20406742464

Names of 20406742464

• Cardinal: 20406742464 can be written as Twenty billion, four hundred six million, seven hundred forty-two thousand, four hundred sixty-four.

Scientific notation

• Scientific notation: 2.0406742464 × 10¹⁰

Factors of 20406742464

• Number of distinct prime factors ω(n): 4
• Total number of prime factors Ω(n): 9
• Sum of prime factors: 24903

Divisors of 20406742464

• Number of divisors d(n): 56
• Complete list of divisors:
  1 2 3 4 6 8 12 16 24 32 48 64 96 192 5471 10942 16413 19427 21884 32826 38854 43768 58281 65652 77708 87536 116562 131304 155416 175072 233124 262608 310832 350144 466248 525216 621664 932496 1050432 1243328 1864992 3729984 106285117 212570234 318855351 425140468 637710702 850280936 1275421404 1700561872 2550842808 3401123744 5101685616 6802247488 10203371232 20406742464
• Sum of all divisors σ(n): 54005488128
• Sum of proper divisors (its aliquot sum) s(n): 33598745664
• 20406742464 is an abundant number, because the sum of its proper divisors (33598745664) is greater than itself. Its abundance is 13192003200

Bases of 20406742464

• Binary: 10011000000010101100010110111000000₂
• Hexadecimal: 0x4C0562DC0
• Base-36: 9DHNB9C

Squares and roots of 20406742464

• 20406742464 squared (20406742464²) is 416435137992020791296
• 20406742464 cubed (20406742464³) is 8498084613963470374910964793344
• The square root of 20406742464 is 142852.1699660177
• The cube root of 20406742464 is 2732.6954135073

Scales and comparisons

• 20,406,742,464 seconds is equal to 648 years, 45 weeks, 2 days, 3 hours, 34 minutes, 24 seconds.
• To count from 1 to 20,406,742,464 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 20406742464 cubic inches would be around 227.7 feet tall.

Recreational maths with 20406742464

• 20406742464 backwards is 46424760402
• The number of decimal digits it has is: 11
• The sum of 20406742464's digits is 39
• More coming soon!