18378784227328

Names of 18378784227328

• Cardinal: 18378784227328 can be written as Eighteen trillion, three hundred seventy-eight billion, seven hundred eighty-four million, two hundred twenty-seven thousand, three hundred twenty-eight.

Scientific notation

• Scientific notation: 1.8378784227328 × 10¹³

Factors of 18378784227328

• Number of distinct prime factors ω(n): 3
• Total number of prime factors Ω(n): 17
• Sum of prime factors: 12668

Divisors of 18378784227328

• Number of divisors d(n): 90
• Complete list of divisors:
  1 2 4 7 8 14 16 28 32 56 64 112 128 224 256 448 512 896 1024 1792 2048 3584 4096 7168 8192 12659 14336 16384 25318 28672 50636 57344 88613 101272 114688 177226 202544 354452 405088 708904 810176 1417808 1620352 2835616 3240704 5671232 6481408 11342464 12962816 22684928 25925632 45369856 51851264 90739712 103702528 160250281 181479424 207405056 320500562 362958848 641001124 725917696 1121751967 1282002248 1451835392 2243503934 2564004496 4487007868 5128008992 8974015736 10256017984 17948031472 20512035968 35896062944 41024071936 71792125888 82048143872 143584251776 164096287744 287168503552 328192575488 574337007104 656385150976 1148674014208 1312770301952 2297348028416 2625540603904 4594696056832 9189392113664 18378784227328
• Sum of all divisors σ(n): 42010686301976
• Sum of proper divisors (its aliquot sum) s(n): 23631902074648
• 18378784227328 is an abundant number, because the sum of its proper divisors (23631902074648) is greater than itself. Its abundance is 5253117847320

Bases of 18378784227328

• Binary: 100001011011100100100111001111100000000000000₂
• Hexadecimal: 0x10B724E7C000
• Base-36: 6IJ3HLP8G

Squares and roots of 18378784227328

• 18378784227328 squared (18378784227328²) is 337779709674680469982019584
• 18378784227328 cubed (18378784227328³) is 6207980400480448467743783698178403991552
• The square root of 18378784227328 is 4287048.4283861315
• The cube root of 18378784227328 is 26389.9718126457

Scales and comparisons

• 18,378,784,227,328 seconds is equal to 584,388 years, 25 weeks, 3 days, 55 minutes, 28 seconds.
• To count from 1 to 18,378,784,227,328 would take you about one million, four hundred sixty thousand, nine hundred seventy-one 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 18378784227328 cubic inches would be around 2199.2 feet tall.

Recreational maths with 18378784227328

• 18378784227328 backwards is 82372248787381
• The number of decimal digits it has is: 14
• The sum of 18378784227328's digits is 70
• More coming soon!