18419137250

Names of 18419137250

• Cardinal: 18419137250 can be written as Eighteen billion, four hundred nineteen million, one hundred thirty-seven thousand, two hundred fifty.

Scientific notation

• Scientific notation: 1.841913725 × 10¹⁰

Factors of 18419137250

• Number of distinct prime factors ω(n): 4
• Total number of prime factors Ω(n): 8
• Sum of prime factors: 1117

Divisors of 18419137250

• Number of divisors d(n): 64
• Complete list of divisors:
  1 2 5 10 25 41 50 82 125 205 250 410 1025 1069 1681 2050 2138 3362 5125 5345 8405 10250 10690 16810 26725 42025 43829 53450 68921 84050 87658 133625 137842 210125 219145 267250 344605 420250 438290 689210 1095725 1723025 1796989 2191450 3446050 3593978 5478625 8615125 8984945 10957250 17230250 17969890 44924725 73676549 89849450 147353098 224623625 368382745 449247250 736765490 1841913725 3683827450 9209568625 18419137250
• Sum of all divisors σ(n): 35375689440
• Sum of proper divisors (its aliquot sum) s(n): 16956552190
• 18419137250 is a deficient number, because the sum of its proper divisors (16956552190) is less than itself. Its deficiency is 1462585060

Bases of 18419137250

• Binary: 10001001001110111011011101011100010₂
• Hexadecimal: 0x449DDBAE2
• Base-36: 8GMA19E

Squares and roots of 18419137250

• 18419137250 squared (18419137250²) is 339264617034337562500
• 18419137250 cubed (18419137250³) is 6248961545224151526517953125000
• The square root of 18419137250 is 135717.1221696069
• The cube root of 18419137250 is 2640.9271904899

Scales and comparisons

• 18,419,137,250 seconds is equal to 585 years, 34 weeks, 6 days, 11 hours, 50 seconds.
• To count from 1 to 18,419,137,250 would take you about one thousand, one hundred seventy-one 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 18419137250 cubic inches would be around 220.1 feet tall.

Recreational maths with 18419137250

• 18419137250 backwards is 05273191481
• 18419137250 is a Harshad number.
• The number of decimal digits it has is: 11
• The sum of 18419137250's digits is 41
• More coming soon!