12721577984
12,721,577,984 is an even composite number composed of four prime numbers multiplied together.
12721577984 is an even composite number. It is composed of four distinct prime numbers multiplied together. It has a total of one hundred sixty-eight divisors.
Prime factorization of 12721577984:
213 × 19 × 37 × 472
(2 × 2 × 2 × 2 × 2 × 2 × 2 × 2 × 2 × 2 × 2 × 2 × 2 × 19 × 37 × 47 × 47)See below for interesting mathematical facts about the number 12721577984 from the Numbermatics database.
Names of 12721577984
- Cardinal: 12721577984 can be written as Twelve billion, seven hundred twenty-one million, five hundred seventy-seven thousand, nine hundred eighty-four.
Scientific notation
- Scientific notation: 1.2721577984 × 1010
Factors of 12721577984
Divisors of 12721577984
- Number of divisors d(n): 168
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Complete list of divisors:
1 2 4 8 16 19 32 37 38 47 64 74 76 94 128 148 152 188 256 296 304 376 512 592 608 703 752 893 1024 1184 1216 1406 1504 1739 1786 2048 2209 2368 2432 2812 3008 3478 3572 4096 4418 4736 4864 5624 6016 6956 7144 8192 8836 9472 9728 11248 12032 13912 14288 17672 18944 19456 22496 24064 27824 28576 33041 35344 37888 38912 41971 44992 48128 55648 57152 66082 70688 75776 77824 81733 83942 89984 96256 111296 114304 132164 141376 151552 155648 163466 167884 179968 192512 222592 228608 264328 282752 303104 326932 335768 359936 385024 445184 457216 528656 565504 653864 671536 719872 890368 914432 1057312 1131008 1307728 1343072 1439744 1552927 1780736 1828864 2114624 2262016 2615456 2686144 2879488 3105854 3561472 3657728 4229248 4524032 5230912 5372288 5758976 6211708 7122944 7315456 8458496 9048064 10461824 10744576 12423416 14245888 16916992 18096128 20923648 21489152 24846832 33833984 41847296 42978304 49693664 67667968 83694592 85956608 99387328 135335936 167389184 171913216 198774656 270671872 334778368 343826432 397549312 669556736 795098624 1590197248 3180394496 6360788992 12721577984
- Sum of all divisors σ(n): 28102087560
- Sum of proper divisors (its aliquot sum) s(n): 15380509576
- 12721577984 is an abundant number, because the sum of its proper divisors (15380509576) is greater than itself. Its abundance is 2658931592
Bases of 12721577984
- Binary: 10111101100100001111100000000000002
- Hexadecimal: 0x2F643E000
- Base-36: 5UE3KE8
Squares and roots of 12721577984
- 12721577984 squared (127215779842) is 161838546402993504256
- 12721577984 cubed (127215779843) is 2058841688882884555438139899904
-
The
square root of 12721577984 is 112789.9728876641 -
The
cube root of 12721577984 is 2334.4271641737
Scales and comparisons
How big is 12721577984?- 12,721,577,984 seconds is equal to 404 years, 26 weeks, 2 days, 11 hours, 39 minutes, 44 seconds.
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To count from 1 to 12,721,577,984 would take you about eight hundred 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 12721577984 cubic inches would be around 194.5 feet tall.
Recreational maths with 12721577984
- 12721577984 backwards is 48977512721
- The number of decimal digits it has is: 11
- The sum of 12721577984's digits is 53
- More coming soon!
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