18108813536

Names of 18108813536

• Cardinal: 18108813536 can be written as Eighteen billion, one hundred eight million, eight hundred thirteen thousand, five hundred thirty-six.

Scientific notation

• Scientific notation: 1.8108813536 × 10¹⁰

Factors of 18108813536

• Number of distinct prime factors ω(n): 5
• Total number of prime factors Ω(n): 10
• Sum of prime factors: 630

Divisors of 18108813536

• Number of divisors d(n): 144
• Complete list of divisors:
  1 2 4 8 11 16 22 32 44 88 107 109 121 176 214 218 242 352 401 428 436 484 802 856 872 968 1177 1199 1604 1712 1744 1936 2354 2398 3208 3424 3488 3872 4411 4708 4796 6416 8822 9416 9592 11663 12832 12947 13189 17644 18832 19184 23326 25894 26378 35288 37664 38368 42907 43709 46652 48521 51788 52756 70576 85814 87418 93304 97042 103576 105512 128293 141152 171628 174836 186608 194084 207152 211024 256586 343256 349672 373216 388168 414304 422048 471977 480799 513172 686512 699344 776336 943954 961598 1026344 1373024 1398688 1411223 1552672 1887908 1923196 2052688 2822446 3775816 3846392 4105376 4676863 5191747 5288789 5644892 7551632 7692784 9353726 10383494 10577578 11289784 15103264 15385568 18707452 20766988 21155156 22579568 37414904 41533976 42310312 45159136 51445493 74829808 83067952 84620624 102890986 149659616 166135904 169241248 205781972 411563944 565900423 823127888 1131800846 1646255776 2263601692 4527203384 9054406768 18108813536
• Sum of all divisors σ(n): 40016093040
• Sum of proper divisors (its aliquot sum) s(n): 21907279504
• 18108813536 is an abundant number, because the sum of its proper divisors (21907279504) is greater than itself. Its abundance is 3798465968

Bases of 18108813536

• Binary: 10000110111010111101001000011100000₂
• Hexadecimal: 0x4375E90E0
• Base-36: 8BHIPY8

Squares and roots of 18108813536

• 18108813536 squared (18108813536²) is 327929127681616823296
• 18108813536 cubed (18108813536³) is 5938407426209535028067924934656
• The square root of 18108813536 is 134568.9917328653
• The cube root of 18108813536 is 2626.0117538323

Scales and comparisons

• 18,108,813,536 seconds is equal to 575 years, 41 weeks, 5 days, 17 hours, 58 minutes, 56 seconds.
• To count from 1 to 18,108,813,536 would take you about one thousand, one hundred fifty-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 18108813536 cubic inches would be around 218.8 feet tall.

Recreational maths with 18108813536

• 18108813536 backwards is 63531880181
• 18108813536 is a Harshad number.
• The number of decimal digits it has is: 11
• The sum of 18108813536's digits is 44
• More coming soon!