18121828417

Names of 18121828417

• Cardinal: 18121828417 can be written as Eighteen billion, one hundred twenty-one million, eight hundred twenty-eight thousand, four hundred seventeen.

Scientific notation

• Scientific notation: 1.8121828417 × 10¹⁰

Factors of 18121828417

• Number of distinct prime factors ω(n): 4
• Total number of prime factors Ω(n): 10
• Sum of prime factors: 104

Divisors of 18121828417

• Number of divisors d(n): 84
• Complete list of divisors:
  1 7 11 19 49 67 77 121 133 209 343 469 539 737 847 931 1273 1463 2299 2401 3283 3773 5159 5929 6517 8107 8911 10241 14003 16093 16807 22981 26411 36113 41503 45619 56749 62377 71687 98021 112651 117649 154033 160867 184877 252791 290521 319333 397243 436639 501809 686147 788557 1078231 1126069 1294139 1769537 2033647 2235331 2780701 3056473 3512663 4803029 5519899 7547617 7882483 12386759 14235529 19464907 21395311 24588641 33621203 38639293 52833319 86707313 136254349 149767177 235348421 270475051 369833233 953780443 1647438947 2588832631 18121828417
• Sum of all divisors σ(n): 24827046160
• Sum of proper divisors (its aliquot sum) s(n): 6705217743
• 18121828417 is a deficient number, because the sum of its proper divisors (6705217743) is less than itself. Its deficiency is 11416610674

Bases of 18121828417

• Binary: 10000111000001001010010100001000001₂
• Hexadecimal: 0x438252841
• Base-36: 8BP9OAP

Squares and roots of 18121828417

• 18121828417 squared (18121828417²) is 328400665175188725889
• 18121828417 cubed (18121828417³) is 5951220506333437336153303787713
• The square root of 18121828417 is 134617.3406994805
• The cube root of 18121828417 is 2626.6407117687

Scales and comparisons

• 18,121,828,417 seconds is equal to 576 years, 11 weeks, 2 days, 9 hours, 13 minutes, 37 seconds.
• To count from 1 to 18,121,828,417 would take you about one thousand, one hundred fifty-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 18121828417 cubic inches would be around 218.9 feet tall.

Recreational maths with 18121828417

• 18121828417 backwards is 71482812181
• The number of decimal digits it has is: 11
• The sum of 18121828417's digits is 43
• More coming soon!