20289316878090

Names of 20289316878090

• Cardinal: 20289316878090 can be written as Twenty trillion, two hundred eighty-nine billion, three hundred sixteen million, eight hundred seventy-eight thousand and ninety.

Scientific notation

• Scientific notation: 2.028931687809 × 10¹³

Factors of 20289316878090

• Number of distinct prime factors ω(n): 5
• Total number of prime factors Ω(n): 7
• Sum of prime factors: 5780432182

Divisors of 20289316878090

• Number of divisors d(n): 64
• Complete list of divisors:
  1 2 3 5 6 9 10 13 15 18 26 27 30 39 45 54 65 78 90 117 130 135 195 234 270 351 390 585 702 1170 1755 3510 5780432159 11560864318 17341296477 28902160795 34682592954 52023889431 57804321590 75145618067 86706482385 104047778862 150291236134 156071668293 173412964770 225436854201 260119447155 312143336586 375728090335 450873708402 520238894310 676310562603 751456180670 780358341465 1127184271005 1352621125206 1560716682930 2028931687809 2254368542010 3381552813015 4057863375618 6763105626030 10144658439045 20289316878090
• Sum of all divisors σ(n): 58266756172800
• Sum of proper divisors (its aliquot sum) s(n): 37977439294710
• 20289316878090 is an abundant number, because the sum of its proper divisors (37977439294710) is greater than itself. Its abundance is 17688122416620

Bases of 20289316878090

• Binary: 100100111001111111001100001100111011100001010₂
• Hexadecimal: 0x1273F986770A
• Base-36: 76WS7EXAI

Squares and roots of 20289316878090

• 20289316878090 squared (20289316878090²) is 411656379379547743922048100
• 20289316878090 cubed (20289316878090³) is 8352226726118878282908591728610816129000
• The square root of 20289316878090 is 4504366.4236038791
• The cube root of 20289316878090 is 27274.4378606323

Scales and comparisons

• 20,289,316,878,090 seconds is equal to 645,137 years, 26 weeks, 6 days, 11 hours, 1 minute, 30 seconds.
• To count from 1 to 20,289,316,878,090 would take you about one million, six hundred twelve thousand, eight hundred forty-three 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 20289316878090 cubic inches would be around 2272.9 feet tall.

Recreational maths with 20289316878090

• 20289316878090 backwards is 09087861398202
• The number of decimal digits it has is: 14
• The sum of 20289316878090's digits is 63
• More coming soon!