21042421248
21,042,421,248 is an even composite number composed of four prime numbers multiplied together.
21042421248 is an even composite number. It is composed of four distinct prime numbers multiplied together. It has a total of one hundred twenty divisors.
Prime factorization of 21042421248:
29 × 3 × 532 × 4877
(2 × 2 × 2 × 2 × 2 × 2 × 2 × 2 × 2 × 3 × 53 × 53 × 4877)See below for interesting mathematical facts about the number 21042421248 from the Numbermatics database.
Names of 21042421248
- Cardinal: 21042421248 can be written as Twenty-one billion, forty-two million, four hundred twenty-one thousand, two hundred forty-eight.
Scientific notation
- Scientific notation: 2.1042421248 × 1010
Factors of 21042421248
Divisors of 21042421248
- Number of divisors d(n): 120
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Complete list of divisors:
1 2 3 4 6 8 12 16 24 32 48 53 64 96 106 128 159 192 212 256 318 384 424 512 636 768 848 1272 1536 1696 2544 2809 3392 4877 5088 5618 6784 8427 9754 10176 11236 13568 14631 16854 19508 20352 22472 27136 29262 33708 39016 40704 44944 58524 67416 78032 81408 89888 117048 134832 156064 179776 234096 258481 269664 312128 359552 468192 516962 539328 624256 719104 775443 936384 1033924 1078656 1248512 1438208 1550886 1872768 2067848 2157312 2497024 3101772 3745536 4135696 4314624 6203544 7491072 8271392 12407088 13699493 16542784 24814176 27398986 33085568 41098479 49628352 54797972 66171136 82196958 99256704 109595944 132342272 164393916 198513408 219191888 328787832 397026816 438383776 657575664 876767552 1315151328 1753535104 2630302656 3507070208 5260605312 7014140416 10521210624 21042421248
- Sum of all divisors σ(n): 57147701688
- Sum of proper divisors (its aliquot sum) s(n): 36105280440
- 21042421248 is an abundant number, because the sum of its proper divisors (36105280440) is greater than itself. Its abundance is 15062859192
Bases of 21042421248
- Binary: 100111001100011100111011110000000002
- Hexadecimal: 0x4E639DE00
- Base-36: 9O0445C
Squares and roots of 21042421248
- 21042421248 squared (210424212482) is 442783491978281877504
- 21042421248 cubed (210424212483) is 9317236759867436133723502804992
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The
square root of 21042421248 is 145060.0608299887 -
The
cube root of 21042421248 is 2760.7806571397
Scales and comparisons
How big is 21042421248?- 21,042,421,248 seconds is equal to 669 years, 4 weeks, 2 days, 13 hours, 48 seconds.
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To count from 1 to 21,042,421,248 would take you about one thousand, three hundred thirty-eight 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 21042421248 cubic inches would be around 230.1 feet tall.
Recreational maths with 21042421248
- 21042421248 backwards is 84212424012
- The number of decimal digits it has is: 11
- The sum of 21042421248's digits is 30
- More coming soon!
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Keywords: Divisors of 21042421248, math, Factors of 21042421248, curriculum, school, college, exams, university, Prime factorization of 21042421248, STEM, science, technology, engineering, physics, economics, calculator, twenty-one billion, forty-two million, four hundred twenty-one thousand, two hundred forty-eight.