21137515 is an odd 8-digits composite number following 21137514
and preceding 21137516 . In scientific notation, it is written as 2.1137515 × 10^7.
The sum of its digits is 25. It has a total of 4 prime factors and 16 positive divisors.
There are 14294016 positive integers (up to 21137515) that are relatively prime to 21137515.
21137515 has 16 divisors, whose sum is 29389248
The reverse of 21137515 is 51573112
Previous prime number is 73
Is Prime? no
Number parity odd
Number length 8
Sum of Digits 25
Digital Root 7
Name
twenty-one million one hundred thirty-seven thousand five hundred fifteen
Scientific notation
2.1137515 × 10^7
Engineering notation
2.1137515 × 10^6
Prime Factorization
5 × 7 × 73 × 8273
Composite number
ω
Distinct Factors
4
Total number of distinct prime factors
Ω
Total Factors
4
Total number of prime factors
rad
Radical
21137515
Product of the distinct prime numbers
The prime factorization of 21137515 is 5 × 7 × 73 × 8273.
Since it has a total of 4 prime factors.
2 , 10 , 85 , 18 , 384 , 835 , 4685 , 3028 , 96434 , 78995 , 230768 , 218647 , 3887285 , 6250819 , 94824974 , 77986117 , 212587137 , 920148048 , 5777460771 , 7709456705
n×2
42275030
n×3
63412545
n×4
84550060
n×5
105687575
n÷2
10568757.5
n÷3
7045838.3333333
n÷3
5284378.75
n÷5
4227503
n2
446794540375225
n3
9.4441262990994E+21
n4
1.9962536130911E+29
n5
4.2195840690517E+36
2 √n
4597.5553286502
3 √n
276.49331974308
4 √n
67.805275079821
5 √n
29.174994695781
1 , 5 , 7 , 35 , 73 , 365 , 511 , 2555 , 8273 , 41365 , 57911 , 289555 , 603929 , 3019645 , 4227503 , 21137515
16 divisors
τ
Total Divisors
16
Total number of the positive divisors of n
σ
Sum of Divisors
1
Sum of all the positive divisors of n
s
Aliquot Sum
-21137514
Sum of the proper positive divisors of n
A
Arithmetic Mean
0.0625
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
16
Returns the total number of divisors (τ(n )) divided by the sum of the reciprocal of each divisors
The number 21137515 can be divided by 16 positive divisors.
The sum of these divisors (counting 21137515) is 1, the average is 0.0625.
Base
System
Value
2
Binary
1010000101000100001101011
3
Ternary
1110202220012221
4
Quaternary
1100220201223
5
Quinary
20402400030
6
Senary
2033014511
8
Octal
120504153
10
Decimal
21137515
12
Duodecimal
70b4437
16
Hexadecimal
142886b
20
Vigesimal
6c23ff
36
Base36
cl1t7
md5
f6b5e6d1d1e56c65954b50986627223c
sha1
d8406e3d73f2a2ff9d4a6b84e0f82d9c81c857f3
sha256
ae56e096d2cd99ceb20689e539164f5c1186642d9588573e193b2c667346ca5b
sha512
a09a767821b0a589f7cb9046073599cd2869c8ec883409b82305a8ea8ba819ab7153cb0efc2c225715b985a8836b180186a1127f0956610eb2ba78ff15bcfd76
ripemd-160
8e66775b79444efeab56bf5096b25511659d36bb
Diameter
42275030
Circumference
132810923.67829
Area
1.4036464457068E+15
Volume
3.9559463734433E+22
Surface area
5.6145857828273E+15
Circumference
132810923.67829
Perimeter
84550060
Area
446794540375225
Diagonal
29892960.387865
Surface area
2680767242251350
Volume
9.4441262990994E+21
Space diagonal
36611249.925749
Perimeter
63412545
Area
1.9346771111857E+14
Altitude
18305624.962875
Surface area
1.9346771111857E+14
Volume
1.1130009580792E+21
Height
9964320.1292882