20949968940

Names of 20949968940

• Cardinal: 20949968940 can be written as Twenty billion, nine hundred forty-nine million, nine hundred sixty-eight thousand, nine hundred forty.

Scientific notation

• Scientific notation: 2.094996894 × 10¹⁰

Factors of 20949968940

• Number of distinct prime factors ω(n): 7
• Total number of prime factors Ω(n): 8
• Sum of prime factors: 1174

Divisors of 20949968940

• Number of divisors d(n): 192
• Complete list of divisors:
  1 2 3 4 5 6 10 12 15 20 30 43 47 60 86 94 129 141 172 188 197 215 235 258 282 394 430 470 516 564 591 645 705 788 860 877 940 985 1182 1290 1410 1754 1970 2021 2364 2580 2631 2820 2955 3508 3940 4042 4385 5262 5910 6063 8084 8471 8770 9259 10105 10524 11820 12126 13155 16942 17540 18518 20210 24252 25413 26310 27777 30315 33884 37036 37711 40420 41219 42355 46295 50826 52620 55554 60630 75422 82438 84710 92590 101652 111108 113133 121260 123657 127065 138885 150844 164876 169420 172769 185180 188555 206095 226266 247314 254130 277770 345538 377110 398137 412190 452532 494628 508260 518307 555540 565665 618285 691076 754220 796274 824380 863845 1036614 1131330 1194411 1236570 1592548 1727690 1772417 1990685 2073228 2262660 2388822 2473140 2591535 3455380 3544834 3981370 4777644 5183070 5317251 5972055 7089668 7429067 7962740 8120143 8862085 10366140 10634502 11944110 14858134 16240286 17724170 21269004 22287201 23888220 24360429 26586255 29716268 32480572 35448340 37145335 40600715 44574402 48720858 53172510 74290670 81201430 89148804 97441716 106345020 111436005 121802145 148581340 162402860 222872010 243604290 349166149 445744020 487208580 698332298 1047498447 1396664596 1745830745 2094996894 3491661490 4189993788 5237492235 6983322980 10474984470 20949968940
• Sum of all divisors σ(n): 61682632704
• Sum of proper divisors (its aliquot sum) s(n): 40732663764
• 20949968940 is an abundant number, because the sum of its proper divisors (40732663764) is greater than itself. Its abundance is 19782694824

Bases of 20949968940

• Binary: 10011100000101101110010100000101100₂
• Hexadecimal: 0x4E0B7282C
• Base-36: 9MH2JHO

Squares and roots of 20949968940

• 20949968940 squared (20949968940²) is 438901198586964723600
• 20949968940 cubed (20949968940³) is 9194966478125682848295684984000
• The square root of 20949968940 is 144741.0409662719
• The cube root of 20949968940 is 2756.7314515635

Scales and comparisons

• 20,949,968,940 seconds is equal to 666 years, 7 weeks, 3 days, 11 hours, 49 minutes.
• To count from 1 to 20,949,968,940 would take you about one thousand, three hundred thirty-two 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 20949968940 cubic inches would be around 229.7 feet tall.

Recreational maths with 20949968940

• 20949968940 backwards is 04986994902
• 20949968940 is a Harshad number.
• The number of decimal digits it has is: 11
• The sum of 20949968940's digits is 60
• More coming soon!