 1331016 1497393 1996524 2994786 3993048 5989572 11979144 1537559263 3075118526 4612677789 6150237052 9225355578 12300474104 13838033367 18450711156 27676066734 36901422312 41514100101 47664337153 55352133468 83028200202 95328674306 110704266936 142993011459 166056400404 190657348612 285986022918 332112800808 381314697224 428979034377 571972045836 857958068754 1143944091672 1286937103131 1715916137508 2573874206262 2750693521507 3431832275016 5147748412524 5501387043014 8252080564521 10295496825048 11002774086028 16504161129042 22005548172056 24756241693563 33008322258084 49512483387126 66016644516168 74268725080689 85271499166717 99024966774252 148537450161378 170542998333434 198049933548504 255814497500151 297074900322756 341085996666868 511628995000302 594149800645512 682171993333736 767443492500453 1023257990000604 1534886985000906 2046515980001208 2302330477501359 3069773970001812 4604660955002718 6139547940003624 9209321910005436 18418643820010872
• Sum of all divisors σ(n): 52842836785152000
• Sum of proper divisors (its aliquot sum) s(n): 34424192965141128
• 18418643820010872 is an abundant number, because the sum of its proper divisors (34424192965141128) is greater than itself. Its abundance is 16005549145130256

Bases of 18418643820010872

• Binary: 1000001011011111010100010110010001000101101110101111000₂
• Hexadecimal: 0x416FA8B222DD78
• Base-36: 51CV45R5660

Squares and roots of 18418643820010872

• 18418643820010872 squared (18418643820010872²) is 339246440168424687391222198200384
• 18418643820010872 cubed (18418643820010872³) is 6248459348668843414851277776331635250965714574848
• The square root of 18418643820010872 is 135715304.2954657787
• The cube root of 18418643820010872 is 264090.3607693349

Scales and comparisons

• 18,418,643,820,010,872 seconds is equal to 585,655,900 years, 45 weeks, 1 day, 19 hours, 1 minute, 12 seconds.
• To count from 1 to 18,418,643,820,010,872 would take you about one billion, seven hundred fifty-six million, nine hundred sixty-seven thousand, seven hundred two 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 18418643820010872 cubic inches would be around 22007.5 feet tall.

Recreational maths with 18418643820010872

• 18418643820010872 backwards is 27801002834681481
• The number of decimal digits it has is: 17
• The sum of 18418643820010872's digits is 63
• More coming soon!