20916329984

Names of 20916329984

• Cardinal: 20916329984 can be written as Twenty billion, nine hundred sixteen million, three hundred twenty-nine thousand, nine hundred eighty-four.

Scientific notation

• Scientific notation: 2.0916329984 × 10¹⁰

Factors of 20916329984

• Number of distinct prime factors ω(n): 4
• Total number of prime factors Ω(n): 12
• Sum of prime factors: 218491

Divisors of 20916329984

• Number of divisors d(n): 80
• Complete list of divisors:
  1 2 4 8 11 16 17 22 32 34 44 64 68 88 128 136 176 187 256 272 352 374 512 544 704 748 1088 1408 1496 2176 2816 2992 4352 5632 5984 8704 11968 23936 47872 95744 218461 436922 873844 1747688 2403071 3495376 3713837 4806142 6990752 7427674 9612284 13981504 14855348 19224568 27963008 29710696 38449136 40852207 55926016 59421392 76898272 81704414 111852032 118842784 153796544 163408828 237685568 307593088 326817656 475371136 615186176 653635312 950742272 1230372352 1307270624 1901484544 2614541248 5229082496 10458164992 20916329984
• Sum of all divisors σ(n): 48273111216
• Sum of proper divisors (its aliquot sum) s(n): 27356781232
• 20916329984 is an abundant number, because the sum of its proper divisors (27356781232) is greater than itself. Its abundance is 6440451248

Bases of 20916329984

• Binary: 10011011110101101011101111000000000₂
• Hexadecimal: 0x4DEB5DE00
• Base-36: 9LX1JI8

Squares and roots of 20916329984

• 20916329984 squared (20916329984²) is 437492859999577440256
• 20916329984 cubed (20916329984³) is 9150745025395075840956541435904
• The square root of 20916329984 is 144624.7903507555
• The cube root of 20916329984 is 2755.2551845251

Scales and comparisons

• 20,916,329,984 seconds is equal to 665 years, 3 weeks, 6 days, 3 hours, 39 minutes, 44 seconds.
• To count from 1 to 20,916,329,984 would take you about one thousand, three hundred thirty 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 20916329984 cubic inches would be around 229.6 feet tall.

Recreational maths with 20916329984

• 20916329984 backwards is 48992361902
• The number of decimal digits it has is: 11
• The sum of 20916329984's digits is 53
• More coming soon!