20726645760

Names of 20726645760

• Cardinal: 20726645760 can be written as Twenty billion, seven hundred twenty-six million, six hundred forty-five thousand, seven hundred sixty.

Scientific notation

• Scientific notation: 2.072664576 × 10¹⁰

Factors of 20726645760

• Number of distinct prime factors ω(n): 4
• Total number of prime factors Ω(n): 14
• Sum of prime factors: 449807

Divisors of 20726645760

• Number of divisors d(n): 132
• Complete list of divisors:
  1 2 3 4 5 6 8 9 10 12 15 16 18 20 24 30 32 36 40 45 48 60 64 72 80 90 96 120 128 144 160 180 192 240 256 288 320 360 384 480 512 576 640 720 768 960 1024 1152 1280 1440 1536 1920 2304 2560 2880 3072 3840 4608 5120 5760 7680 9216 11520 15360 23040 46080 449797 899594 1349391 1799188 2248985 2698782 3598376 4048173 4497970 5397564 6746955 7196752 8096346 8995940 10795128 13493910 14393504 16192692 17991880 20240865 21590256 26987820 28787008 32385384 35983760 40481730 43180512 53975640 57574016 64770768 71967520 80963460 86361024 107951280 115148032 129541536 143935040 161926920 172722048 215902560 230296064 259083072 287870080 323853840 345444096 431805120 460592128 518166144 575740160 647707680 690888192 863610240 1036332288 1151480320 1295415360 1381776384 1727220480 2072664576 2302960640 2590830720 3454440960 4145329152 5181661440 6908881920 10363322880 20726645760
• Sum of all divisors σ(n): 71817447468
• Sum of proper divisors (its aliquot sum) s(n): 51090801708
• 20726645760 is an abundant number, because the sum of its proper divisors (51090801708) is greater than itself. Its abundance is 30364155948

Bases of 20726645760

• Binary: 10011010011011001111000010000000000₂
• Hexadecimal: 0x4D3678400
• Base-36: 9IS3Y80

Squares and roots of 20726645760

• 20726645760 squared (20726645760²) is 429593844460525977600
• 20726645760 cubed (20726645760³) is 8904039434809860240992894976000
• The square root of 20726645760 is 143967.5163361513
• The cube root of 20726645760 is 2746.9010053413

Scales and comparisons

• 20,726,645,760 seconds is equal to 659 years, 2 weeks, 1 day, 17 hours, 36 minutes.
• To count from 1 to 20,726,645,760 would take you about one thousand, three hundred eighteen 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 20726645760 cubic inches would be around 228.9 feet tall.

Recreational maths with 20726645760

• 20726645760 backwards is 06754662702
• 20726645760 is a Harshad number.
• The number of decimal digits it has is: 11
• The sum of 20726645760's digits is 45
• More coming soon!