20780378320

Names of 20780378320

• Cardinal: 20780378320 can be written as Twenty billion, seven hundred eighty million, three hundred seventy-eight thousand, three hundred twenty.

Scientific notation

• Scientific notation: 2.078037832 × 10¹⁰

Factors of 20780378320

• Number of distinct prime factors ω(n): 6
• Total number of prime factors Ω(n): 9
• Sum of prime factors: 1395

Divisors of 20780378320

• Number of divisors d(n): 160
• Complete list of divisors:
  1 2 4 5 8 10 13 16 20 26 40 52 65 80 101 104 130 181 202 208 260 362 404 505 520 724 808 905 1010 1040 1093 1313 1448 1616 1810 2020 2186 2353 2626 2896 3620 4040 4372 4706 5252 5465 6565 7240 8080 8744 9412 10504 10930 11765 13130 14209 14480 17488 18281 18824 21008 21860 23530 26260 28418 36562 37648 43720 47060 52520 56836 71045 73124 87440 91405 94120 105040 110393 113672 142090 146248 182810 188240 197833 220786 227344 237653 284180 292496 365620 395666 441572 475306 551965 568360 731240 791332 883144 950612 989165 1103930 1136720 1188265 1435109 1462480 1582664 1766288 1901224 1978330 2207860 2376530 2571829 2870218 3165328 3802448 3956660 4415720 4753060 5143658 5740436 7175545 7913320 8831440 9506120 10287316 11480872 12859145 14351090 15826640 19012240 19981133 20574632 22961744 25718290 28702180 39962266 41149264 51436580 57404360 79924532 99905665 102873160 114808720 159849064 199811330 205746320 259754729 319698128 399622660 519509458 799245320 1039018916 1298773645 1598490640 2078037832 2597547290 4156075664 5195094580 10390189160 20780378320
• Sum of all divisors σ(n): 52884677664
• Sum of proper divisors (its aliquot sum) s(n): 32104299344
• 20780378320 is an abundant number, because the sum of its proper divisors (32104299344) is greater than itself. Its abundance is 11323921024

Bases of 20780378320

• Binary: 10011010110100110110110100011010000₂
• Hexadecimal: 0x4D69B68D0
• Base-36: 9JO3MJ4

Squares and roots of 20780378320

• 20780378320 squared (20780378320²) is 431824123122326022400
• 20780378320 cubed (20780378320³) is 8973468646184194383852794368000
• The square root of 20780378320 is 144154.0090320071
• The cube root of 20780378320 is 2749.2726812649

Scales and comparisons

• 20,780,378,320 seconds is equal to 660 years, 39 weeks, 15 hours, 18 minutes, 40 seconds.
• To count from 1 to 20,780,378,320 would take you about one thousand, three hundred twenty-one 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 20780378320 cubic inches would be around 229.1 feet tall.

Recreational maths with 20780378320

• 20780378320 backwards is 02387308702
• 20780378320 is a Harshad number.
• The number of decimal digits it has is: 11
• The sum of 20780378320's digits is 40
• More coming soon!