21142428125
21,142,428,125 is an odd composite number composed of five prime numbers multiplied together.
21142428125 is an odd composite number. It is composed of five distinct prime numbers multiplied together. It has a total of two hundred sixteen divisors.
Prime factorization of 21142428125:
55 × 72 × 132 × 19 × 43
(5 × 5 × 5 × 5 × 5 × 7 × 7 × 13 × 13 × 19 × 43)See below for interesting mathematical facts about the number 21142428125 from the Numbermatics database.
Names of 21142428125
- Cardinal: 21142428125 can be written as Twenty-one billion, one hundred forty-two million, four hundred twenty-eight thousand, one hundred twenty-five.
Scientific notation
- Scientific notation: 2.1142428125 × 1010
Factors of 21142428125
Divisors of 21142428125
- Number of divisors d(n): 216
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Complete list of divisors:
1 5 7 13 19 25 35 43 49 65 91 95 125 133 169 175 215 245 247 301 325 455 475 559 625 637 665 817 845 875 931 1075 1183 1225 1235 1505 1625 1729 2107 2275 2375 2795 3125 3185 3211 3325 3913 4085 4225 4375 4655 5375 5719 5915 6125 6175 7267 7525 8125 8281 8645 10535 10621 11375 11875 12103 13975 15925 16055 16625 19565 20425 21125 21875 22477 23275 26875 27391 28595 29575 30625 30875 36335 37625 40033 40625 41405 43225 50869 52675 53105 56875 59375 60515 69875 74347 79625 80275 83125 97825 102125 105625 112385 116375 134375 136955 138073 142975 147875 153125 154375 157339 181675 188125 200165 207025 216125 254345 263375 265525 284375 302575 349375 356083 371735 398125 401375 415625 489125 510625 520429 528125 561925 581875 684775 690365 714875 739375 771875 786695 908375 940625 966511 1000825 1035125 1080625 1271725 1316875 1327625 1512875 1746875 1780415 1858675 1990625 2006875 2445625 2553125 2602145 2809625 2909375 3423875 3451825 3574375 3696875 3933475 4541875 4832555 5004125 5175625 5403125 6358625 6584375 6638125 6765577 7564375 8902075 9293375 10034375 12228125 13010725 14048125 17119375 17259125 17871875 19667375 22709375 24162775 25020625 25878125 31793125 33190625 33827885 37821875 44510375 46466875 65053625 70240625 85596875 86295625 98336875 120813875 125103125 158965625 169139425 222551875 232334375 325268125 431478125 491684375 604069375 845697125 1112759375 1626340625 3020346875 4228485625 21142428125
- Sum of all divisors σ(n): 35854267680
- Sum of proper divisors (its aliquot sum) s(n): 14711839555
- 21142428125 is a deficient number, because the sum of its proper divisors (14711839555) is less than itself. Its deficiency is 6430588570
Bases of 21142428125
- Binary: 100111011000010111111011001110111012
- Hexadecimal: 0x4EC2FD9DD
- Base-36: 9PNNLY5
Squares and roots of 21142428125
- 21142428125 squared (211424281252) is 447002267020791015625
- 21142428125 cubed (211424281253) is 9450713302199131928497314453125
-
The
square root of 21142428125 is 145404.3607496007 -
The
cube root of 21142428125 is 2765.1474044153
Scales and comparisons
How big is 21142428125?- 21,142,428,125 seconds is equal to 672 years, 13 weeks, 5 days, 42 minutes, 5 seconds.
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To count from 1 to 21,142,428,125 would take you about one thousand, three hundred forty-four 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 21142428125 cubic inches would be around 230.4 feet tall.
Recreational maths with 21142428125
- 21142428125 backwards is 52182424112
- The number of decimal digits it has is: 11
- The sum of 21142428125's digits is 32
- More coming soon!
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