21004017664
21,004,017,664 is an even composite number composed of four prime numbers multiplied together.
21004017664 is an even composite number. It is composed of four distinct prime numbers multiplied together. It has a total of one hundred twelve divisors.
Prime factorization of 21004017664:
213 × 7 × 157 × 2333
(2 × 2 × 2 × 2 × 2 × 2 × 2 × 2 × 2 × 2 × 2 × 2 × 2 × 7 × 157 × 2333)See below for interesting mathematical facts about the number 21004017664 from the Numbermatics database.
Names of 21004017664
- Cardinal: 21004017664 can be written as Twenty-one billion, four million, seventeen thousand, six hundred sixty-four.
Scientific notation
- Scientific notation: 2.1004017664 × 1010
Factors of 21004017664
Divisors of 21004017664
- Number of divisors d(n): 112
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Complete list of divisors:
1 2 4 7 8 14 16 28 32 56 64 112 128 157 224 256 314 448 512 628 896 1024 1099 1256 1792 2048 2198 2333 2512 3584 4096 4396 4666 5024 7168 8192 8792 9332 10048 14336 16331 17584 18664 20096 28672 32662 35168 37328 40192 57344 65324 70336 74656 80384 130648 140672 149312 160768 261296 281344 298624 321536 366281 522592 562688 597248 643072 732562 1045184 1125376 1194496 1286144 1465124 2090368 2250752 2388992 2563967 2930248 4180736 4501504 4777984 5127934 5860496 8361472 9003008 9555968 10255868 11720992 16722944 19111936 20511736 23441984 33445888 41023472 46883968 66891776 82046944 93767936 133783552 164093888 187535872 328187776 375071744 656375552 750143488 1312751104 1500286976 2625502208 3000573952 5251004416 10502008832 21004017664
- Sum of all divisors σ(n): 48332733408
- Sum of proper divisors (its aliquot sum) s(n): 27328715744
- 21004017664 is an abundant number, because the sum of its proper divisors (27328715744) is greater than itself. Its abundance is 6324698080
Bases of 21004017664
- Binary: 100111000111110111111100000000000002
- Hexadecimal: 0x4E3EFE000
- Base-36: 9ND8ZR4
Squares and roots of 21004017664
- 21004017664 squared (210040176642) is 441168758029624016896
- 21004017664 cubed (210040176643) is 9266316386459164686162218450944
-
The
square root of 21004017664 is 144927.6290567123 -
The
cube root of 21004017664 is 2759.1001085009
Scales and comparisons
How big is 21004017664?- 21,004,017,664 seconds is equal to 667 years, 44 weeks, 6 days, 1 hour, 21 minutes, 4 seconds.
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To count from 1 to 21,004,017,664 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 21004017664 cubic inches would be around 229.9 feet tall.
Recreational maths with 21004017664
- 21004017664 backwards is 46671040012
- The number of decimal digits it has is: 11
- The sum of 21004017664's digits is 31
- More coming soon!
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Keywords: Divisors of 21004017664, math, Factors of 21004017664, curriculum, school, college, exams, university, Prime factorization of 21004017664, STEM, science, technology, engineering, physics, economics, calculator, twenty-one billion, four million, seventeen thousand, six hundred sixty-four.