21315000
21,315,000 is an even composite number composed of five prime numbers multiplied together.
21315000 is an even composite number. It is composed of five distinct prime numbers multiplied together. It has a total of two hundred forty divisors.
Prime factorization of 21315000:
23 × 3 × 54 × 72 × 29
(2 × 2 × 2 × 3 × 5 × 5 × 5 × 5 × 7 × 7 × 29)See below for interesting mathematical facts about the number 21315000 from the Numbermatics database.
Names of 21315000
- Cardinal: 21315000 can be written as Twenty-one million, three hundred fifteen thousand.
Scientific notation
- Scientific notation: 2.1315 × 107
Factors of 21315000
Divisors of 21315000
- Number of divisors d(n): 240
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Complete list of divisors:
1 2 3 4 5 6 7 8 10 12 14 15 20 21 24 25 28 29 30 35 40 42 49 50 56 58 60 70 75 84 87 98 100 105 116 120 125 140 145 147 150 168 174 175 196 200 203 210 232 245 250 280 290 294 300 348 350 375 392 406 420 435 490 500 525 580 588 600 609 625 696 700 725 735 750 812 840 870 875 980 1000 1015 1050 1160 1176 1218 1225 1250 1400 1421 1450 1470 1500 1624 1740 1750 1875 1960 2030 2100 2175 2436 2450 2500 2625 2842 2900 2940 3000 3045 3480 3500 3625 3675 3750 4060 4200 4263 4350 4375 4872 4900 5000 5075 5250 5684 5800 5880 6090 6125 7000 7105 7250 7350 7500 8120 8526 8700 8750 9800 10150 10500 10875 11368 12180 12250 13125 14210 14500 14700 15000 15225 17052 17400 17500 18125 18375 20300 21000 21315 21750 24360 24500 25375 26250 28420 29000 29400 30450 30625 34104 35000 35525 36250 36750 40600 42630 43500 49000 50750 52500 54375 56840 60900 61250 71050 72500 73500 76125 85260 87000 91875 101500 105000 106575 108750 121800 122500 126875 142100 145000 147000 152250 170520 177625 183750 203000 213150 217500 245000 253750 284200 304500 355250 367500 380625 426300 435000 507500 532875 609000 710500 735000 761250 852600 888125 1015000 1065750 1421000 1522500 1776250 2131500 2664375 3045000 3552500 4263000 5328750 7105000 10657500 21315000
- Sum of all divisors σ(n): 80130600
- Sum of proper divisors (its aliquot sum) s(n): 58815600
- 21315000 is an abundant number, because the sum of its proper divisors (58815600) is greater than itself. Its abundance is 37500600
Bases of 21315000
- Binary: 10100010100111101101110002
- Hexadecimal: 0x1453DB8
- Base-36: COURC
Squares and roots of 21315000
- 21315000 squared (213150002) is 454329225000000
- 21315000 cubed (213150003) is 9684027430875000000000
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The
square root of 21315000 is 4616.8170853955 -
The
cube root of 21315000 is 277.2650393251
Scales and comparisons
How big is 21315000?- 21,315,000 seconds is equal to 35 weeks, 1 day, 16 hours, 50 minutes.
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To count from 1 to 21,315,000 would take you about six days!
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 21315000 cubic inches would be around 23.1 feet tall.
Recreational maths with 21315000
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The information we have on file for 21315000 includes mathematical data and numerical statistics calculated using standard algorithms and methods. We are adding more all the time. If there are any features you would like to see, please contact us. Information provided for educational use, intellectual curiosity and fun!
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