18355870437939

Names of 18355870437939

• Cardinal: 18355870437939 can be written as Eighteen trillion, three hundred fifty-five billion, eight hundred seventy million, four hundred thirty-seven thousand, nine hundred thirty-nine.

Scientific notation

• Scientific notation: 1.8355870437939 × 10¹³

Factors of 18355870437939

• Number of distinct prime factors ω(n): 2
• Total number of prime factors Ω(n): 12
• Sum of prime factors: 980

Divisors of 18355870437939

• Number of divisors d(n): 40
• Complete list of divisors:
  1 3 9 27 81 243 729 977 2187 2931 6561 8793 19683 26379 79137 237411 712233 954529 2136699 2863587 6410097 8590761 19230291 25772283 77316849 231950547 695851641 932574833 2087554923 2797724499 6262664769 8393173497 18787994307 25179520491 75538561473 226615684419 679847053257 2039541159771 6118623479313 18355870437939
• Sum of all divisors σ(n): 27561549758160
• Sum of proper divisors (its aliquot sum) s(n): 9205679320221
• 18355870437939 is a deficient number, because the sum of its proper divisors (9205679320221) is less than itself. Its deficiency is 9150191117718

Bases of 18355870437939

• Binary: 100001011000111001111001000110001001000110011₂
• Hexadecimal: 0x10B1CF231233
• Base-36: 6I8KJBO6R

Squares and roots of 18355870437939

• 18355870437939 squared (18355870437939²) is 336937979534402895650567721
• 18355870437939 cubed (18355870437939³) is 6184789897954441899502256231186247167019
• The square root of 18355870437939 is 4284375.1514006101
• 18355870437939 is a perfect cube number. Its cube root is 26379

Scales and comparisons

• 18,355,870,437,939 seconds is equal to 583,659 years, 46 weeks, 6 days, 3 hours, 25 minutes, 39 seconds.
• To count from 1 to 18,355,870,437,939 would take you about one million, four hundred fifty-nine thousand, one hundred forty-nine 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 18355870437939 cubic inches would be around 2198.3 feet tall.

Recreational maths with 18355870437939

• 18355870437939 backwards is 93973407855381
• The number of decimal digits it has is: 14
• The sum of 18355870437939's digits is 72
• More coming soon!