21309844416
21,309,844,416 is an even composite number composed of five prime numbers multiplied together.
21309844416 is an even composite number. It is composed of five distinct prime numbers multiplied together. It has a total of two hundred fifty-two divisors.
Prime factorization of 21309844416:
26 × 3 × 72 × 312 × 2357
(2 × 2 × 2 × 2 × 2 × 2 × 3 × 7 × 7 × 31 × 31 × 2357)See below for interesting mathematical facts about the number 21309844416 from the Numbermatics database.
Names of 21309844416
- Cardinal: 21309844416 can be written as Twenty-one billion, three hundred nine million, eight hundred forty-four thousand, four hundred sixteen.
Scientific notation
- Scientific notation: 2.1309844416 × 1010
Factors of 21309844416
Divisors of 21309844416
- Number of divisors d(n): 252
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Complete list of divisors:
1 2 3 4 6 7 8 12 14 16 21 24 28 31 32 42 48 49 56 62 64 84 93 96 98 112 124 147 168 186 192 196 217 224 248 294 336 372 392 434 448 496 588 651 672 744 784 868 961 992 1176 1302 1344 1488 1519 1568 1736 1922 1984 2352 2357 2604 2883 2976 3038 3136 3472 3844 4557 4704 4714 5208 5766 5952 6076 6727 6944 7071 7688 9114 9408 9428 10416 11532 12152 13454 13888 14142 15376 16499 18228 18856 20181 20832 23064 24304 26908 28284 30752 32998 36456 37712 40362 41664 46128 47089 48608 49497 53816 56568 61504 65996 72912 73067 75424 80724 92256 94178 97216 98994 107632 113136 115493 131992 141267 145824 146134 150848 161448 184512 188356 197988 215264 219201 226272 230986 263984 282534 291648 292268 322896 346479 376712 395976 430528 438402 452544 461972 511469 527968 565068 584536 645792 692958 753424 791952 876804 923944 1022938 1055936 1130136 1169072 1291584 1385916 1506848 1534407 1583904 1753608 1847888 2045876 2260272 2265077 2338144 2771832 3013696 3068814 3167808 3507216 3580283 3695776 4091752 4520544 4530154 4676288 5543664 6137628 6795231 7014432 7160566 7391552 8183504 9041088 9060308 10740849 11087328 12275256 13590462 14028864 14321132 15855539 16367008 18120616 21481698 22174656 24550512 27180924 28642264 31711078 32734016 36241232 42963396 47566617 49101024 54361848 57284528 63422156 72482464 85926792 95133234 98202048 108723696 110988773 114569056 126844312 144964928 171853584 190266468 217447392 221977546 229138112 253688624 332966319 343707168 380532936 434894784 443955092 507377248 665932638 687414336 761065872 887910184 1014754496 1331865276 1522131744 1775820368 2663730552 3044263488 3551640736 5327461104 7103281472 10654922208 21309844416
- Sum of all divisors σ(n): 67800300264
- Sum of proper divisors (its aliquot sum) s(n): 46490455848
- 21309844416 is an abundant number, because the sum of its proper divisors (46490455848) is greater than itself. Its abundance is 25180611432
Bases of 21309844416
- Binary: 100111101100010101001101011110000002
- Hexadecimal: 0x4F62A6BC0
- Base-36: 9SFBX6O
Squares and roots of 21309844416
- 21309844416 squared (213098444162) is 454109469034126381056
- 21309844416 cubed (213098444163) is 9677002132949602974784489783296
-
The
square root of 21309844416 is 145978.9177107433 -
The
cube root of 21309844416 is 2772.4268294887
Scales and comparisons
How big is 21309844416?- 21,309,844,416 seconds is equal to 677 years, 30 weeks, 3 days, 17 hours, 13 minutes, 36 seconds.
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To count from 1 to 21,309,844,416 would take you about one thousand, three hundred fifty-five 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 21309844416 cubic inches would be around 231 feet tall.
Recreational maths with 21309844416
- 21309844416 backwards is 61444890312
- 21309844416 is a
Harshad number . - The number of decimal digits it has is: 11
- The sum of 21309844416's digits is 42
- More coming soon!
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The information we have on file for 21309844416 includes mathematical data and numerical statistics calculated using standard algorithms and methods. We are adding more all the time. If there are any features you would like to see, please contact us. Information provided for educational use, intellectual curiosity and fun!
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