18238681424701625

Names of 18238681424701625

• Cardinal: 18238681424701625 can be written as Eighteen quadrillion, two hundred thirty-eight trillion, six hundred eighty-one billion, four hundred twenty-four million, seven hundred one thousand, six hundred twenty-five.

Scientific notation

• Scientific notation: 1.8238681424701625 × 10¹⁶

Factors of 18238681424701625

• Number of distinct prime factors ω(n): 5
• Total number of prime factors Ω(n): 9
• Sum of prime factors: 957

Divisors of 18238681424701625

• Number of divisors d(n): 144
• Complete list of divisors:
  1 5 25 61 97 125 305 373 421 485 1525 1865 2105 2425 5917 7625 9325 10525 12125 22753 25681 29585 36181 40837 46625 52625 113765 128405 139129 147925 157033 177241 180905 204185 568825 642025 695645 739625 785165 886205 904525 1020925 2207041 2491057 2844125 3210125 3478225 3925825 4431025 4522625 5104625 8486869 9579013 10811701 11035205 12455285 13495513 15232201 17192377 17391125 19629125 22155125 42434345 47895065 54058505 55176025 58573309 62276425 66110893 67477565 76161005 85961885 212171725 239475325 270292525 275880125 292866545 311382125 330554465 337387825 380805025 429809425 823226293 929164261 1048734997 1060858625 1197376625 1351462625 1464332725 1652772325 1686939125 1904025125 2149047125 3572971849 4032764473 4116131465 4645821305 5243674985 5681610973 6412756621 7321663625 8263861625 17864859245 20163822365 20580657325 23229106525 24659363089 26218374925 28408054865 32063783105 89324296225 100819111825 102903286625 116145532625 123296815445 131091874625 142040274325 160318915525 346578269353 391178153881 446621481125 504095559125 616484077225 710201371625 801594577625 1504221148429 1732891346765 1955890769405 2391958219633 3082420386125 7521105742145 8664456733825 9779453847025 11959791098165 37605528710725 43322283669125 48897269235125 59798955490825 145909451397613 188027643553625 298994777454125 729547256988065 3647736284940325 18238681424701625
• Sum of all divisors σ(n): 23492157400477584
• Sum of proper divisors (its aliquot sum) s(n): 5253475975775959
• 18238681424701625 is a deficient number, because the sum of its proper divisors (5253475975775959) is less than itself. Its deficiency is 12985205448925666

Bases of 18238681424701625

• Binary: 1000000110010111111101111101111011111011010100010111001₂
• Hexadecimal: 0x40CBFBEF7DA8B9
• Base-36: 4ZL2MKRGUD5

Squares and roots of 18238681424701625

• 18238681424701625 squared (18238681424701625²) is 332649500111756097484720277640625
• 18238681424701625 cubed (18238681424701625³) is 6067088258624567064729211723537906600049603515625
• The square root of 18238681424701625 is 135050662.4371077455
• The cube root of 18238681424701625 is 263227.4313728673

Scales and comparisons

• 18,238,681,424,701,625 seconds is equal to 579,933,653 years, 18 weeks, 4 days, 22 hours, 27 minutes, 5 seconds.
• To count from 1 to 18,238,681,424,701,625 would take you about one billion, seven hundred thirty-nine million, eight hundred thousand, nine hundred sixty 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 18238681424701625 cubic inches would be around 21935.6 feet tall.

Recreational maths with 18238681424701625

• 18238681424701625 backwards is 52610742418683281
• The number of decimal digits it has is: 17
• The sum of 18238681424701625's digits is 68
• More coming soon!