20018856

Names of 20018856

• Cardinal: 20018856 can be written as Twenty million, eighteen thousand, eight hundred fifty-six.

Scientific notation

• Scientific notation: 2.0018856 × 10⁷

Factors of 20018856

• Number of distinct prime factors ω(n): 6
• Total number of prime factors Ω(n): 8
• Sum of prime factors: 355

Divisors of 20018856

• Number of divisors d(n): 128
• Complete list of divisors:
  1 2 3 4 6 8 11 12 13 19 22 24 26 33 38 39 44 52 57 66 76 78 88 104 114 132 143 152 156 209 228 247 264 286 307 312 418 429 456 494 572 614 627 741 836 858 921 988 1144 1228 1254 1482 1672 1716 1842 1976 2456 2508 2717 2964 3377 3432 3684 3991 5016 5434 5833 5928 6754 7368 7982 8151 10131 10868 11666 11973 13508 15964 16302 17499 20262 21736 23332 23946 27016 31928 32604 34998 40524 43901 46664 47892 64163 65208 69996 75829 81048 87802 95784 128326 131703 139992 151658 175604 192489 227487 256652 263406 303316 351208 384978 454974 513304 526812 606632 769956 834119 909948 1053624 1539912 1668238 1819896 2502357 3336476 5004714 6672952 10009428 20018856
• Sum of all divisors σ(n): 62092800
• Sum of proper divisors (its aliquot sum) s(n): 42073944
• 20018856 is an abundant number, because the sum of its proper divisors (42073944) is greater than itself. Its abundance is 22055088

Bases of 20018856

• Binary: 1001100010111011010101000₂
• Hexadecimal: 0x13176A8
• Base-36: BX2NC

Squares and roots of 20018856

• 20018856 squared (20018856²) is 400754595548736
• 20018856 cubed (20018856³) is 8022648539628386966016
• The square root of 20018856 is 4474.2436232283
• The cube root of 20018856 is 271.5270399627

Scales and comparisons

• 20,018,856 seconds is equal to 33 weeks, 16 hours, 47 minutes, 36 seconds.
• To count from 1 to 20,018,856 would take you about forty-nine weeks!

  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 20018856 cubic inches would be around 22.6 feet tall.

Recreational maths with 20018856

• 20018856 backwards is 65881002
• The number of decimal digits it has is: 8
• The sum of 20018856's digits is 30
• More coming soon!