12420368640
12,420,368,640 is an even composite number composed of five prime numbers multiplied together.
12420368640 is an even composite number. It is composed of five distinct prime numbers multiplied together. It has a total of two hundred sixteen divisors.
Prime factorization of 12420368640:
28 × 32 × 5 × 17 × 63421
(2 × 2 × 2 × 2 × 2 × 2 × 2 × 2 × 3 × 3 × 5 × 17 × 63421)See below for interesting mathematical facts about the number 12420368640 from the Numbermatics database.
Names of 12420368640
- Cardinal: 12420368640 can be written as Twelve billion, four hundred twenty million, three hundred sixty-eight thousand, six hundred forty.
Scientific notation
- Scientific notation: 1.242036864 × 1010
Factors of 12420368640
Divisors of 12420368640
- Number of divisors d(n): 216
-
Complete list of divisors:
1 2 3 4 5 6 8 9 10 12 15 16 17 18 20 24 30 32 34 36 40 45 48 51 60 64 68 72 80 85 90 96 102 120 128 136 144 153 160 170 180 192 204 240 255 256 272 288 306 320 340 360 384 408 480 510 544 576 612 640 680 720 765 768 816 960 1020 1088 1152 1224 1280 1360 1440 1530 1632 1920 2040 2176 2304 2448 2720 2880 3060 3264 3840 4080 4352 4896 5440 5760 6120 6528 8160 9792 10880 11520 12240 13056 16320 19584 21760 24480 32640 39168 48960 63421 65280 97920 126842 190263 195840 253684 317105 380526 507368 570789 634210 761052 951315 1014736 1078157 1141578 1268420 1522104 1902630 2029472 2156314 2283156 2536840 2853945 3044208 3234471 3805260 4058944 4312628 4566312 5073680 5390785 5707890 6088416 6468942 7610520 8117888 8625256 9132624 9703413 10147360 10781570 11415780 12176832 12937884 15221040 16172355 16235776 17250512 18265248 19406826 20294720 21563140 22831560 24353664 25875768 30442080 32344710 34501024 36530496 38813652 40589440 43126280 45663120 48517065 48707328 51751536 60884160 64689420 69002048 73060992 77627304 81178880 86252560 91326240 97034130 103503072 121768320 129378840 138004096 146121984 155254608 172505120 182652480 194068260 207006144 243536640 258757680 276008192 310509216 345010240 365304960 388136520 414012288 517515360 621018432 690020480 730609920 776273040 828024576 1035030720 1242036864 1380040960 1552546080 2070061440 2484073728 3105092160 4140122880 6210184320 12420368640
- Sum of all divisors σ(n): 45501733368
- Sum of proper divisors (its aliquot sum) s(n): 33081364728
- 12420368640 is an abundant number, because the sum of its proper divisors (33081364728) is greater than itself. Its abundance is 20660996088
Bases of 12420368640
- Binary: 10111001000100111111001001000000002
- Hexadecimal: 0x2E44FC900
- Base-36: 5PERLS0
Squares and roots of 12420368640
- 12420368640 squared (124203686402) is 154265557153495449600
- 12420368640 cubed (124203686403) is 1916035088301402548594540544000
-
The
square root of 12420368640 is 111446.7076229711 -
The
cube root of 12420368640 is 2315.8557007825
Scales and comparisons
How big is 12420368640?- 12,420,368,640 seconds is equal to 394 years, 48 weeks, 2 days, 6 hours, 24 minutes.
-
To count from 1 to 12,420,368,640 would take you about seven hundred eighty-nine 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 12420368640 cubic inches would be around 193 feet tall.
Recreational maths with 12420368640
- 12420368640 backwards is 04686302421
- 12420368640 is a
Harshad number . - The number of decimal digits it has is: 11
- The sum of 12420368640's digits is 36
- More coming soon!
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