12388643442
12,388,643,442 is an even composite number composed of five prime numbers multiplied together.
12388643442 is an even composite number. It is composed of five distinct prime numbers multiplied together. It has a total of one hundred ninety-two divisors.
Prime factorization of 12388643442:
2 × 33 × 73 × 672 × 149
(2 × 3 × 3 × 3 × 7 × 7 × 7 × 67 × 67 × 149)See below for interesting mathematical facts about the number 12388643442 from the Numbermatics database.
Names of 12388643442
- Cardinal: 12388643442 can be written as Twelve billion, three hundred eighty-eight million, six hundred forty-three thousand, four hundred forty-two.
Scientific notation
- Scientific notation: 1.2388643442 × 1010
Factors of 12388643442
Divisors of 12388643442
- Number of divisors d(n): 192
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Complete list of divisors:
1 2 3 6 7 9 14 18 21 27 42 49 54 63 67 98 126 134 147 149 189 201 294 298 343 378 402 441 447 469 603 686 882 894 938 1029 1043 1206 1323 1341 1407 1809 2058 2086 2646 2682 2814 3087 3129 3283 3618 4023 4221 4489 6174 6258 6566 7301 8046 8442 8978 9261 9387 9849 9983 12663 13467 14602 18522 18774 19698 19966 21903 22981 25326 26934 28161 29547 29949 31423 40401 43806 45962 51107 56322 59094 59898 62846 65709 68943 69881 80802 88641 89847 94269 102214 121203 131418 137886 139762 153321 177282 179694 188538 197127 206829 209643 219961 242406 269541 282807 306642 394254 413658 419286 439922 459963 489167 539082 565614 620487 628929 659883 668861 848421 919926 978334 1240974 1257858 1319766 1337722 1379889 1467501 1539727 1696842 1886787 1979649 2006583 2759778 2935002 3079454 3424169 3773574 3959298 4013166 4402503 4619181 4682027 5938947 6019749 6848338 8805006 9238362 9364054 10272507 11877894 12039498 13207509 13857543 14046081 18059247 20545014 26415018 27715086 28092162 30817521 32774189 36118494 41572629 42138243 61635042 65548378 83145258 84276486 92452563 98322567 126414729 184905126 196645134 229419323 252829458 294967701 458838646 589935402 688257969 884903103 1376515938 1769806206 2064773907 4129547814 6194321721 12388643442
- Sum of all divisors σ(n): 32810400000
- Sum of proper divisors (its aliquot sum) s(n): 20421756558
- 12388643442 is an abundant number, because the sum of its proper divisors (20421756558) is greater than itself. Its abundance is 8033113116
Bases of 12388643442
- Binary: 10111000100110101110110010011100102
- Hexadecimal: 0x2E26BB272
- Base-36: 5OVVMGI
Squares and roots of 12388643442
- 12388643442 squared (123886434422) is 153478486333009607364
- 12388643442 cubed (123886434423) is 1901390243197526100393013506888
-
The
square root of 12388643442 is 111304.2831251339 -
The
cube root of 12388643442 is 2313.8822321187
Scales and comparisons
How big is 12388643442?- 12,388,643,442 seconds is equal to 393 years, 47 weeks, 6 days, 1 hour, 50 minutes, 42 seconds.
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To count from 1 to 12,388,643,442 would take you about seven hundred eighty-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 12388643442 cubic inches would be around 192.8 feet tall.
Recreational maths with 12388643442
- 12388643442 backwards is 24434688321
- The number of decimal digits it has is: 11
- The sum of 12388643442's digits is 45
- More coming soon!
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Keywords: Divisors of 12388643442, math, Factors of 12388643442, curriculum, school, college, exams, university, Prime factorization of 12388643442, STEM, science, technology, engineering, physics, economics, calculator, twelve billion, three hundred eighty-eight million, six hundred forty-three thousand, four hundred forty-two.