20516355990
20,516,355,990 is an even composite number composed of seven prime numbers multiplied together.
20516355990 is an even composite number. It is composed of seven distinct prime numbers multiplied together. It has a total of two hundred eighty-eight divisors.
Prime factorization of 20516355990:
2 × 32 × 5 × 13 × 17 × 19 × 2332
(2 × 3 × 3 × 5 × 13 × 17 × 19 × 233 × 233)See below for interesting mathematical facts about the number 20516355990 from the Numbermatics database.
Names of 20516355990
- Cardinal: 20516355990 can be written as Twenty billion, five hundred sixteen million, three hundred fifty-five thousand, nine hundred ninety.
Scientific notation
- Scientific notation: 2.051635599 × 1010
Factors of 20516355990
Divisors of 20516355990
- Number of divisors d(n): 288
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Complete list of divisors:
1 2 3 5 6 9 10 13 15 17 18 19 26 30 34 38 39 45 51 57 65 78 85 90 95 102 114 117 130 153 170 171 190 195 221 233 234 247 255 285 306 323 342 390 442 466 494 510 570 585 646 663 699 741 765 855 969 1105 1165 1170 1235 1326 1398 1482 1530 1615 1710 1938 1989 2097 2210 2223 2330 2470 2907 3029 3230 3315 3495 3705 3961 3978 4194 4199 4427 4446 4845 5814 6058 6630 6990 7410 7922 8398 8854 9087 9690 9945 10485 11115 11883 12597 13281 14535 15145 18174 19805 19890 20970 20995 22135 22230 23766 25194 26562 27261 29070 30290 35649 37791 39610 39843 41990 44270 45435 51493 54289 54522 57551 59415 62985 66405 71298 75259 75582 79686 90870 102986 108578 115102 118830 125970 132810 136305 150518 154479 162867 172653 178245 188955 199215 225777 257465 271445 272610 287755 308958 325734 345306 356490 376295 377910 398430 451554 463437 488601 514930 517959 542890 575510 677331 705757 752590 772395 814335 863265 922913 926874 977202 978367 1031491 1035918 1128885 1354662 1411514 1544790 1628670 1726530 1845826 1956734 2062982 2117271 2257770 2317185 2443005 2589795 2768739 2935101 3094473 3386655 3528785 4234542 4614565 4634370 4886010 4891835 5157455 5179590 5537478 5870202 6188946 6351813 6773310 7057570 8306217 8805303 9229130 9283419 9783670 10314910 10586355 11997869 12703626 13409383 13843695 14675505 15472365 16612434 17535347 17610606 18566838 21172710 23995738 26818766 27687390 29351010 30944730 31759065 35070694 35993607 40228149 41531085 44026515 46417095 52606041 59989345 63518130 67046915 71987214 80456298 83062170 87676735 88053030 92834190 105212082 107980821 119978690 120684447 134093830 157818123 175353470 179968035 201140745 215961642 227959511 241368894 263030205 315636246 359936070 402281490 455919022 526060410 539904105 603422235 683878533 789090615 1079808210 1139797555 1206844470 1367757066 1578181230 2051635599 2279595110 3419392665 4103271198 6838785330 10258177995 20516355990
- Sum of all divisors σ(n): 64302245280
- Sum of proper divisors (its aliquot sum) s(n): 43785889290
- 20516355990 is an abundant number, because the sum of its proper divisors (43785889290) is greater than itself. Its abundance is 23269533300
Bases of 20516355990
- Binary: 100110001101101111010111111100101102
- Hexadecimal: 0x4C6DEBF96
- Base-36: 9FAWPLI
Squares and roots of 20516355990
- 20516355990 squared (205163559902) is 420920863108408880100
- 20516355990 cubed (205163559903) is 8635762271150174546608826799000
-
The
square root of 20516355990 is 143235.3168391093 -
The
cube root of 20516355990 is 2737.5795125463
Scales and comparisons
How big is 20516355990?- 20,516,355,990 seconds is equal to 652 years, 18 weeks, 3 days, 19 hours, 46 minutes, 30 seconds.
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To count from 1 to 20,516,355,990 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 20516355990 cubic inches would be around 228.1 feet tall.
Recreational maths with 20516355990
- 20516355990 backwards is 09955361502
- 20516355990 is a
Harshad number . - The number of decimal digits it has is: 11
- The sum of 20516355990's digits is 45
- More coming soon!
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The information we have on file for 20516355990 includes mathematical data and numerical statistics calculated using standard algorithms and methods. We are adding more all the time. If there are any features you would like to see, please contact us. Information provided for educational use, intellectual curiosity and fun!
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