21007221672
21,007,221,672 is an even composite number composed of five prime numbers multiplied together.
21007221672 is an even composite number. It is composed of five distinct prime numbers multiplied together. It has a total of one hundred forty-four divisors.
Prime factorization of 21007221672:
23 × 3 × 23 × 312 × 1992
(2 × 2 × 2 × 3 × 23 × 31 × 31 × 199 × 199)See below for interesting mathematical facts about the number 21007221672 from the Numbermatics database.
Names of 21007221672
- Cardinal: 21007221672 can be written as Twenty-one billion, seven million, two hundred twenty-one thousand, six hundred seventy-two.
Scientific notation
- Scientific notation: 2.1007221672 × 1010
Factors of 21007221672
Divisors of 21007221672
- Number of divisors d(n): 144
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Complete list of divisors:
1 2 3 4 6 8 12 23 24 31 46 62 69 92 93 124 138 184 186 199 248 276 372 398 552 597 713 744 796 961 1194 1426 1592 1922 2139 2388 2852 2883 3844 4278 4577 4776 5704 5766 6169 7688 8556 9154 11532 12338 13731 17112 18308 18507 22103 23064 24676 27462 36616 37014 39601 44206 49352 54924 66309 74028 79202 88412 109848 118803 132618 141887 148056 158404 176824 191239 237606 265236 283774 316808 382478 425661 475212 530472 567548 573717 764956 851322 910823 950424 1135096 1147434 1227631 1529912 1702644 1821646 2294868 2455262 2732469 3405288 3643292 3682893 4398497 4589736 4910524 5464938 7286584 7365786 8796994 9821048 10929876 13195491 14731572 17593988 21859752 26390982 28235513 29463144 35187976 38056561 52781964 56471026 76113122 84706539 105563928 112942052 114169683 152226244 169413078 225884104 228339366 304452488 338826156 456678732 677652312 875300903 913357464 1750601806 2625902709 3501203612 5251805418 7002407224 10503610836 21007221672
- Sum of all divisors σ(n): 56912245920
- Sum of proper divisors (its aliquot sum) s(n): 35905024248
- 21007221672 is an abundant number, because the sum of its proper divisors (35905024248) is greater than itself. Its abundance is 14897802576
Bases of 21007221672
- Binary: 100111001000010000011000011101010002
- Hexadecimal: 0x4E420C3A8
- Base-36: 9NF5NZC
Squares and roots of 21007221672
- 21007221672 squared (210072216722) is 441303362376546475584
- 21007221672 cubed (210072216723) is 9270557558043056546403423656448
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The
square root of 21007221672 is 144938.6824557199 -
The
cube root of 21007221672 is 2759.2403948259
Scales and comparisons
How big is 21007221672?- 21,007,221,672 seconds is equal to 667 years, 50 weeks, 1 day, 3 hours, 21 minutes, 12 seconds.
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To count from 1 to 21,007,221,672 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 21007221672 cubic inches would be around 229.9 feet tall.
Recreational maths with 21007221672
- 21007221672 backwards is 27612270012
- The number of decimal digits it has is: 11
- The sum of 21007221672's digits is 30
- More coming soon!
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Keywords: Divisors of 21007221672, math, Factors of 21007221672, curriculum, school, college, exams, university, Prime factorization of 21007221672, STEM, science, technology, engineering, physics, economics, calculator, twenty-one billion, seven million, two hundred twenty-one thousand, six hundred seventy-two.