20805509200

Names of 20805509200

• Cardinal: 20805509200 can be written as Twenty billion, eight hundred five million, five hundred nine thousand, two hundred.

Scientific notation

• Scientific notation: 2.08055092 × 10¹⁰

Factors of 20805509200

• Number of distinct prime factors ω(n): 6
• Total number of prime factors Ω(n): 10
• Sum of prime factors: 1783

Divisors of 20805509200

• Number of divisors d(n): 240
• Complete list of divisors:
  1 2 4 5 7 8 10 14 16 19 20 25 28 35 38 40 50 56 70 76 80 95 100 112 133 140 152 175 190 200 263 266 280 304 350 380 400 475 526 532 560 665 700 760 950 1052 1064 1315 1330 1400 1487 1520 1841 1900 2104 2128 2630 2660 2800 2974 3325 3682 3800 4208 4997 5260 5320 5948 6575 6650 7364 7435 7600 9205 9994 10409 10520 10640 11896 13150 13300 14728 14870 18410 19988 20818 21040 23792 24985 26300 26600 28253 29456 29740 34979 36820 37175 39976 41636 46025 49970 52045 52600 53200 56506 59480 69958 73640 74350 79952 83272 92050 99940 104090 105200 113012 118960 124925 139916 141265 147280 148700 166544 174895 184100 197771 199880 208180 226024 249850 260225 279832 282530 297400 349790 368200 391081 395542 399760 416360 452048 499700 520450 559664 565060 594800 699580 706325 736400 782162 791084 832720 874475 988855 999400 1040900 1130120 1399160 1412650 1564324 1582168 1748950 1955405 1977710 1998800 2081800 2260240 2737567 2798320 2825300 3128648 3164336 3497900 3910810 3955420 4163600 4944275 5475134 5650600 6257296 6995800 7430539 7821620 7910840 9777025 9888550 10950268 11301200 13687835 13991600 14861078 15643240 15821680 19554050 19777100 21900536 27375670 29722156 31286480 37152695 39108100 39554200 43801072 52013773 54751340 59444312 68439175 74305390 78216200 79108400 104027546 109502680 118888624 136878350 148610780 156432400 185763475 208055092 219005360 260068865 273756700 297221560 371526950 416110184 520137730 547513400 594443120 743053900 832220368 1040275460 1095026800 1300344325 1486107800 2080550920 2600688650 2972215600 4161101840 5201377300 10402754600 20805509200
• Sum of all divisors σ(n): 60401848320
• Sum of proper divisors (its aliquot sum) s(n): 39596339120
• 20805509200 is an abundant number, because the sum of its proper divisors (39596339120) is greater than itself. Its abundance is 18790829920

Bases of 20805509200

• Binary: 10011011000000110101110000001010000₂
• Hexadecimal: 0x4D81AE050
• Base-36: 9K329N4

Squares and roots of 20805509200

• 20805509200 squared (20805509200²) is 432869213071284640000
• 20805509200 cubed (20805509200³) is 9006064394951372833338688000000
• The square root of 20805509200 is 144241.1494685203
• The cube root of 20805509200 is 2750.3805181441

Scales and comparisons

• 20,805,509,200 seconds is equal to 661 years, 28 weeks, 4 days, 12 hours, 6 minutes, 40 seconds.
• To count from 1 to 20,805,509,200 would take you about one thousand, three hundred twenty-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 20805509200 cubic inches would be around 229.2 feet tall.

Recreational maths with 20805509200

• 20805509200 backwards is 00290550802
• The number of decimal digits it has is: 11
• The sum of 20805509200's digits is 31
• More coming soon!