21137518 is an even 8-digits composite number following 21137517
and preceding 21137519 . In scientific notation, it is written as 2.1137518 × 10^7.
The sum of its digits is 28. It has a total of 2 prime factors and 4 positive divisors.
There are 10568758 positive integers (up to 21137518) that are relatively prime to 21137518.
21137518 has 4 divisors, whose sum is 31706280
The reverse of 21137518 is 81573112
Previous prime number is 2
Is Prime? no
Number parity even
Number length 8
Sum of Digits 28
Digital Root 1
Name
twenty-one million one hundred thirty-seven thousand five hundred eighteen
Scientific notation
2.1137518 × 10^7
Engineering notation
2.1137518 × 10^6
Prime Factorization
2 × 10568759
Composite number
ω
Distinct Factors
2
Total number of distinct prime factors
Ω
Total Factors
2
Total number of prime factors
rad
Radical
21137518
Product of the distinct prime numbers
The prime factorization of 21137518 is 2 × 10568759.
Since it has a total of 2 prime factors.
1 , 7 , 48 , 45 , 644 , 804 , 9985 , 3719 , 93087 , 50168 , 727395 , 739580 , 7581018 , 3306354 , 45675748 , 86076935 , 287613598 , 848740036 , 7441070498 , 9489360971
n×2
42275036
n×3
63412554
n×4
84550072
n×5
105687590
n÷2
10568759
n÷3
7045839.3333333
n÷3
5284379.5
n÷5
4227503.6
n2
446794667200324
n3
9.4441303202509E+21
n4
1.9962547463865E+29
n5
4.219587063433E+36
2 √n
4597.5556549106
3 √n
276.49333282377
4 √n
67.805277485684
5 √n
29.174995523929
4 divisors
τ
Total Divisors
4
Total number of the positive divisors of n
σ
Sum of Divisors
1
Sum of all the positive divisors of n
s
Aliquot Sum
-21137517
Sum of the proper positive divisors of n
A
Arithmetic Mean
0.25
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
4
Returns the total number of divisors (τ(n )) divided by the sum of the reciprocal of each divisors
The number 21137518 can be divided by 4 positive divisors.
The sum of these divisors (counting 21137518) is 1, the average is 0.25.
Base
System
Value
2
Binary
1010000101000100001101110
3
Ternary
1110202220020001
4
Quaternary
1100220201232
5
Quinary
20402400033
6
Senary
2033014514
8
Octal
120504156
10
Decimal
21137518
12
Duodecimal
70b443a
16
Hexadecimal
142886e
20
Vigesimal
6c23fi
36
Base36
cl1ta
md5
f7ac70790d248e883aa710a00bf65b6b
sha1
ef239112b10ac8601d74621f2c77029f568e388b
sha256
8b4b7ddc0f04e265fdf359146d58284a799448815e2d831ddb6d8b251541d8bc
sha512
d0497fbb4bb5e9568f1d96c115bf3849203cc5e5bc6eccc4666de305c642f81a5d8d736401faffb3348320b2606935a1668c19fea166f16f9aa57bdd91dc3bf8
ripemd-160
4767c6166e7d5ad830bf619615107ffbb4b582c2
Diameter
42275036
Circumference
132810942.52784
Area
1.4036468441396E+15
Volume
3.9559480578193E+22
Surface area
5.6145873765585E+15
Circumference
132810942.52784
Perimeter
84550072
Area
446794667200324
Diagonal
29892964.630505
Surface area
2680768003201944
Volume
9.4441303202509E+21
Space diagonal
36611255.121902
Perimeter
63412554
Area
1.9346776603545E+14
Altitude
18305627.560951
Surface area
1.9346776603545E+14
Volume
1.1130014319765E+21
Height
9964321.5435018