21721337 is an odd 8-digits composite number following 21721336
and preceding 21721338 . In scientific notation, it is written as 2.1721337 × 10^7.
The sum of its digits is 26. It has a total of 3 prime factors and 8 positive divisors.
There are 19658160 positive integers (up to 21721337) that are relatively prime to 21721337.
21721337 has 8 divisors, whose sum is 23802240
The reverse of 21721337 is 73312712
Previous prime number is 229
Is Prime? no
Number parity odd
Number length 8
Sum of Digits 26
Digital Root 8
Name
twenty-one million seven hundred twenty-one thousand three hundred thirty-seven
Scientific notation
2.1721337 × 10^7
Engineering notation
2.1721337 × 10^6
Prime Factorization
11 × 229 × 8623
Composite number
ω
Distinct Factors
3
Total number of distinct prime factors
Ω
Total Factors
3
Total number of prime factors
rad
Radical
21721337
Product of the distinct prime numbers
The prime factorization of 21721337 is 11 × 229 × 8623.
Since it has a total of 3 prime factors.
10 , 1 , 56 , 81 , 998 , 431 , 6843 , 7533 , 76835 , 50480 , 990836 , 908614 , 2685925 , 4395305 , 34970772 , 67265054 , 252237583 , 158722460 , 5351934544 , 4580982569
n×2
43442674
n×3
65164011
n×4
86885348
n×5
108606685
n÷2
10860668.5
n÷3
7240445.6666667
n÷3
5430334.25
n÷5
4344267.4
n2
471816481067569
n3
1.0248484787423E+22
n4
2.2261079180698E+29
n5
4.8354040286763E+36
2 √n
4660.6155172895
3 √n
279.01583480054
4 √n
68.268700861299
5 √n
29.334406825402
8 divisors
τ
Total Divisors
8
Total number of the positive divisors of n
σ
Sum of Divisors
1
Sum of all the positive divisors of n
s
Aliquot Sum
-21721336
Sum of the proper positive divisors of n
A
Arithmetic Mean
0.125
Returns the sum of divisors (σ(n )) divided by the total number of divisors (τ(n ))
G
Geometric Mean
1
Returns the nth root of the product of n divisors
H
Harmonic Mean
8
Returns the total number of divisors (τ(n )) divided by the sum of the reciprocal of each divisors
The number 21721337 can be divided by 8 positive divisors.
The sum of these divisors (counting 21721337) is 1, the average is 0.125.
Base
System
Value
2
Binary
1010010110111000011111001
3
Ternary
1111212120001222
4
Quaternary
1102313003321
5
Quinary
21030040322
6
Senary
2053321425
8
Octal
122670371
10
Decimal
21721337
12
Duodecimal
7336275
16
Hexadecimal
14b70f9
20
Vigesimal
6ff36h
36
Base36
cxkah
md5
8c4271e14914c50c4a1cfbd177380334
sha1
b1e74814caaa7fe38bbefb50690e6de63ac148d4
sha256
15bc05492a4bc1558001c4d89e8fbaa235554ffb4c63660d7d3db0999057c91c
sha512
5ddae13684195bd65fd31830d6a84271a6714003caae2b3430d4439941e630170541ba40b2475a369600a913a5af4f612dd56b7a44bbb364832bf15d35acbf5a
ripemd-160
89f6707b6a89f18fd9776d3519fbeb687c49add5
Diameter
43442674
Circumference
136479185.4907
Area
1.4822551907645E+15
Volume
4.2928752691459E+22
Surface area
5.9290207630578E+15
Circumference
136479185.4907
Perimeter
86885348
Area
471816481067569
Diagonal
30718609.378277
Surface area
2830898886405414
Volume
1.0248484787423E+22
Space diagonal
37622459.292326
Perimeter
65164011
Area
2.0430252926435E+14
Altitude
18811229.646163
Surface area
2.0430252926435E+14
Volume
1.2077955150123E+21
Height
10239536.459426