18409393750

Names of 18409393750

• Cardinal: 18409393750 can be written as Eighteen billion, four hundred nine million, three hundred ninety-three thousand, seven hundred fifty.

Scientific notation

• Scientific notation: 1.840939375 × 10¹⁰

Factors of 18409393750

• Number of distinct prime factors ω(n): 4
• Total number of prime factors Ω(n): 10
• Sum of prime factors: 2231

Divisors of 18409393750

• Number of divisors d(n): 96
• Complete list of divisors:
  1 2 5 10 11 22 25 50 55 110 121 125 242 250 275 550 605 625 1210 1250 1331 1375 2213 2662 2750 3025 3125 4426 6050 6250 6655 6875 11065 13310 13750 15125 22130 24343 30250 33275 34375 48686 55325 66550 68750 75625 110650 121715 151250 166375 243430 267773 276625 332750 378125 535546 553250 608575 756250 831875 1217150 1338865 1383125 1663750 2677730 2766250 2945503 3042875 4159375 5891006 6085750 6694325 6915625 8318750 13388650 13831250 14727515 15214375 29455030 30428750 33471625 66943250 73637575 76071875 147275150 152143750 167358125 334716250 368187875 736375750 836790625 1673581250 1840939375 3681878750 9204696875 18409393750
• Sum of all divisors σ(n): 37981506528
• Sum of proper divisors (its aliquot sum) s(n): 19572112778
• 18409393750 is an abundant number, because the sum of its proper divisors (19572112778) is greater than itself. Its abundance is 1162719028

Bases of 18409393750

• Binary: 10001001001010010010000111001010110₂
• Hexadecimal: 0x449490E56
• Base-36: 8GGH74M

Squares and roots of 18409393750

• 18409393750 squared (18409393750²) is 338905778242539062500
• 18409393750 cubed (18409393750³) is 6239049915817084601318359375000
• The square root of 18409393750 is 135681.2210661445
• The cube root of 18409393750 is 2640.4614355465

Scales and comparisons

• 18,409,393,750 seconds is equal to 585 years, 18 weeks, 5 days, 16 hours, 29 minutes, 10 seconds.
• To count from 1 to 18,409,393,750 would take you about one thousand, one hundred seventy 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 18409393750 cubic inches would be around 220 feet tall.

Recreational maths with 18409393750

• 18409393750 backwards is 05739390481
• The number of decimal digits it has is: 11
• The sum of 18409393750's digits is 49
• More coming soon!