18231037500

Names of 18231037500

• Cardinal: 18231037500 can be written as Eighteen billion, two hundred thirty-one million, thirty-seven thousand, five hundred.

Scientific notation

• Scientific notation: 1.82310375 × 10¹⁰

Factors of 18231037500

• Number of distinct prime factors ω(n): 5
• Total number of prime factors Ω(n): 10
• Sum of prime factors: 37420

Divisors of 18231037500

• Number of divisors d(n): 144
• Complete list of divisors:
  1 2 3 4 5 6 10 12 13 15 20 25 26 30 39 50 52 60 65 75 78 100 125 130 150 156 195 250 260 300 325 375 390 500 625 650 750 780 975 1250 1300 1500 1625 1875 1950 2500 3125 3250 3750 3900 4875 6250 6500 7500 8125 9375 9750 12500 16250 18750 19500 24375 32500 37397 37500 40625 48750 74794 81250 97500 112191 121875 149588 162500 186985 224382 243750 373970 448764 486161 487500 560955 747940 934925 972322 1121910 1458483 1869850 1944644 2243820 2430805 2804775 2916966 3739700 4674625 4861610 5609550 5833932 7292415 9349250 9723220 11219100 12154025 14023875 14584830 18698500 23373125 24308050 28047750 29169660 36462075 46746250 48616100 56095500 60770125 70119375 72924150 93492500 116865625 121540250 140238750 145848300 182310375 233731250 243080500 280477500 303850625 350596875 364620750 467462500 607701250 701193750 729241500 911551875 1215402500 1402387500 1519253125 1823103750 3038506250 3646207500 4557759375 6077012500 9115518750 18231037500
• Sum of all divisors σ(n): 57262022496
• Sum of proper divisors (its aliquot sum) s(n): 39030984996
• 18231037500 is an abundant number, because the sum of its proper divisors (39030984996) is greater than itself. Its abundance is 20799947496

Bases of 18231037500

• Binary: 10000111110101001111000111000111100₂
• Hexadecimal: 0x43EA78E3C
• Base-36: 8DIAEKC

Squares and roots of 18231037500

• 18231037500 squared (18231037500²) is 332370728326406250000
• 18231037500 cubed (18231037500³) is 6059463212021024583984375000000
• The square root of 18231037500 is 135022.3592594945
• The cube root of 18231037500 is 2631.9065291329

Scales and comparisons

• 18,231,037,500 seconds is equal to 579 years, 35 weeks, 6 days, 9 hours, 5 minutes.
• To count from 1 to 18,231,037,500 would take you about one thousand, one hundred fifty-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 18231037500 cubic inches would be around 219.3 feet tall.

Recreational maths with 18231037500

• 18231037500 backwards is 00573013281
• 18231037500 is a Harshad number.
• The number of decimal digits it has is: 11
• The sum of 18231037500's digits is 30
• More coming soon!