20087215820

Names of 20087215820

• Cardinal: 20087215820 can be written as Twenty billion, eighty-seven million, two hundred fifteen thousand, eight hundred twenty.

Scientific notation

• Scientific notation: 2.008721582 × 10¹⁰

Factors of 20087215820

• Number of distinct prime factors ω(n): 6
• Total number of prime factors Ω(n): 8
• Sum of prime factors: 4751

Divisors of 20087215820

• Number of divisors d(n): 144
• Complete list of divisors:
  1 2 4 5 7 10 14 20 28 35 49 61 70 73 98 122 140 146 196 244 245 292 305 365 427 490 511 610 730 854 980 1022 1220 1460 1708 2044 2135 2555 2989 3577 4270 4453 4603 5110 5978 7154 8540 8906 9206 10220 11956 14308 14945 17812 17885 18412 22265 23015 29890 31171 32221 35770 44530 46030 59780 62342 64442 71540 89060 92060 124684 128884 155855 161105 218197 225547 280783 311710 322210 336019 436394 451094 561566 623420 644420 672038 872788 902188 1090985 1123132 1127735 1344076 1403915 1680095 1965481 2181970 2255470 2352133 2807830 3360190 3930962 4363940 4510940 4704266 5615660 6720380 7861924 9408532 9827405 11760665 13758367 16464931 19654810 20497159 23521330 27516734 32929862 39309620 40994318 47042660 55033468 65859724 68791835 81988636 82324655 102485795 137583670 143480113 164649310 204971590 275167340 286960226 329298620 409943180 573920452 717400565 1004360791 1434801130 2008721582 2869602260 4017443164 5021803955 10043607910 20087215820
• Sum of all divisors σ(n): 50568825888
• Sum of proper divisors (its aliquot sum) s(n): 30481610068
• 20087215820 is an abundant number, because the sum of its proper divisors (30481610068) is greater than itself. Its abundance is 10394394248

Bases of 20087215820

• Binary: 10010101101010010101001011011001100₂
• Hexadecimal: 0x4AD4A96CC
• Base-36: 987EQX8

Squares and roots of 20087215820

• 20087215820 squared (20087215820²) is 403496239399258272400
• 20087215820 cubed (20087215820³) is 8105116043371288065619149368000
• The square root of 20087215820 is 141729.3752896695
• The cube root of 20087215820 is 2718.3575643407

Scales and comparisons

• 20,087,215,820 seconds is equal to 638 years, 36 weeks, 6 days, 22 hours, 10 minutes, 20 seconds.
• To count from 1 to 20,087,215,820 would take you about one thousand, two hundred seventy-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 20087215820 cubic inches would be around 226.5 feet tall.

Recreational maths with 20087215820

• 20087215820 backwards is 02851278002
• 20087215820 is a Harshad number.
• The number of decimal digits it has is: 11
• The sum of 20087215820's digits is 35
• More coming soon!