21321673984
21,321,673,984 is an even composite number composed of four prime numbers multiplied together.
What does the number 21321673984 look like?
This visualization shows the relationship between its 4 prime factors (large circles) and 108 divisors.
21321673984 is an even composite number. It is composed of four distinct prime numbers multiplied together. It has a total of one hundred eight divisors.
Prime factorization of 21321673984:
28 × 13 × 97 × 2572
(2 × 2 × 2 × 2 × 2 × 2 × 2 × 2 × 13 × 97 × 257 × 257)See below for interesting mathematical facts about the number 21321673984 from the Numbermatics database.
Names of 21321673984
- Cardinal: 21321673984 can be written as Twenty-one billion, three hundred twenty-one million, six hundred seventy-three thousand, nine hundred eighty-four.
Scientific notation
- Scientific notation: 2.1321673984 × 1010
Factors of 21321673984
Divisors of 21321673984
- Number of divisors d(n): 108
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Complete list of divisors:
1 2 4 8 13 16 26 32 52 64 97 104 128 194 208 256 257 388 416 514 776 832 1028 1261 1552 1664 2056 2522 3104 3328 3341 4112 5044 6208 6682 8224 10088 12416 13364 16448 20176 24832 24929 26728 32896 40352 49858 53456 65792 66049 80704 99716 106912 132098 161408 199432 213824 264196 322816 324077 398864 427648 528392 648154 797728 855296 858637 1056784 1296308 1595456 1717274 2113568 2592616 3190912 3434548 4227136 5185232 6381824 6406753 6869096 8454272 10370464 12813506 13738192 16908544 20740928 25627012 27476384 41481856 51254024 54952768 82963712 83287789 102508048 109905536 166575578 205016096 219811072 333151156 410032192 666302312 820064384 1332604624 1640128768 2665209248 5330418496 10660836992 21321673984
- Sum of all divisors σ(n): 46487307244
- Sum of proper divisors (its aliquot sum) s(n): 25165633260
- 21321673984 is an abundant number, because the sum of its proper divisors (25165633260) is greater than itself. Its abundance is 3843959276
Bases of 21321673984
- Binary: 100111101101101111011101101000000002
- Hexadecimal: 0x4F6DEED00
- Base-36: 9SMDGXS
Squares and roots of 21321673984
- 21321673984 squared (213216739842) is 454613781479982432256
- 21321673984 cubed (213216739843) is 9693126837349602442609797627904
-
The
square root of 21321673984 is 146019.4301591403 -
The
cube root of 21321673984 is 2772.9397464959
Scales and comparisons
How big is 21321673984?- 21,321,673,984 seconds is equal to 677 years, 50 weeks, 15 hours, 13 minutes, 4 seconds.
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To count from 1 to 21,321,673,984 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 21321673984 cubic inches would be around 231.1 feet tall.
Recreational maths with 21321673984
- 21321673984 backwards is 48937612312
- The number of decimal digits it has is: 11
- The sum of 21321673984's digits is 46
- More coming soon!
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Keywords: Divisors of 21321673984, math, Factors of 21321673984, curriculum, school, college, exams, university, Prime factorization of 21321673984, STEM, science, technology, engineering, physics, economics, calculator, twenty-one billion, three hundred twenty-one million, six hundred seventy-three thousand, nine hundred eighty-four.