20642655320

Names of 20642655320

• Cardinal: 20642655320 can be written as Twenty billion, six hundred forty-two million, six hundred fifty-five thousand, three hundred twenty.

Scientific notation

• Scientific notation: 2.064265532 × 10¹⁰

Factors of 20642655320

• Number of distinct prime factors ω(n): 5
• Total number of prime factors Ω(n): 8
• Sum of prime factors: 13406

Divisors of 20642655320

• Number of divisors d(n): 96
• Complete list of divisors:
  1 2 4 5 7 8 10 14 20 28 35 40 49 56 70 98 140 196 245 280 392 490 839 980 1678 1960 3356 4195 5873 6712 8390 11746 12553 16780 23492 25106 29365 33560 41111 46984 50212 58730 62765 82222 87871 100424 117460 125530 164444 175742 205555 234920 251060 328888 351484 411110 439355 502120 615097 702968 822220 878710 1230194 1644440 1757420 2460388 3075485 3514840 4920776 6150970 10531967 12301940 21063934 24603880 42127868 52659835 73723769 84255736 105319670 147447538 210639340 294895076 368618845 421278680 516066383 589790152 737237690 1032132766 1474475380 2064265532 2580331915 2948950760 4128531064 5160663830 10321327660 20642655320
• Sum of all divisors σ(n): 54097696800
• Sum of proper divisors (its aliquot sum) s(n): 33455041480
• 20642655320 is an abundant number, because the sum of its proper divisors (33455041480) is greater than itself. Its abundance is 12812386160

Bases of 20642655320

• Binary: 10011001110011001011110110001011000₂
• Hexadecimal: 0x4CE65EC58
• Base-36: 9HE3QS8

Squares and roots of 20642655320

• 20642655320 squared (20642655320²) is 426119218660324302400
• 20642655320 cubed (20642655320³) is 8796232156032786733862648768000
• The square root of 20642655320 is 143675.5209491165
• The cube root of 20642655320 is 2743.1855662923

Scales and comparisons

• 20,642,655,320 seconds is equal to 656 years, 19 weeks, 2 days, 14 hours, 55 minutes, 20 seconds.
• To count from 1 to 20,642,655,320 would take you about one thousand, three hundred twelve 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 20642655320 cubic inches would be around 228.6 feet tall.

Recreational maths with 20642655320

• 20642655320 backwards is 02355624602
• 20642655320 is a Harshad number.
• The number of decimal digits it has is: 11
• The sum of 20642655320's digits is 35
• More coming soon!