21354908 is an even 8-digits composite number following 21354907
and preceding 21354909 . In scientific notation, it is written as 2.1354908 × 10^7.
The sum of its digits is 32. It has a total of 4 prime factors and 12 positive divisors.
There are 10332960 positive integers (up to 21354908) that are relatively prime to 21354908.
21354908 has 12 divisors, whose sum is 38576832
The reverse of 21354908 is 80945312
Previous prime number is 31
Is Prime? no
Number parity even
Number length 8
Sum of Digits 32
Digital Root 5
Name
twenty-one million three hundred fifty-four thousand nine hundred eight
Scientific notation
2.1354908 × 10^7
Engineering notation
2.1354908 × 10^6
Prime Factorization
2 × 2 × 31 × 172217
Composite number
ω
Distinct Factors
3
Total number of distinct prime factors
Ω
Total Factors
4
Total number of prime factors
rad
Radical
10677454
Product of the distinct prime numbers
The prime factorization of 21354908 is 2 × 2 × 31 × 172217.
Since it has a total of 4 prime factors.
2 , 3 , 14 , 47 , 738 , 161 , 7931 , 9201 , 55546 , 83759 , 96596 , 589175 , 8729829 , 9014449 , 34983098 , 68694829 , 279584941 , 9875132 , 2390472222 , 4047337480
n×2
42709816
n×3
64064724
n×4
85419632
n×5
106774540
n÷2
10677454
n÷3
7118302.6666667
n÷3
5338727
n÷5
4270981.6
n2
456032095688464
n3
9.7385234484743E+21
n4
2.0796527229801E+29
n5
4.441079257119E+36
2 √n
4621.1370895051
3 √n
277.43797223057
4 √n
67.978945928171
5 √n
29.234760542859
1 , 2 , 4 , 31 , 62 , 124 , 172217 , 344434 , 688868 , 5338727 , 10677454 , 21354908
12 divisors
τ
Total Divisors
12
Total number of the positive divisors of n
σ
Sum of Divisors
1
Sum of all the positive divisors of n
s
Aliquot Sum
-21354907
Sum of the proper positive divisors of n
A
Arithmetic Mean
0.083333333333333
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
12
Returns the total number of divisors (τ(n )) divided by the sum of the reciprocal of each divisors
The number 21354908 can be divided by 12 positive divisors.
The sum of these divisors (counting 21354908) is 1, the average is 0.083333333333333.
Base
System
Value
2
Binary
1010001011101100110011100
3
Ternary
1111011221102112
4
Quaternary
1101131212130
5
Quinary
20431324113
6
Senary
2041413152
8
Octal
121354634
10
Decimal
21354908
12
Duodecimal
719a1b8
16
Hexadecimal
145d99c
20
Vigesimal
6d9758
36
Base36
cppjw
md5
801da8af7bea101111026ed0398cc32e
sha1
0bcb7711887ea9a450b594eeed1ef3d081045fea
sha256
eda6f2c02034937de1d88b42aedd8d298e3dc01379750f854bae2efc86cd3dba
sha512
fda38f51c118c079df6caa9e2ba260d22b7494f8f349adc6c366fdd86343aefb87e72a387e5afd064468a96a7937cfca11e4806247dc49e010db0d4712f2a271
ripemd-160
f7c56d7e6404b2aa92258e4841924e44695a3168
Diameter
42709816
Circumference
134176844.18177
Area
1.432667081616E+15
Volume
4.0792631630052E+22
Surface area
5.7306683264641E+15
Circumference
134176844.18177
Perimeter
85419632
Area
456032095688464
Diagonal
30200400.51683
Surface area
2736192574130784
Volume
9.7385234484743E+21
Space diagonal
36987785.646959
Perimeter
64064724
Area
1.9746768990363E+14
Altitude
18493892.82348
Surface area
1.9746768990363E+14
Volume
1.1476959948601E+21
Height
10066800.172277