21007241728
21,007,241,728 is an even composite number composed of four prime numbers multiplied together.
21007241728 is an even composite number. It is composed of four distinct prime numbers multiplied together. It has a total of one hundred eighty divisors.
Prime factorization of 21007241728:
29 × 112 × 232 × 641
(2 × 2 × 2 × 2 × 2 × 2 × 2 × 2 × 2 × 11 × 11 × 23 × 23 × 641)See below for interesting mathematical facts about the number 21007241728 from the Numbermatics database.
Names of 21007241728
- Cardinal: 21007241728 can be written as Twenty-one billion, seven million, two hundred forty-one thousand, seven hundred twenty-eight.
Scientific notation
- Scientific notation: 2.1007241728 × 1010
Factors of 21007241728
Divisors of 21007241728
- Number of divisors d(n): 180
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Complete list of divisors:
1 2 4 8 11 16 22 23 32 44 46 64 88 92 121 128 176 184 242 253 256 352 368 484 506 512 529 641 704 736 968 1012 1058 1282 1408 1472 1936 2024 2116 2564 2783 2816 2944 3872 4048 4232 5128 5566 5632 5819 5888 7051 7744 8096 8464 10256 11132 11638 11776 14102 14743 15488 16192 16928 20512 22264 23276 28204 29486 30976 32384 33856 41024 44528 46552 56408 58972 61952 64009 64768 67712 77561 82048 89056 93104 112816 117944 128018 129536 135424 155122 162173 164096 178112 186208 225632 235888 256036 270848 310244 324346 328192 339089 356224 372416 451264 471776 512072 620488 648692 678178 712448 744832 902528 943552 1024144 1240976 1297384 1356356 1424896 1489664 1783903 1805056 1887104 2048288 2481952 2594768 2712712 2979328 3567806 3610112 3729979 3774208 4096576 4963904 5189536 5425424 7135612 7459958 7548416 8193152 9927808 10379072 10850848 14271224 14919916 16386304 19855616 20758144 21701696 28542448 29839832 32772608 39711232 41029769 41516288 43403392 57084896 59679664 82059538 83032576 86806784 114169792 119359328 164119076 173613568 228339584 238718656 328238152 456679168 477437312 656476304 913358336 954874624 1312952608 1909749248 2625905216 5251810432 10503620864 21007241728
- Sum of all divisors σ(n): 48304482534
- Sum of proper divisors (its aliquot sum) s(n): 27297240806
- 21007241728 is an abundant number, because the sum of its proper divisors (27297240806) is greater than itself. Its abundance is 6289999078
Bases of 21007241728
- Binary: 100111001000010000100010010000000002
- Hexadecimal: 0x4E4211200
- Base-36: 9NF63GG
Squares and roots of 21007241728
- 21007241728 squared (210072417282) is 441304205018624425984
- 21007241728 cubed (210072417283) is 9270584110409114058691132260352
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The
square root of 21007241728 is 144938.7516435821 -
The
cube root of 21007241728 is 2759.2412729257
Scales and comparisons
How big is 21007241728?- 21,007,241,728 seconds is equal to 667 years, 50 weeks, 1 day, 8 hours, 55 minutes, 28 seconds.
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To count from 1 to 21,007,241,728 would take you about one thousand, three hundred thirty-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 21007241728 cubic inches would be around 229.9 feet tall.
Recreational maths with 21007241728
- 21007241728 backwards is 82714270012
- The number of decimal digits it has is: 11
- The sum of 21007241728's digits is 34
- More coming soon!
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The information we have on file for 21007241728 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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