20509350840

Names of 20509350840

• Cardinal: 20509350840 can be written as Twenty billion, five hundred nine million, three hundred fifty thousand, eight hundred forty.

Scientific notation

• Scientific notation: 2.050935084 × 10¹⁰

Factors of 20509350840

• Number of distinct prime factors ω(n): 6
• Total number of prime factors Ω(n): 9
• Sum of prime factors: 45967

Divisors of 20509350840

• Number of divisors d(n): 192
• Complete list of divisors:
  1 2 3 4 5 6 8 9 10 11 12 15 18 20 22 24 30 33 36 40 44 45 55 60 66 72 88 90 99 110 113 120 132 165 180 198 220 226 264 330 339 360 396 440 452 495 565 660 678 792 904 990 1017 1130 1243 1320 1356 1695 1980 2034 2260 2486 2712 3390 3729 3960 4068 4520 4972 5085 6215 6780 7458 8136 9944 10170 11187 12430 13560 14916 18645 20340 22374 24860 29832 37290 40680 44748 45833 49720 55935 74580 89496 91666 111870 137499 149160 183332 223740 229165 274998 366664 412497 447480 458330 504163 549996 687495 824994 916660 1008326 1099992 1374990 1512489 1649988 1833320 2016652 2062485 2520815 2749980 3024978 3299976 4033304 4124970 4537467 5041630 5179129 5499960 6049956 7562445 8249940 9074934 10083260 10358258 12099912 15124890 15537387 16499880 18149868 20166520 20716516 22687335 25895645 30249780 31074774 36299736 41433032 45374670 46612161 51791290 56970419 60499560 62149548 77686935 90749340 93224322 103582580 113940838 124299096 155373870 170911257 181498680 186448644 207165160 227881676 233060805 284852095 310747740 341822514 372897288 455763352 466121610 512733771 569704190 621495480 683645028 854556285 932243220 1025467542 1139408380 1367290056 1709112570 1864486440 2050935084 2278816760 2563668855 3418225140 4101870168 5127337710 6836450280 10254675420 20509350840
• Sum of all divisors σ(n): 73360067040
• Sum of proper divisors (its aliquot sum) s(n): 52850716200
• 20509350840 is an abundant number, because the sum of its proper divisors (52850716200) is greater than itself. Its abundance is 32341365360

Bases of 20509350840

• Binary: 10011000110011100111101101110111000₂
• Hexadecimal: 0x4C673DBB8
• Base-36: 9F6QKE0

Squares and roots of 20509350840

• 20509350840 squared (20509350840²) is 420633471878208705600
• 20509350840 cubed (20509350840³) is 8626919449797456093892672704000
• The square root of 20509350840 is 143210.8614595975
• The cube root of 20509350840 is 2737.2679020085

Scales and comparisons

• 20,509,350,840 seconds is equal to 652 years, 6 weeks, 6 days, 17 hours, 54 minutes.
• To count from 1 to 20,509,350,840 would take you about one thousand, three hundred four 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 20509350840 cubic inches would be around 228.1 feet tall.

Recreational maths with 20509350840

• 20509350840 backwards is 04805390502
• 20509350840 is a Harshad number.
• The number of decimal digits it has is: 11
• The sum of 20509350840's digits is 36
• More coming soon!