18378672368243859

Names of 18378672368243859

• Cardinal: 18378672368243859 can be written as Eighteen quadrillion, three hundred seventy-eight trillion, six hundred seventy-two billion, three hundred sixty-eight million, two hundred forty-three thousand, eight hundred fifty-nine.

Scientific notation

• Scientific notation: 1.8378672368243859 × 10¹⁶

Factors of 18378672368243859

• Number of distinct prime factors ω(n): 4
• Total number of prime factors Ω(n): 8
• Sum of prime factors: 350744

Divisors of 18378672368243859

• Number of divisors d(n): 72
• Complete list of divisors:
  1 3 7 9 21 27 49 63 113 147 189 339 441 791 1017 1323 2373 3051 5537 7119 16611 21357 49833 149499 350621 1051863 2454347 3155589 7363041 9466767 17180429 22089123 39620173 51541287 66267369 118860519 154623861 277341211 356581557 463871583 832023633 1069744671 1941388477 2496070899 5824165431 7488212697 17472496293 52417488879 122935085641 368805256923 860545599487 1106415770769 2581636798461 3319247312307 6023819196409 7744910395383 13891664677433 18071457589227 23234731186149 41674994032299 54214372767681 97241652742031 125024982096897 162643118303043 291724958226093 375074946290691 680691569194217 875174874678279 2042074707582651 2625524624034837 6126224122747953 18378672368243859
• Sum of all divisors σ(n): 31953378593478960
• Sum of proper divisors (its aliquot sum) s(n): 13574706225235101
• 18378672368243859 is a deficient number, because the sum of its proper divisors (13574706225235101) is less than itself. Its deficiency is 4803966143008758

Bases of 18378672368243859

• Binary: 1000001010010110100111000011101111100111101010010010011₂
• Hexadecimal: 0x414B4E1DF3D493
• Base-36: 50YP1J0SKUR

Squares and roots of 18378672368243859

• 18378672368243859 squared (18378672368243859²) is 337775598019250336754035691211881
• 18378672368243859 cubed (18378672368243859³) is 6207867049983441315733466938432080157627446088779
• The square root of 18378672368243859 is 135567962.1748584779
• The cube root of 18378672368243859 is 263899.1827330335

Scales and comparisons

• 18,378,672,368,243,859 seconds is equal to 584,384,932 years, 17 weeks, 6 days, 4 hours, 37 minutes, 39 seconds.
• To count from 1 to 18,378,672,368,243,859 would take you about one billion, seven hundred fifty-three million, one hundred fifty-four thousand, seven hundred ninety-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 18378672368243859 cubic inches would be around 21991.6 feet tall.

Recreational maths with 18378672368243859

• 18378672368243859 backwards is 95834286327687381
• The number of decimal digits it has is: 17
• The sum of 18378672368243859's digits is 90
• More coming soon!