20421667584

Names of 20421667584

• Cardinal: 20421667584 can be written as Twenty billion, four hundred twenty-one million, six hundred sixty-seven thousand, five hundred eighty-four.

Scientific notation

• Scientific notation: 2.0421667584 × 10¹⁰

Factors of 20421667584

• Number of distinct prime factors ω(n): 4
• Total number of prime factors Ω(n): 12
• Sum of prime factors: 15545

Divisors of 20421667584

• Number of divisors d(n): 108
• Complete list of divisors:
  1 2 3 4 6 8 9 12 16 18 24 32 36 48 64 72 96 128 144 192 256 288 384 576 593 768 1152 1186 1779 2304 2372 3558 4744 5337 7116 9488 10674 14232 14947 18976 21348 28464 29894 37952 42696 44841 56928 59788 75904 85392 89682 113856 119576 134523 151808 170784 179364 227712 239152 269046 341568 358728 455424 478304 538092 683136 717456 956608 1076184 1366272 1434912 1913216 2152368 2869824 3826432 4304736 5739648 8609472 8863571 11479296 17218944 17727142 26590713 34437888 35454284 53181426 70908568 79772139 106362852 141817136 159544278 212725704 283634272 319088556 425451408 567268544 638177112 850902816 1134537088 1276354224 1701805632 2269074176 2552708448 3403611264 5105416896 6807222528 10210833792 20421667584
• Sum of all divisors σ(n): 58983941016
• Sum of proper divisors (its aliquot sum) s(n): 38562273432
• 20421667584 is an abundant number, because the sum of its proper divisors (38562273432) is greater than itself. Its abundance is 18140605848

Bases of 20421667584

• Binary: 10011000001001110011110101100000000₂
• Hexadecimal: 0x4C139EB00
• Base-36: 9DQJ7K0

Squares and roots of 20421667584

• 20421667584 squared (20421667584²) is 417044506911396397056
• 20421667584 cubed (20421667584³) is 8516744287877727761932908232704
• The square root of 20421667584 is 142904.4001561883
• The cube root of 20421667584 is 2733.3614657161

Scales and comparisons

• 20,421,667,584 seconds is equal to 649 years, 17 weeks, 6 days, 21 hours, 26 minutes, 24 seconds.
• To count from 1 to 20,421,667,584 would take you about one thousand, two hundred ninety-eight 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 20421667584 cubic inches would be around 227.8 feet tall.

Recreational maths with 20421667584

• 20421667584 backwards is 48576612402
• The number of decimal digits it has is: 11
• The sum of 20421667584's digits is 45
• More coming soon!