20964791680

Names of 20964791680

• Cardinal: 20964791680 can be written as Twenty billion, nine hundred sixty-four million, seven hundred ninety-one thousand, six hundred eighty.

Scientific notation

• Scientific notation: 2.096479168 × 10¹⁰

Factors of 20964791680

• Number of distinct prime factors ω(n): 6
• Total number of prime factors Ω(n): 12
• Sum of prime factors: 2005

Divisors of 20964791680

• Number of divisors d(n): 256
• Complete list of divisors:
  1 2 4 5 7 8 10 14 16 17 20 28 32 34 35 40 56 64 68 70 80 85 112 119 128 136 140 151 160 170 224 238 272 280 302 320 340 448 476 544 560 595 604 640 680 755 896 952 1057 1088 1120 1190 1208 1360 1510 1823 1904 2114 2176 2240 2380 2416 2567 2720 3020 3646 3808 4228 4480 4760 4832 5134 5285 5440 6040 7292 7616 8456 9115 9520 9664 10268 10570 10880 12080 12761 12835 14584 15232 16912 17969 18230 19040 19328 20536 21140 24160 25522 25670 29168 30991 33824 35938 36460 38080 41072 42280 48320 51044 51340 58336 61982 63805 67648 71876 72920 76160 82144 84560 89845 96640 102088 102680 116672 123964 127610 135296 143752 145840 154955 164288 169120 179690 204176 205360 216937 233344 247928 255220 275273 287504 291680 309910 328576 338240 359380 408352 410720 433874 495856 510440 550546 575008 583360 619820 676480 718760 816704 821440 867748 991712 1020880 1084685 1101092 1150016 1166720 1239640 1376365 1437520 1633408 1642880 1735496 1926911 1983424 2041760 2169370 2202184 2300032 2479280 2752730 2875040 3470992 3853822 3966848 4083520 4338740 4404368 4679641 4958560 5505460 5750080 6941984 7707644 8167040 8677480 8808736 9359282 9634555 9917120 11010920 11500160 13883968 15415288 17354960 17617472 18718564 19269110 19834240 22021840 23398205 27767936 30830576 32757487 34709920 35234944 37437128 38538220 44043680 46796410 61661152 65514974 69419840 74874256 77076440 88087360 93592820 123322304 131029948 138839680 149748512 154152880 163787435 176174720 187185640 246644608 262059896 299497024 308305760 327574870 374371280 524119792 598994048 616611520 655149740 748742560 1048239584 1233223040 1310299480 1497485120 2096479168 2620598960 2994970240 4192958336 5241197920 10482395840 20964791680
• Sum of all divisors σ(n): 61083279360
• Sum of proper divisors (its aliquot sum) s(n): 40118487680
• 20964791680 is an abundant number, because the sum of its proper divisors (40118487680) is greater than itself. Its abundance is 19153696000

Bases of 20964791680

• Binary: 10011100001100110010101010110000000₂
• Hexadecimal: 0x4E1995580
• Base-36: 9MPW8SG

Squares and roots of 20964791680

• 20964791680 squared (20964791680²) is 439522490185797222400
• 20964791680 cubed (20964791680³) is 9214497445420083262338629632000
• The square root of 20964791680 is 144792.2362559539
• The cube root of 20964791680 is 2757.3814553949

Scales and comparisons

• 20,964,791,680 seconds is equal to 666 years, 32 weeks, 1 hour, 14 minutes, 40 seconds.
• To count from 1 to 20,964,791,680 would take you about one thousand, three hundred thirty-three 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 20964791680 cubic inches would be around 229.8 feet tall.

Recreational maths with 20964791680

• 20964791680 backwards is 08619746902
• The number of decimal digits it has is: 11
• The sum of 20964791680's digits is 52
• More coming soon!