20402390502

Names of 20402390502

• Cardinal: 20402390502 can be written as Twenty billion, four hundred two million, three hundred ninety thousand, five hundred two.

Scientific notation

• Scientific notation: 2.0402390502 × 10¹⁰

Factors of 20402390502

• Number of distinct prime factors ω(n): 6
• Total number of prime factors Ω(n): 7
• Sum of prime factors: 1683

Divisors of 20402390502

• Number of divisors d(n): 96
• Complete list of divisors:
  1 2 3 6 9 13 18 26 39 78 117 234 241 331 482 662 723 993 1093 1446 1986 2169 2186 2979 3133 3279 4303 4338 5958 6266 6558 8606 9399 9837 12909 14209 18798 19674 25818 28197 28418 38727 42627 56394 77454 79771 85254 127881 159542 239313 255762 263413 361783 478626 526826 717939 723566 790239 1037023 1085349 1435878 1580478 2074046 2170698 2370717 3111069 3256047 3424369 4703179 4741434 6222138 6512094 6848738 9333207 9406358 10273107 14109537 18666414 20546214 28219074 30819321 42328611 61638642 84657222 87189703 174379406 261569109 523138218 784707327 1133466139 1569414654 2266932278 3400398417 6800796834 10201195251 20402390502
• Sum of all divisors σ(n): 47991399456
• Sum of proper divisors (its aliquot sum) s(n): 27589008954
• 20402390502 is an abundant number, because the sum of its proper divisors (27589008954) is greater than itself. Its abundance is 7186618452

Bases of 20402390502

• Binary: 10011000000000100111100010111100110₂
• Hexadecimal: 0x4C013C5E6
• Base-36: 9DF219I

Squares and roots of 20402390502

• 20402390502 squared (20402390502²) is 416257538196099812004
• 20402390502 cubed (20402390502³) is 8492648843678009017874395186008
• The square root of 20402390502 is 142836.9367565687
• The cube root of 20402390502 is 2732.5011405911

Scales and comparisons

• 20,402,390,502 seconds is equal to 648 years, 38 weeks, 18 hours, 41 minutes, 42 seconds.
• To count from 1 to 20,402,390,502 would take you about one thousand, two hundred ninety-seven 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 20402390502 cubic inches would be around 227.7 feet tall.

Recreational maths with 20402390502

• 20402390502 backwards is 20509320402
• The number of decimal digits it has is: 11
• The sum of 20402390502's digits is 27
• More coming soon!