18348377992

Names of 18348377992

• Cardinal: 18348377992 can be written as Eighteen billion, three hundred forty-eight million, three hundred seventy-seven thousand, nine hundred ninety-two.

Scientific notation

• Scientific notation: 1.8348377992 × 10¹⁰

Factors of 18348377992

• Number of distinct prime factors ω(n): 4
• Total number of prime factors Ω(n): 8
• Sum of prime factors: 465

Divisors of 18348377992

• Number of divisors d(n): 64
• Complete list of divisors:
  1 2 4 7 8 14 28 56 97 194 359 388 679 718 776 1358 1436 2513 2716 2872 5026 5432 9409 10052 18818 20104 34823 37636 65863 69646 75272 131726 139292 243761 263452 278584 487522 526904 912673 975044 1825346 1950088 3377831 3650692 6388711 6755662 7301384 12777422 13511324 23644817 25554844 27022648 47289634 51109688 94579268 189158536 327649607 655299214 1310598428 2293547249 2621196856 4587094498 9174188996 18348377992
• Sum of all divisors σ(n): 39838176000
• Sum of proper divisors (its aliquot sum) s(n): 21489798008
• 18348377992 is an abundant number, because the sum of its proper divisors (21489798008) is greater than itself. Its abundance is 3141420016

Bases of 18348377992

• Binary: 10001000101101001100000011110001000₂
• Hexadecimal: 0x445A60788
• Base-36: 8FG5F2G

Squares and roots of 18348377992

• 18348377992 squared (18348377992²) is 336662974937309952064
• 18348377992 cubed (18348377992³) is 6177219520060985504133672575488
• The square root of 18348377992 is 135456.1847683597
• The cube root of 18348377992 is 2637.5410410331

Scales and comparisons

• 18,348,377,992 seconds is equal to 583 years, 21 weeks, 6 days, 11 hours, 39 minutes, 52 seconds.
• To count from 1 to 18,348,377,992 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 18348377992 cubic inches would be around 219.8 feet tall.

Recreational maths with 18348377992

• 18348377992 backwards is 29977384381
• The number of decimal digits it has is: 11
• The sum of 18348377992's digits is 61
• More coming soon!