21215168000
21,215,168,000 is an even composite number composed of five prime numbers multiplied together.
What does the number 21215168000 look like?
This visualization shows the relationship between its 5 prime factors (large circles) and 320 divisors.
21215168000 is an even composite number. It is composed of five distinct prime numbers multiplied together. It has a total of three hundred twenty divisors.
Prime factorization of 21215168000:
29 × 53 × 13 × 43 × 593
(2 × 2 × 2 × 2 × 2 × 2 × 2 × 2 × 2 × 5 × 5 × 5 × 13 × 43 × 593)See below for interesting mathematical facts about the number 21215168000 from the Numbermatics database.
Names of 21215168000
- Cardinal: 21215168000 can be written as Twenty-one billion, two hundred fifteen million, one hundred sixty-eight thousand.
Scientific notation
- Scientific notation: 2.1215168 × 1010
Factors of 21215168000
Divisors of 21215168000
- Number of divisors d(n): 320
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Complete list of divisors:
1 2 4 5 8 10 13 16 20 25 26 32 40 43 50 52 64 65 80 86 100 104 125 128 130 160 172 200 208 215 250 256 260 320 325 344 400 416 430 500 512 520 559 593 640 650 688 800 832 860 1000 1040 1075 1118 1186 1280 1300 1376 1600 1625 1664 1720 2000 2080 2150 2236 2372 2560 2600 2752 2795 2965 3200 3250 3328 3440 4000 4160 4300 4472 4744 5200 5375 5504 5590 5930 6400 6500 6656 6880 7709 8000 8320 8600 8944 9488 10400 10750 11008 11180 11860 12800 13000 13760 13975 14825 15418 16000 16640 17200 17888 18976 20800 21500 22016 22360 23720 25499 26000 27520 27950 29650 30836 32000 33280 34400 35776 37952 38545 41600 43000 44720 47440 50998 52000 55040 55900 59300 61672 64000 68800 69875 71552 74125 75904 77090 83200 86000 89440 94880 101996 104000 110080 111800 118600 123344 127495 137600 139750 143104 148250 151808 154180 166400 172000 178880 189760 192725 203992 208000 223600 237200 246688 254990 275200 279500 286208 296500 303616 308360 331487 344000 357760 379520 385450 407984 416000 447200 474400 493376 509980 550400 559000 593000 616720 637475 662974 688000 715520 759040 770900 815968 832000 894400 948800 963625 986752 1019960 1118000 1186000 1233440 1274950 1325948 1376000 1431040 1518080 1541800 1631936 1657435 1788800 1897600 1927250 1973504 2039920 2236000 2372000 2466880 2549900 2651896 2752000 3083600 3187375 3263872 3314870 3577600 3795200 3854500 3947008 4079840 4472000 4744000 4933760 5099800 5303792 6167200 6374750 6527744 6629740 7155200 7590400 7709000 8159680 8287175 8944000 9488000 9867520 10199600 10607584 12334400 12749500 13055488 13259480 15418000 16319360 16574350 17888000 18976000 19735040 20399200 21215168 24668800 25499000 26518960 30836000 32638720 33148700 35776000 37952000 40798400 41435875 42430336 49337600 50998000 53037920 61672000 65277440 66297400 81596800 82871750 84860672 98675200 101996000 106075840 123344000 132594800 163193600 165743500 169721344 203992000 212151680 246688000 265189600 326387200 331487000 407984000 424303360 493376000 530379200 662974000 815968000 848606720 1060758400 1325948000 1631936000 2121516800 2651896000 4243033600 5303792000 10607584000 21215168000
- Sum of all divisors σ(n): 58393887552
- Sum of proper divisors (its aliquot sum) s(n): 37178719552
- 21215168000 is an abundant number, because the sum of its proper divisors (37178719552) is greater than itself. Its abundance is 15963551552
Bases of 21215168000
- Binary: 100111100001000010111000110000000002
- Hexadecimal: 0x4F085C600
- Base-36: 9QUYOE8
Squares and roots of 21215168000
- 21215168000 squared (212151680002) is 450083353268224000000
- 21215168000 cubed (212151680003) is 9548593953588721221632000000000
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The
square root of 21215168000 is 145654.2755980749 -
The
cube root of 21215168000 is 2768.3149095427
Scales and comparisons
How big is 21215168000?- 21,215,168,000 seconds is equal to 674 years, 29 weeks, 6 days, 22 hours, 13 minutes, 20 seconds.
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To count from 1 to 21,215,168,000 would take you about one thousand, three hundred forty-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 21215168000 cubic inches would be around 230.7 feet tall.
Recreational maths with 21215168000
- 21215168000 backwards is 00086151212
- 21215168000 is a
Harshad number . - The number of decimal digits it has is: 11
- The sum of 21215168000's digits is 26
- More coming soon!
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