21138676832
21,138,676,832 is an even composite number composed of five prime numbers multiplied together.
What does the number 21138676832 look like?
This visualization shows the relationship between its 5 prime factors (large circles) and 216 divisors.
21138676832 is an even composite number. It is composed of five distinct prime numbers multiplied together. It has a total of two hundred sixteen divisors.
Prime factorization of 21138676832:
25 × 72 × 132 × 241 × 331
(2 × 2 × 2 × 2 × 2 × 7 × 7 × 13 × 13 × 241 × 331)See below for interesting mathematical facts about the number 21138676832 from the Numbermatics database.
Names of 21138676832
- Cardinal: 21138676832 can be written as Twenty-one billion, one hundred thirty-eight million, six hundred seventy-six thousand, eight hundred thirty-two.
Scientific notation
- Scientific notation: 2.1138676832 × 1010
Factors of 21138676832
Divisors of 21138676832
- Number of divisors d(n): 216
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Complete list of divisors:
1 2 4 7 8 13 14 16 26 28 32 49 52 56 91 98 104 112 169 182 196 208 224 241 331 338 364 392 416 482 637 662 676 728 784 964 1183 1274 1324 1352 1456 1568 1687 1928 2317 2366 2548 2648 2704 2912 3133 3374 3856 4303 4634 4732 5096 5296 5408 6266 6748 7712 8281 8606 9268 9464 10192 10592 11809 12532 13496 16219 16562 17212 18536 18928 20384 21931 23618 25064 26992 30121 32438 33124 34424 37072 37856 40729 43862 47236 50128 53984 55939 60242 64876 66248 68848 74144 79771 81458 87724 94472 100256 111878 120484 129752 132496 137696 153517 159542 162916 175448 188944 210847 223756 240968 259504 264992 285103 307034 319084 325832 350896 377888 391573 421694 447512 481936 519008 558397 570206 614068 638168 651664 701792 783146 843388 895024 963872 1037023 1116794 1140412 1228136 1276336 1303328 1566292 1686776 1790048 1995721 2074046 2233588 2280824 2456272 2552672 2741011 3132584 3373552 3908779 3991442 4148092 4467176 4561648 4912544 5482022 6265168 6747104 7259161 7817558 7982884 8296184 8934352 9123296 10964044 12530336 13481299 14518322 15635116 15965768 16592368 17868704 21928088 26962598 29036644 31270232 31931536 33184736 43856176 50814127 53925196 58073288 62540464 63863072 87712352 94369093 101628254 107850392 116146576 125080928 188738186 203256508 215700784 232293152 377476372 406513016 431401568 660583651 754952744 813026032 1321167302 1509905488 1626052064 2642334604 3019810976 5284669208 10569338416 21138676832
- Sum of all divisors σ(n): 52798300632
- Sum of proper divisors (its aliquot sum) s(n): 31659623800
- 21138676832 is an abundant number, because the sum of its proper divisors (31659623800) is greater than itself. Its abundance is 10520946968
Bases of 21138676832
- Binary: 100111010111111011010011100011000002
- Hexadecimal: 0x4EBF69C60
- Base-36: 9PLF7FK
Squares and roots of 21138676832
- 21138676832 squared (211386768322) is 446843658207733556224
- 21138676832 cubed (211386768323) is 9445683685281943968181238202368
-
The
square root of 21138676832 is 145391.4606570827 -
The
cube root of 21138676832 is 2764.9838550573
Scales and comparisons
How big is 21138676832?- 21,138,676,832 seconds is equal to 672 years, 7 weeks, 3 days, 14 hours, 40 minutes, 32 seconds.
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To count from 1 to 21,138,676,832 would take you about one thousand, three hundred forty-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 21138676832 cubic inches would be around 230.4 feet tall.
Recreational maths with 21138676832
- 21138676832 backwards is 23867683112
- The number of decimal digits it has is: 11
- The sum of 21138676832's digits is 47
- More coming soon!
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