12489531720
12,489,531,720 is an even composite number composed of six prime numbers multiplied together.
12489531720 is an even composite number. It is composed of six distinct prime numbers multiplied together. It has a total of one hundred twenty-eight divisors.
Prime factorization of 12489531720:
23 × 3 × 5 × 31 × 613 × 5477
(2 × 2 × 2 × 3 × 5 × 31 × 613 × 5477)See below for interesting mathematical facts about the number 12489531720 from the Numbermatics database.
Names of 12489531720
- Cardinal: 12489531720 can be written as Twelve billion, four hundred eighty-nine million, five hundred thirty-one thousand, seven hundred twenty.
Scientific notation
- Scientific notation: 1.248953172 × 1010
Factors of 12489531720
Divisors of 12489531720
- Number of divisors d(n): 128
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Complete list of divisors:
1 2 3 4 5 6 8 10 12 15 20 24 30 31 40 60 62 93 120 124 155 186 248 310 372 465 613 620 744 930 1226 1240 1839 1860 2452 3065 3678 3720 4904 5477 6130 7356 9195 10954 12260 14712 16431 18390 19003 21908 24520 27385 32862 36780 38006 43816 54770 57009 65724 73560 76012 82155 95015 109540 114018 131448 152024 164310 169787 190030 219080 228036 285045 328620 339574 380060 456072 509361 570090 657240 679148 760120 848935 1018722 1140180 1358296 1697870 2037444 2280360 2546805 3357401 3395740 4074888 5093610 6714802 6791480 10072203 10187220 13429604 16787005 20144406 20374440 26859208 33574010 40288812 50361015 67148020 80577624 100722030 104079431 134296040 201444060 208158862 312238293 402888120 416317724 520397155 624476586 832635448 1040794310 1248953172 1561191465 2081588620 2497906344 3122382930 4163177240 6244765860 12489531720
- Sum of all divisors σ(n): 38747427840
- Sum of proper divisors (its aliquot sum) s(n): 26257896120
- 12489531720 is an abundant number, because the sum of its proper divisors (26257896120) is greater than itself. Its abundance is 13768364400
Bases of 12489531720
- Binary: 10111010000110111100100001010010002
- Hexadecimal: 0x2E86F2148
- Base-36: 5QJY0CO
Squares and roots of 12489531720
- 12489531720 squared (124895317202) is 155988402584886158400
- 12489531720 cubed (124895317203) is 1948222102036065667925744448000
-
The
square root of 12489531720 is 111756.5734979379 -
The
cube root of 12489531720 is 2320.1463765155
Scales and comparisons
How big is 12489531720?- 12,489,531,720 seconds is equal to 397 years, 6 weeks, 4 days, 18 hours, 22 minutes.
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To count from 1 to 12,489,531,720 would take you about seven hundred ninety-four 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 12489531720 cubic inches would be around 193.3 feet tall.
Recreational maths with 12489531720
- 12489531720 backwards is 02713598421
- The number of decimal digits it has is: 11
- The sum of 12489531720's digits is 42
- More coming soon!
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