12355642720
12,355,642,720 is an even composite number composed of six prime numbers multiplied together.
12355642720 is an even composite number. It is composed of six distinct prime numbers multiplied together. It has a total of one hundred ninety-two divisors.
Prime factorization of 12355642720:
25 × 5 × 31 × 61 × 97 × 421
(2 × 2 × 2 × 2 × 2 × 5 × 31 × 61 × 97 × 421)See below for interesting mathematical facts about the number 12355642720 from the Numbermatics database.
Names of 12355642720
- Cardinal: 12355642720 can be written as Twelve billion, three hundred fifty-five million, six hundred forty-two thousand, seven hundred twenty.
Scientific notation
- Scientific notation: 1.235564272 × 1010
Factors of 12355642720
Divisors of 12355642720
- Number of divisors d(n): 192
-
Complete list of divisors:
1 2 4 5 8 10 16 20 31 32 40 61 62 80 97 122 124 155 160 194 244 248 305 310 388 421 485 488 496 610 620 776 842 970 976 992 1220 1240 1552 1684 1891 1940 1952 2105 2440 2480 3007 3104 3368 3782 3880 4210 4880 4960 5917 6014 6736 7564 7760 8420 9455 9760 11834 12028 13051 13472 15035 15128 15520 16840 18910 23668 24056 25681 26102 29585 30070 30256 33680 37820 40837 47336 48112 51362 52204 59170 60140 60512 65255 67360 75640 81674 94672 96224 102724 104408 118340 120280 128405 130510 151280 163348 183427 189344 204185 205448 208816 236680 240560 256810 261020 302560 326696 366854 408370 410896 417632 473360 481120 513620 522040 653392 733708 796111 816740 821792 917135 946720 1027240 1044080 1265947 1306784 1467416 1592222 1633480 1834270 2054480 2088160 2491057 2531894 2934832 3184444 3266960 3668540 3980555 4108960 4982114 5063788 5869664 6329735 6368888 6533920 7337080 7961110 9964228 10127576 12455285 12659470 12737776 14674160 15922220 19928456 20255152 24910570 25318940 25475552 29348320 31844440 39856912 40510304 49821140 50637880 63688880 77222767 79713824 99642280 101275760 127377760 154445534 199284560 202551520 308891068 386113835 398569120 617782136 772227670 1235564272 1544455340 2471128544 3088910680 6177821360 12355642720
- Sum of all divisors σ(n): 31015014912
- Sum of proper divisors (its aliquot sum) s(n): 18659372192
- 12355642720 is an abundant number, because the sum of its proper divisors (18659372192) is greater than itself. Its abundance is 6303729472
Bases of 12355642720
- Binary: 10111000000111010000100101011000002
- Hexadecimal: 0x2E0742560
- Base-36: 5OC8AXS
Squares and roots of 12355642720
- 12355642720 squared (123556427202) is 152661907024288998400
- 12355642720 cubed (123556427203) is 1886235980145973226257051648000
-
The
square root of 12355642720 is 111155.9387527271 -
The
cube root of 12355642720 is 2311.8258410577
Scales and comparisons
How big is 12355642720?- 12,355,642,720 seconds is equal to 392 years, 45 weeks, 2 days, 2 hours, 58 minutes, 40 seconds.
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To count from 1 to 12,355,642,720 would take you about seven hundred eighty-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 12355642720 cubic inches would be around 192.7 feet tall.
Recreational maths with 12355642720
- 12355642720 backwards is 02724655321
- The number of decimal digits it has is: 11
- The sum of 12355642720's digits is 37
- More coming soon!
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