21312671616
21,312,671,616 is an even composite number composed of five prime numbers multiplied together.
What does the number 21312671616 look like?
This visualization shows the relationship between its 5 prime factors (large circles) and 256 divisors.
21312671616 is an even composite number. It is composed of five distinct prime numbers multiplied together. It has a total of two hundred fifty-six divisors.
Prime factorization of 21312671616:
27 × 33 × 31 × 331 × 601
(2 × 2 × 2 × 2 × 2 × 2 × 2 × 3 × 3 × 3 × 31 × 331 × 601)See below for interesting mathematical facts about the number 21312671616 from the Numbermatics database.
Names of 21312671616
- Cardinal: 21312671616 can be written as Twenty-one billion, three hundred twelve million, six hundred seventy-one thousand, six hundred sixteen.
Scientific notation
- Scientific notation: 2.1312671616 × 1010
Factors of 21312671616
Divisors of 21312671616
- Number of divisors d(n): 256
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Complete list of divisors:
1 2 3 4 6 8 9 12 16 18 24 27 31 32 36 48 54 62 64 72 93 96 108 124 128 144 186 192 216 248 279 288 331 372 384 432 496 558 576 601 662 744 837 864 992 993 1116 1152 1202 1324 1488 1674 1728 1803 1984 1986 2232 2404 2648 2976 2979 3348 3456 3606 3968 3972 4464 4808 5296 5409 5952 5958 6696 7212 7944 8928 8937 9616 10261 10592 10818 11904 11916 13392 14424 15888 16227 17856 17874 18631 19232 20522 21184 21636 23832 26784 28848 30783 31776 32454 35712 35748 37262 38464 41044 42368 43272 47664 53568 55893 57696 61566 63552 64908 71496 74524 76928 82088 86544 92349 95328 107136 111786 115392 123132 127104 129816 142992 149048 164176 167679 173088 184698 190656 198931 223572 230784 246264 259632 277047 285984 298096 328352 335358 346176 369396 381312 397862 447144 492528 503037 519264 554094 571968 596192 596793 656704 670716 692352 738792 795724 894288 985056 1006074 1038528 1108188 1143936 1192384 1193586 1313408 1341432 1477584 1591448 1788576 1790379 1970112 2012148 2077056 2216376 2384768 2387172 2682864 2955168 3182896 3577152 3580758 3940224 4024296 4432752 4774344 5365728 5371137 5910336 6166861 6365792 7154304 7161516 8048592 8865504 9548688 10731456 10742274 11820672 12333722 12731584 14323032 16097184 17731008 18500583 19097376 21462912 21484548 24667444 25463168 28646064 32194368 35462016 37001166 38194752 42969096 49334888 55501749 57292128 64388736 74002332 76389504 85938192 98669776 111003498 114584256 148004664 166505247 171876384 197339552 222006996 229168512 296009328 333010494 343752768 394679104 444013992 592018656 666020988 687505536 789358208 888027984 1184037312 1332041976 1776055968 2368074624 2664083952 3552111936 5328167904 7104223872 10656335808 21312671616
- Sum of all divisors σ(n): 65235609600
- Sum of proper divisors (its aliquot sum) s(n): 43922937984
- 21312671616 is an abundant number, because the sum of its proper divisors (43922937984) is greater than itself. Its abundance is 22610266368
Bases of 21312671616
- Binary: 100111101100101010110001111100000002
- Hexadecimal: 0x4F6558F80
- Base-36: 9SH0IO0
Squares and roots of 21312671616
- 21312671616 squared (213126716162) is 454229971411452051456
- 21312671616 cubed (213126716163) is 9680854218837345594411262672896
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The
square root of 21312671616 is 145988.6009796655 -
The
cube root of 21312671616 is 2772.5494310177
Scales and comparisons
How big is 21312671616?- 21,312,671,616 seconds is equal to 677 years, 35 weeks, 1 day, 10 hours, 33 minutes, 36 seconds.
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To count from 1 to 21,312,671,616 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 21312671616 cubic inches would be around 231 feet tall.
Recreational maths with 21312671616
- 21312671616 backwards is 61617621312
- 21312671616 is a
Harshad number . - The number of decimal digits it has is: 11
- The sum of 21312671616's digits is 36
- More coming soon!
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