21172904 is an even 8-digits composite number following 21172903
and preceding 21172905 . In scientific notation, it is written as 2.1172904 × 10^7.
The sum of its digits is 26. It has a total of 4 prime factors and 8 positive divisors.
There are 10586448 positive integers (up to 21172904) that are relatively prime to 21172904.
21172904 has 8 divisors, whose sum is 39699210
The reverse of 21172904 is 40927112
Previous prime number is 2
Is Prime? no
Number parity even
Number length 8
Sum of Digits 26
Digital Root 8
Name
twenty-one million one hundred seventy-two thousand nine hundred four
Scientific notation
2.1172904 × 10^7
Engineering notation
2.1172904 × 10^6
Prime Factorization
2 × 2 × 2 × 2646613
Composite number
ω
Distinct Factors
2
Total number of distinct prime factors
Ω
Total Factors
4
Total number of prime factors
rad
Radical
5293226
Product of the distinct prime numbers
The prime factorization of 21172904 is 2 × 2 × 2 × 2646613.
Since it has a total of 4 prime factors.
1 , 9 , 15 , 74 , 917 , 151 , 7302 , 8107 , 56200 , 92329 , 496804 , 381802 , 8218837 , 2451461 , 61418582 , 93199868 , 710202908 , 547933808 , 1849460586 , 4252593962
n×2
42345808
n×3
63518712
n×4
84691616
n×5
105864520
n÷2
10586452
n÷3
7057634.6666667
n÷3
5293226
n÷5
4234580.8
n2
448291863793216
n3
9.4916405960748E+21
n4
2.009655951432E+29
n5
4.2550252532697E+36
2 √n
4601.4023949227
3 √n
276.6475379107
4 √n
67.83363763593
5 √n
29.18475727329
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
-21172903
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 21172904 can be divided by 8 positive divisors.
The sum of these divisors (counting 21172904) is 1, the average is 0.125.
Base
System
Value
2
Binary
1010000110001001010101000
3
Ternary
1110211200202122
4
Quaternary
1100301022220
5
Quinary
20410013104
6
Senary
2033450412
8
Octal
120611250
10
Decimal
21172904
12
Duodecimal
7110a08
16
Hexadecimal
14312a8
20
Vigesimal
6c6c54
36
Base36
clt48
md5
f3b83fe7e223143c32f427fdae41d5bd
sha1
5a103c51377bdce200f46e2e457c1e5fb470e990
sha256
c024a6febe4eece49a31b0343b0e7da082b459ba6d1abc66f2319d525eca1c00
sha512
56a8bc3a1ccc105c35ac02875b7bc415b393e97a4ebb43594f080d4397fdf3d65a1c37cb2fee1dbfd495181fcb43bb3cd42988adb66e5f5c6ef6e259d74c2423
ripemd-160
cf8b8219677272c0fe62188d218db0f1643d9e6d
Diameter
42345808
Circumference
133033279.32312
Area
1.4083504259568E+15
Volume
3.9758491156191E+22
Surface area
5.6334017038274E+15
Circumference
133033279.32312
Perimeter
84691616
Area
448291863793216
Diagonal
29943007.991624
Surface area
2689751182759296
Volume
9.4916405960748E+21
Space diagonal
36672545.471778
Perimeter
63518712
Area
1.941160711774E+14
Altitude
18336272.735889
Surface area
1.941160711774E+14
Volume
1.1186005716783E+21
Height
9981002.6638745