12400146720
12,400,146,720 is an even composite number composed of five prime numbers multiplied together.
12400146720 is an even composite number. It is composed of five distinct prime numbers multiplied together. It has a total of one hundred forty-four divisors.
Prime factorization of 12400146720:
25 × 32 × 5 × 13 × 662401
(2 × 2 × 2 × 2 × 2 × 3 × 3 × 5 × 13 × 662401)See below for interesting mathematical facts about the number 12400146720 from the Numbermatics database.
Names of 12400146720
- Cardinal: 12400146720 can be written as Twelve billion, four hundred million, one hundred forty-six thousand, seven hundred twenty.
Scientific notation
- Scientific notation: 1.240014672 × 1010
Factors of 12400146720
Divisors of 12400146720
- Number of divisors d(n): 144
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Complete list of divisors:
1 2 3 4 5 6 8 9 10 12 13 15 16 18 20 24 26 30 32 36 39 40 45 48 52 60 65 72 78 80 90 96 104 117 120 130 144 156 160 180 195 208 234 240 260 288 312 360 390 416 468 480 520 585 624 720 780 936 1040 1170 1248 1440 1560 1872 2080 2340 3120 3744 4680 6240 9360 18720 662401 1324802 1987203 2649604 3312005 3974406 5299208 5961609 6624010 7948812 8611213 9936015 10598416 11923218 13248020 15897624 17222426 19872030 21196832 23846436 25833639 26496040 29808045 31795248 34444852 39744060 43056065 47692872 51667278 52992080 59616090 63590496 68889704 77500917 79488120 86112130 95385744 103334556 105984160 119232180 129168195 137779408 155001834 158976240 172224260 190771488 206669112 238464360 258336390 275558816 310003668 317952480 344448520 387504585 413338224 476928720 516672780 620007336 688897040 775009170 826676448 953857440 1033345560 1240014672 1377794080 1550018340 2066691120 2480029344 3100036680 4133382240 6200073360 12400146720
- Sum of all divisors σ(n): 45570607992
- Sum of proper divisors (its aliquot sum) s(n): 33170461272
- 12400146720 is an abundant number, because the sum of its proper divisors (33170461272) is greater than itself. Its abundance is 20770314552
Bases of 12400146720
- Binary: 10111000110001101100111001001000002
- Hexadecimal: 0x2E31B3920
- Base-36: 5P2Q6G0
Squares and roots of 12400146720
- 12400146720 squared (124001467202) is 153763638677526758400
- 12400146720 cubed (124001467203) is 1906691679802398570885992448000
-
The
square root of 12400146720 is 111355.9460468995 -
The
cube root of 12400146720 is 2314.5981834283
Scales and comparisons
How big is 12400146720?- 12,400,146,720 seconds is equal to 394 years, 14 weeks, 6 days, 5 hours, 12 minutes.
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To count from 1 to 12,400,146,720 would take you about seven hundred eighty-eight 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 12400146720 cubic inches would be around 192.9 feet tall.
Recreational maths with 12400146720
- 12400146720 backwards is 02764100421
- The number of decimal digits it has is: 11
- The sum of 12400146720's digits is 27
- More coming soon!
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