13121707872
13,121,707,872 is an even composite number composed of six prime numbers multiplied together.
13121707872 is an even composite number. It is composed of six distinct prime numbers multiplied together. It has a total of one hundred ninety-two divisors.
Prime factorization of 13121707872:
25 × 3 × 7 × 13 × 79 × 19013
(2 × 2 × 2 × 2 × 2 × 3 × 7 × 13 × 79 × 19013)See below for interesting mathematical facts about the number 13121707872 from the Numbermatics database.
Names of 13121707872
- Cardinal: 13121707872 can be written as Thirteen billion, one hundred twenty-one million, seven hundred seven thousand, eight hundred seventy-two.
Scientific notation
- Scientific notation: 1.3121707872 × 1010
Factors of 13121707872
Divisors of 13121707872
- Number of divisors d(n): 192
-
Complete list of divisors:
1 2 3 4 6 7 8 12 13 14 16 21 24 26 28 32 39 42 48 52 56 78 79 84 91 96 104 112 156 158 168 182 208 224 237 273 312 316 336 364 416 474 546 553 624 632 672 728 948 1027 1092 1106 1248 1264 1456 1659 1896 2054 2184 2212 2528 2912 3081 3318 3792 4108 4368 4424 6162 6636 7189 7584 8216 8736 8848 12324 13272 14378 16432 17696 19013 21567 24648 26544 28756 32864 38026 43134 49296 53088 57039 57512 76052 86268 98592 114078 115024 133091 152104 172536 228156 230048 247169 266182 304208 345072 399273 456312 494338 532364 608416 690144 741507 798546 912624 988676 1064728 1483014 1502027 1597092 1730183 1825248 1977352 2129456 2966028 3004054 3194184 3460366 3954704 4258912 4506081 5190549 5932056 6008108 6388368 6920732 7909408 9012162 10381098 10514189 11864112 12016216 12776736 13841464 18024324 19526351 20762196 21028378 23728224 24032432 27682928 31542567 36048648 39052702 41524392 42056756 48064864 55365856 58579053 63085134 72097296 78105404 83048784 84113512 117158106 126170268 136684457 144194592 156210808 166097568 168227024 234316212 252340536 273368914 312421616 336454048 410053371 468632424 504681072 546737828 624843232 820106742 937264848 1009362144 1093475656 1640213484 1874529696 2186951312 3280426968 4373902624 6560853936 13121707872
- Sum of all divisors σ(n): 42932090880
- Sum of proper divisors (its aliquot sum) s(n): 29810383008
- 13121707872 is an abundant number, because the sum of its proper divisors (29810383008) is greater than itself. Its abundance is 16688675136
Bases of 13121707872
- Binary: 11000011100001110101011111011000002
- Hexadecimal: 0x30E1D5F60
- Base-36: 610BQLC
Squares and roots of 13121707872
- 13121707872 squared (131217078722) is 172179217478106768384
- 13121707872 cubed (131217078723) is 2259285393377273570360813518848
-
The
square root of 13121707872 is 114550.0234482735 -
The
cube root of 13121707872 is 2358.6497514129
Scales and comparisons
How big is 13121707872?- 13,121,707,872 seconds is equal to 417 years, 11 weeks, 6 days, 14 hours, 51 minutes, 12 seconds.
-
To count from 1 to 13,121,707,872 would take you about eight hundred thirty-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 13121707872 cubic inches would be around 196.6 feet tall.
Recreational maths with 13121707872
- 13121707872 backwards is 27870712131
- 13121707872 is a
Harshad number . - The number of decimal digits it has is: 11
- The sum of 13121707872's digits is 39
- More coming soon!
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