13138539420
13,138,539,420 is an even composite number composed of six prime numbers multiplied together.
13138539420 is an even composite number. It is composed of six distinct prime numbers multiplied together. It has a total of two hundred sixteen divisors.
Prime factorization of 13138539420:
22 × 3 × 5 × 17 × 372 × 972
(2 × 2 × 3 × 5 × 17 × 37 × 37 × 97 × 97)See below for interesting mathematical facts about the number 13138539420 from the Numbermatics database.
Names of 13138539420
- Cardinal: 13138539420 can be written as Thirteen billion, one hundred thirty-eight million, five hundred thirty-nine thousand, four hundred twenty.
Scientific notation
- Scientific notation: 1.313853942 × 1010
Factors of 13138539420
Divisors of 13138539420
- Number of divisors d(n): 216
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Complete list of divisors:
1 2 3 4 5 6 10 12 15 17 20 30 34 37 51 60 68 74 85 97 102 111 148 170 185 194 204 222 255 291 340 370 388 444 485 510 555 582 629 740 970 1020 1110 1164 1258 1369 1455 1649 1887 1940 2220 2516 2738 2910 3145 3298 3589 3774 4107 4947 5476 5820 6290 6596 6845 7178 7548 8214 8245 9409 9435 9894 10767 12580 13690 14356 16428 16490 17945 18818 18870 19788 20535 21534 23273 24735 27380 28227 32980 35890 37636 37740 41070 43068 46546 47045 49470 53835 56454 61013 69819 71780 82140 93092 94090 98940 107670 112908 116365 122026 132793 139638 141135 159953 183039 188180 215340 232730 244052 265586 279276 282270 305065 319906 348133 349095 366078 398379 465460 479859 531172 564540 610130 639812 663965 696266 698190 732156 796758 799765 915195 959718 1044399 1220260 1327930 1392532 1396380 1593516 1599530 1740665 1830390 1919436 1991895 2088798 2257481 2399295 2655860 3199060 3481330 3660780 3983790 4177596 4514962 4798590 5221995 5918261 6772443 6962660 7967580 9029924 9597180 10443990 11287405 11836522 12880921 13544886 17754783 20887980 22574810 23673044 25761842 27089772 29591305 33862215 35509566 38642763 45149620 51523684 59182610 64404605 67724430 71019132 77285526 88773915 118365220 128809210 135448860 154571052 177547830 193213815 218975657 257618420 355095660 386427630 437951314 656926971 772855260 875902628 1094878285 1313853942 2189756570 2627707884 3284634855 4379513140 6569269710 13138539420
- Sum of all divisors σ(n): 40450079376
- Sum of proper divisors (its aliquot sum) s(n): 27311539956
- 13138539420 is an abundant number, because the sum of its proper divisors (27311539956) is greater than itself. Its abundance is 14173000536
Bases of 13138539420
- Binary: 11000011110001111000110011100111002
- Hexadecimal: 0x30F1E339C
- Base-36: 61ACHWC
Squares and roots of 13138539420
- 13138539420 squared (131385394202) is 172621218090893936400
- 13138539420 cubed (131385394203) is 2267990678615627126430372888000
-
The
square root of 13138539420 is 114623.4680159345 -
The
cube root of 13138539420 is 2359.6578204937
Scales and comparisons
How big is 13138539420?- 13,138,539,420 seconds is equal to 417 years, 39 weeks, 5 days, 10 hours, 17 minutes.
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To count from 1 to 13,138,539,420 would take you about eight hundred thirty-five 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 13138539420 cubic inches would be around 196.6 feet tall.
Recreational maths with 13138539420
- 13138539420 backwards is 02493583131
- The number of decimal digits it has is: 11
- The sum of 13138539420's digits is 39
- More coming soon!
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