18345890799

Names of 18345890799

• Cardinal: 18345890799 can be written as Eighteen billion, three hundred forty-five million, eight hundred ninety thousand, seven hundred ninety-nine.

Scientific notation

• Scientific notation: 1.8345890799 × 10¹⁰

Factors of 18345890799

• Number of distinct prime factors ω(n): 4
• Total number of prime factors Ω(n): 11
• Sum of prime factors: 104

Divisors of 18345890799

• Number of divisors d(n): 126
• Complete list of divisors:
  1 3 9 17 27 31 51 53 81 93 153 159 243 279 289 459 477 527 729 837 867 901 1377 1431 1581 1643 2511 2601 2703 2809 4131 4293 4743 4929 7533 7803 8109 8427 8959 12393 12879 14229 14787 15317 22599 23409 24327 25281 26877 27931 38637 42687 44361 45951 47753 70227 72981 75843 80631 83793 87079 128061 133083 137853 143259 210681 218943 227529 241893 251379 261237 384183 399249 413559 429777 474827 656829 682587 725679 754137 783711 811801 1197747 1240677 1289331 1424481 1480343 2047761 2177037 2262411 2351133 2435403 3722031 3867993 4273443 4441029 6531111 6787233 7053399 7306209 11166093 11603979 12820329 13323087 20361699 21160197 21918627 25165831 34811937 38460987 39969261 63480591 65755881 75497493 115382961 119907783 197267643 226492479 346148883 359723349 591802929 679477437 1079170047 2038432311 6115296933 18345890799
• Sum of all divisors σ(n): 30741840416
• Sum of proper divisors (its aliquot sum) s(n): 12395949617
• 18345890799 is a deficient number, because the sum of its proper divisors (12395949617) is less than itself. Its deficiency is 5949941182

Bases of 18345890799

• Binary: 10001000101100000000001001111101111₂
• Hexadecimal: 0x4458013EF
• Base-36: 8FEO3XR

Squares and roots of 18345890799

• 18345890799 squared (18345890799²) is 336571709208832858401
• 18345890799 cubed (18345890799³) is 6174707823178030306467775752399
• The square root of 18345890799 is 135447.0036545659
• The cube root of 18345890799 is 2637.4218593801

Scales and comparisons

• 18,345,890,799 seconds is equal to 583 years, 17 weeks, 5 days, 16 hours, 46 minutes, 39 seconds.
• To count from 1 to 18,345,890,799 would take you about one thousand, one hundred sixty-six 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 18345890799 cubic inches would be around 219.8 feet tall.

Recreational maths with 18345890799

• 18345890799 backwards is 99709854381
• The number of decimal digits it has is: 11
• The sum of 18345890799's digits is 63
• More coming soon!