20398248400

Names of 20398248400

• Cardinal: 20398248400 can be written as Twenty billion, three hundred ninety-eight million, two hundred forty-eight thousand, four hundred.

Scientific notation

• Scientific notation: 2.03982484 × 10¹⁰

Factors of 20398248400

• Number of distinct prime factors ω(n): 4
• Total number of prime factors Ω(n): 8
• Sum of prime factors: 305537

Divisors of 20398248400

• Number of divisors d(n): 60
• Complete list of divisors:
  1 2 4 5 8 10 16 20 25 40 50 80 100 167 200 334 400 668 835 1336 1670 2672 3340 4175 6680 8350 13360 16700 33400 66800 305363 610726 1221452 1526815 2442904 3053630 4885808 6107260 7634075 12214520 15268150 24429040 30536300 50995621 61072600 101991242 122145200 203982484 254978105 407964968 509956210 815929936 1019912420 1274890525 2039824840 2549781050 4079649680 5099562100 10199124200 20398248400
• Sum of all divisors σ(n): 49300407072
• Sum of proper divisors (its aliquot sum) s(n): 28902158672
• 20398248400 is an abundant number, because the sum of its proper divisors (28902158672) is greater than itself. Its abundance is 8503910272

Bases of 20398248400

• Binary: 10010111111110101001001000111010000₂
• Hexadecimal: 0x4BFD491D0
• Base-36: 9DCL974

Squares and roots of 20398248400

• 20398248400 squared (20398248400²) is 416088537788102560000
• 20398248400 cubed (20398248400³) is 8487477350194502583555904000000
• The square root of 20398248400 is 142822.4366127395
• The cube root of 20398248400 is 2732.3162102277

Scales and comparisons

• 20,398,248,400 seconds is equal to 648 years, 31 weeks, 1 day, 20 hours, 6 minutes, 40 seconds.
• To count from 1 to 20,398,248,400 would take you about one thousand, two hundred ninety-seven 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 20398248400 cubic inches would be around 227.7 feet tall.

Recreational maths with 20398248400

• 20398248400 backwards is 00484289302
• 20398248400 is a Harshad number.
• The number of decimal digits it has is: 11
• The sum of 20398248400's digits is 40
• More coming soon!