20400763680
20,400,763,680 is an even composite number composed of five prime numbers multiplied together.
20400763680 is an even composite number. It is composed of five distinct prime numbers multiplied together. It has a total of two hundred eighty-eight divisors.
Prime factorization of 20400763680:
25 × 35 × 5 × 11 × 47701
(2 × 2 × 2 × 2 × 2 × 3 × 3 × 3 × 3 × 3 × 5 × 11 × 47701)See below for interesting mathematical facts about the number 20400763680 from the Numbermatics database.
Names of 20400763680
- Cardinal: 20400763680 can be written as Twenty billion, four hundred million, seven hundred sixty-three thousand, six hundred eighty.
Scientific notation
- Scientific notation: 2.040076368 × 1010
Factors of 20400763680
Divisors of 20400763680
- Number of divisors d(n): 288
-
Complete list of divisors:
1 2 3 4 5 6 8 9 10 11 12 15 16 18 20 22 24 27 30 32 33 36 40 44 45 48 54 55 60 66 72 80 81 88 90 96 99 108 110 120 132 135 144 160 162 165 176 180 198 216 220 240 243 264 270 288 297 324 330 352 360 396 405 432 440 480 486 495 528 540 594 648 660 720 792 810 864 880 891 972 990 1056 1080 1188 1215 1296 1320 1440 1485 1584 1620 1760 1782 1944 1980 2160 2376 2430 2592 2640 2673 2970 3168 3240 3564 3888 3960 4320 4455 4752 4860 5280 5346 5940 6480 7128 7776 7920 8910 9504 9720 10692 11880 12960 13365 14256 15840 17820 19440 21384 23760 26730 28512 35640 38880 42768 47520 47701 53460 71280 85536 95402 106920 142560 143103 190804 213840 238505 286206 381608 427680 429309 477010 524711 572412 715515 763216 858618 954020 1049422 1144824 1287927 1431030 1526432 1574133 1717236 1908040 2098844 2146545 2289648 2575854 2623555 2862060 3148266 3434472 3816080 3863781 4197688 4293090 4579296 4722399 5151708 5247110 5724120 6296532 6439635 6868944 7632160 7727562 7870665 8395376 8586180 9444798 10303416 10494220 11448240 11591343 12593064 12879270 13737888 14167197 15455124 15741330 16790752 17172360 18889596 19318905 20606832 20988440 22896480 23182686 23611995 25186128 25758540 28334394 30910248 31482660 34344720 37779192 38637810 41213664 41976880 42501591 46365372 47223990 50372256 51517080 56668788 57956715 61820496 62965320 68689440 70835985 75558384 77275620 83953760 85003182 92730744 94447980 103034160 113337576 115913430 123640992 125930640 127504773 141671970 151116768 154551240 170006364 185461488 188895960 206068320 212507955 226675152 231826860 251861280 255009546 283343940 309102480 340012728 370922976 377791920 425015910 453350304 463653720 510019092 566687880 618204960 637523865 680025456 755583840 850031820 927307440 1020038184 1133375760 1275047730 1360050912 1700063640 1854614880 2040076368 2266751520 2550095460 3400127280 4080152736 5100190920 6800254560 10200381840 20400763680
- Sum of all divisors σ(n): 78760963008
- Sum of proper divisors (its aliquot sum) s(n): 58360199328
- 20400763680 is an abundant number, because the sum of its proper divisors (58360199328) is greater than itself. Its abundance is 37959435648
Bases of 20400763680
- Binary: 100101111111111101011110011001000002
- Hexadecimal: 0x4BFFAF320
- Base-36: 9DE3600
Squares and roots of 20400763680
- 20400763680 squared (204007636802) is 416191158727207142400
- 20400763680 cubed (204007636803) is 8490617474899122498510508032000
-
The
square root of 20400763680 is 142831.2419605739 -
The
cube root of 20400763680 is 2732.4285116653
Scales and comparisons
How big is 20400763680?- 20,400,763,680 seconds is equal to 648 years, 35 weeks, 2 days, 22 hours, 48 minutes.
-
To count from 1 to 20,400,763,680 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 20400763680 cubic inches would be around 227.7 feet tall.
Recreational maths with 20400763680
- 20400763680 backwards is 08636700402
- 20400763680 is a
Harshad number . - The number of decimal digits it has is: 11
- The sum of 20400763680's digits is 36
- More coming soon!
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