21321604416
21,321,604,416 is an even composite number composed of four prime numbers multiplied together.
21321604416 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 21321604416:
26 × 3 × 73 × 5692
(2 × 2 × 2 × 2 × 2 × 2 × 3 × 7 × 7 × 7 × 569 × 569)See below for interesting mathematical facts about the number 21321604416 from the Numbermatics database.
Names of 21321604416
- Cardinal: 21321604416 can be written as Twenty-one billion, three hundred twenty-one million, six hundred four thousand, four hundred sixteen.
Scientific notation
- Scientific notation: 2.1321604416 × 1010
Factors of 21321604416
Divisors of 21321604416
- Number of divisors d(n): 168
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Complete list of divisors:
1 2 3 4 6 7 8 12 14 16 21 24 28 32 42 48 49 56 64 84 96 98 112 147 168 192 196 224 294 336 343 392 448 569 588 672 686 784 1029 1138 1176 1344 1372 1568 1707 2058 2276 2352 2744 3136 3414 3983 4116 4552 4704 5488 6828 7966 8232 9104 9408 10976 11949 13656 15932 16464 18208 21952 23898 27312 27881 31864 32928 36416 47796 54624 55762 63728 65856 83643 95592 109248 111524 127456 167286 191184 195167 223048 254912 323761 334572 382368 390334 446096 585501 647522 669144 764736 780668 892192 971283 1171002 1295044 1338288 1561336 1784384 1942566 2266327 2342004 2590088 2676576 3122672 3885132 4532654 4684008 5180176 5353152 6245344 6798981 7770264 9065308 9368016 10360352 12490688 13597962 15540528 15864289 18130616 18736032 20720704 27195924 31081056 31728578 36261232 37472064 47592867 54391848 62162112 63457156 72522464 95185734 108783696 111050023 126914312 145044928 190371468 217567392 222100046 253828624 333150069 380742936 435134784 444200092 507657248 666300138 761485872 888400184 1015314496 1332600276 1522971744 1776800368 2665200552 3045943488 3553600736 5330401104 7107201472 10660802208 21321604416
- Sum of all divisors σ(n): 65904059200
- Sum of proper divisors (its aliquot sum) s(n): 44582454784
- 21321604416 is an abundant number, because the sum of its proper divisors (44582454784) is greater than itself. Its abundance is 23260850368
Bases of 21321604416
- Binary: 100111101101101110111011101010000002
- Hexadecimal: 0x4F6DDDD40
- Base-36: 9SMBZ9C
Squares and roots of 21321604416
- 21321604416 squared (213216044162) is 454610814872390701056
- 21321604416 cubed (213216044163) is 9693031957944524048112945463296
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The
square root of 21321604416 is 146019.1919440729 -
The
cube root of 21321604416 is 2772.9367306589
Scales and comparisons
How big is 21321604416?- 21,321,604,416 seconds is equal to 677 years, 49 weeks, 6 days, 19 hours, 53 minutes, 36 seconds.
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To count from 1 to 21,321,604,416 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 21321604416 cubic inches would be around 231.1 feet tall.
Recreational maths with 21321604416
- 21321604416 backwards is 61440612312
- The number of decimal digits it has is: 11
- The sum of 21321604416's digits is 30
- More coming soon!
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