21347145 is an odd 8-digits composite number following 21347144
and preceding 21347146 . In scientific notation, it is written as 2.1347145 × 10^7.
The sum of its digits is 27. It has a total of 3 prime factors and 8 positive divisors.
There are 11384928 positive integers (up to 21347145) that are relatively prime to 21347145.
21347145 has 8 divisors, whose sum is 25933320
The reverse of 21347145 is 54174312
Previous prime number is 81
Is Prime? no
Number parity odd
Number length 8
Sum of Digits 27
Digital Root 9
Name
twenty-one million three hundred forty-seven thousand one hundred forty-five
Scientific notation
2.1347145 × 10^7
Engineering notation
2.1347145 × 10^6
Prime Factorization
5 × 81 × 52709
Composite number
ω
Distinct Factors
3
Total number of distinct prime factors
Ω
Total Factors
3
Total number of prime factors
rad
Radical
21347145
Product of the distinct prime numbers
The prime factorization of 21347145 is 5 × 81 × 52709.
Since it has a total of 3 prime factors.
10 , 1 , 41 , 61 , 854 , 511 , 6217 , 3906 , 55743 , 87578 , 263293 , 273892 , 6172431 , 179066 , 34652682 , 92562874 , 311763074 , 401236221 , 9932940516 , 3523488969
n×2
42694290
n×3
64041435
n×4
85388580
n×5
106735725
n÷2
10673572.5
n÷3
7115715
n÷3
5336786.25
n÷5
4269429
n2
455700599651025
n3
9.7279067773374E+21
n4
2.076630365223E+29
n5
4.4330129517819E+36
2 √n
4620.2970683713
3 √n
277.4043497957
4 √n
67.972767108389
5 √n
29.232634732213
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
-21347144
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 21347145 can be divided by 8 positive divisors.
The sum of these divisors (counting 21347145) is 1, the average is 0.125.
Base
System
Value
2
Binary
1010001011011101101001001
3
Ternary
1111011112210000
4
Quaternary
1101123231021
5
Quinary
20431102040
6
Senary
2041313213
8
Octal
121335511
10
Decimal
21347145
12
Duodecimal
7195809
16
Hexadecimal
145bb49
20
Vigesimal
6d87h5
36
Base36
cpjk9
md5
5274956eae52ab302612dab317213a15
sha1
67f6a1855790433d67be379991882130e783d24c
sha256
6744471fd630d5508293070ad79f1e4f1602ede385ed9ddf545b937a3c9ea580
sha512
27b191702309c864e2aba9ee49ddb91b2a17c6ff1773717fff9d77c966011ce0bbe33967d6a0731669203f17d3bb6ba99e41a31740d526018de79c9b751cfb03
ripemd-160
894a28b022c6f2cb977f288edd556008d3574274
Diameter
42694290
Circumference
134128067.81423
Area
1.4316256561001E+15
Volume
4.0748160621986E+22
Surface area
5.7265026244005E+15
Circumference
134128067.81423
Perimeter
85388580
Area
455700599651025
Diagonal
30189421.976945
Surface area
2734203597906150
Volume
9.7279067773374E+21
Space diagonal
36974339.73654
Perimeter
64041435
Area
1.9732414790879E+14
Altitude
18487169.86827
Surface area
1.9732414790879E+14
Volume
1.1464448081676E+21
Height
10063140.658982