21137646394368
21,137,646,394,368 is an even composite number composed of four prime numbers multiplied together.
21137646394368 is an even composite number. It is composed of four distinct prime numbers multiplied together. It has a total of one hundred seventy-six divisors.
Prime factorization of 21137646394368:
210 × 33 × 7 × 109218163
(2 × 2 × 2 × 2 × 2 × 2 × 2 × 2 × 2 × 2 × 3 × 3 × 3 × 7 × 109218163)See below for interesting mathematical facts about the number 21137646394368 from the Numbermatics database.
Names of 21137646394368
- Cardinal: 21137646394368 can be written as Twenty-one trillion, one hundred thirty-seven billion, six hundred forty-six million, three hundred ninety-four thousand, three hundred sixty-eight.
Scientific notation
- Scientific notation: 2.1137646394368 × 1013
Factors of 21137646394368
Divisors of 21137646394368
- Number of divisors d(n): 176
-
Complete list of divisors:
1 2 3 4 6 7 8 9 12 14 16 18 21 24 27 28 32 36 42 48 54 56 63 64 72 84 96 108 112 126 128 144 168 189 192 216 224 252 256 288 336 378 384 432 448 504 512 576 672 756 768 864 896 1008 1024 1152 1344 1512 1536 1728 1792 2016 2304 2688 3024 3072 3456 3584 4032 4608 5376 6048 6912 7168 8064 9216 10752 12096 13824 16128 21504 24192 27648 32256 48384 64512 96768 193536 109218163 218436326 327654489 436872652 655308978 764527141 873745304 982963467 1310617956 1529054282 1747490608 1965926934 2293581423 2621235912 2948890401 3058108564 3494981216 3931853868 4587162846 5242471824 5897780802 6116217128 6880744269 6989962432 7863707736 9174325692 10484943648 11795561604 12232434256 13761488538 13979924864 15727415472 18348651384 20642232807 20969887296 23591123208 24464868512 27522977076 27959849728 31454830944 36697302768 41284465614 41939774592 47182246416 48929737024 55045954152 55919699456 62909661888 73394605536 82568931228 83879549184 94364492832 97859474048 110091908304 111839398912 125819323776 146789211072 165137862456 167759098368 188728985664 195718948096 220183816608 251638647552 293578422144 330275724912 335518196736 377457971328 391437896192 440367633216 503277295104 587156844288 660551449824 754915942656 782875792384 880735266432 1006554590208 1174313688576 1321102899648 1509831885312 1761470532864 2348627377152 2642205799296 3019663770624 3522941065728 5284411598592 7045882131456 10568823197184 21137646394368
- Sum of all divisors σ(n): 71542266146560
- Sum of proper divisors (its aliquot sum) s(n): 50404619752192
- 21137646394368 is an abundant number, because the sum of its proper divisors (50404619752192) is greater than itself. Its abundance is 29266973357824
Bases of 21137646394368
- Binary: 1001100111001011111011110011110011100000000002
- Hexadecimal: 0x13397DE79C00
- Base-36: 7HQI0WLC0
Squares and roots of 21137646394368
- 21137646394368 squared (211376463943682) is 446800095093338510982119424
- 21137646394368 cubed (211376463943683) is 9444302419052986305076874613232377004032
-
The
square root of 21137646394368 is 4597569.6182187389 -
The
cube root of 21137646394368 is 27649.3892651637
Scales and comparisons
How big is 21137646394368?- 21,137,646,394,368 seconds is equal to 672,111 years, 40 weeks, 1 day, 2 hours, 52 minutes, 48 seconds.
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To count from 1 to 21,137,646,394,368 would take you about one million, six hundred eighty thousand, two hundred seventy-nine 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 21137646394368 cubic inches would be around 2304.1 feet tall.
Recreational maths with 21137646394368
- 21137646394368 backwards is 86349364673112
- 21137646394368 is a
Harshad number . - The number of decimal digits it has is: 14
- The sum of 21137646394368's digits is 63
- More coming soon!
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