21126908 is an even 8-digits composite number following 21126907
and preceding 21126909 . In scientific notation, it is written as 2.1126908 × 10^7.
The sum of its digits is 29. It has a total of 4 prime factors and 12 positive divisors.
There are 9603120 positive integers (up to 21126908) that are relatively prime to 21126908.
21126908 has 12 divisors, whose sum is 40333272
The reverse of 21126908 is 80962112
Previous prime number is 11
Is Prime? no
Number parity even
Number length 8
Sum of Digits 29
Digital Root 2
Name
twenty-one million one hundred twenty-six thousand nine hundred eight
Scientific notation
2.1126908 × 10^7
Engineering notation
2.1126908 × 10^6
Prime Factorization
2 × 2 × 11 × 480157
Composite number
ω
Distinct Factors
3
Total number of distinct prime factors
Ω
Total Factors
4
Total number of prime factors
rad
Radical
10563454
Product of the distinct prime numbers
The prime factorization of 21126908 is 2 × 2 × 11 × 480157.
Since it has a total of 4 prime factors.
10 , 7 , 62 , 49 , 104 , 574 , 5230 , 1920 , 57288 , 25308 , 457939 , 699438 , 4932398 , 3559782 , 7849467 , 72711577 , 227870468 , 841938790 , 6913993949 , 4269718016
n×2
42253816
n×3
63380724
n×4
84507632
n×5
105634540
n÷2
10563454
n÷3
7042302.6666667
n÷3
5281727
n÷5
4225381.6
n2
446346241640464
n3
9.4299159832839E+21
n4
1.9922496742657E+29
n5
4.2090075581241E+36
2 √n
4596.4016360627
3 √n
276.44706303879
4 √n
67.796767150527
5 √n
29.172066051583
1 , 2 , 4 , 11 , 22 , 44 , 480157 , 960314 , 1920628 , 5281727 , 10563454 , 21126908
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
-21126907
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 21126908 can be divided by 12 positive divisors.
The sum of these divisors (counting 21126908) is 1, the average is 0.083333333333333.
Base
System
Value
2
Binary
1010000100101111011111100
3
Ternary
1110202100200002
4
Quaternary
1100211323330
5
Quinary
20402030113
6
Senary
2032453432
8
Octal
120457374
10
Decimal
21126908
12
Duodecimal
70aa278
16
Hexadecimal
1425efc
20
Vigesimal
6c0h58
36
Base36
cktmk
md5
60006fc5bd4c30b728ad117fc00fecd6
sha1
85cb1cc9b9a3b67ea451fa96c1f49ecb466cc9e0
sha256
e8ad036f8e5ad05096475fc26d01a7d924b640f1a6661aa4f004bc282ac82ba4
sha512
8edc2ddfd064142a10ec9c0c21ec35816f7ccbd790635735b8d5bce46b151e1bc1c21ef227fadc4932c8117a58dbe4367c1db0a271cee16d92989df076b55cad
ripemd-160
d85263b3d0d69e58a456ec4591c2350797668e6f
Diameter
42253816
Circumference
132744277.93173
Area
1.4022380736951E+15
Volume
3.9499939702738E+22
Surface area
5.6089522947804E+15
Circumference
132744277.93173
Perimeter
84507632
Area
446346241640464
Diagonal
29877959.824609
Surface area
2678077449842784
Volume
9.4299159832839E+21
Space diagonal
36592878.062833
Perimeter
63380724
Area
1.9327359207217E+14
Altitude
18296439.031417
Surface area
1.9327359207217E+14
Volume
1.1113262562999E+21
Height
9959319.9415362