21293908 is an even 8-digits composite number following 21293907
and preceding 21293909 . In scientific notation, it is written as 2.1293908 × 10^7.
The sum of its digits is 34. It has a total of 4 prime factors and 12 positive divisors.
There are 10086552 positive integers (up to 21293908) that are relatively prime to 21293908.
21293908 has 12 divisors, whose sum is 39225760
The reverse of 21293908 is 80939212
Previous prime number is 19
Is Prime? no
Number parity even
Number length 8
Sum of Digits 34
Digital Root 7
Name
twenty-one million two hundred ninety-three thousand nine hundred eight
Scientific notation
2.1293908 × 10^7
Engineering notation
2.1293908 × 10^6
Prime Factorization
2 × 2 × 19 × 280183
Composite number
ω
Distinct Factors
3
Total number of distinct prime factors
Ω
Total Factors
4
Total number of prime factors
rad
Radical
10646954
Product of the distinct prime numbers
The prime factorization of 21293908 is 2 × 2 × 19 × 280183.
Since it has a total of 4 prime factors.
3 , 4 , 97 , 54 , 393 , 43 , 1626 , 2759 , 46772 , 34001 , 826566 , 492174 , 1857297 , 1739152 , 85597340 , 60335157 , 145114000 , 136515811 , 3312095386 , 2322484280
n×2
42587816
n×3
63881724
n×4
85175632
n×5
106469540
n÷2
10646954
n÷3
7097969.3333333
n÷3
5323477
n÷5
4258781.6
n2
453430517912464
n3
9.6553077328204E+21
n4
2.0559923457437E+29
n5
4.378011185897E+36
2 √n
4614.5322623209
3 √n
277.1735543889
4 √n
67.930348610329
5 √n
29.218039688764
1 , 2 , 4 , 19 , 38 , 76 , 280183 , 560366 , 1120732 , 5323477 , 10646954 , 21293908
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
-21293907
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 21293908 can be divided by 12 positive divisors.
The sum of these divisors (counting 21293908) is 1, the average is 0.083333333333333.
Base
System
Value
2
Binary
1010001001110101101010100
3
Ternary
1111001211202021
4
Quaternary
1101032231110
5
Quinary
20422401113
6
Senary
2040222524
8
Octal
121165524
10
Decimal
21293908
12
Duodecimal
716aa44
16
Hexadecimal
144eb54
20
Vigesimal
6d1ef8
36
Base36
coehg
md5
129b218423c9fa0510c0d342882a4b77
sha1
88c14bb52fbb9179612a35038ad9539ababea65e
sha256
839b48cf8d8986728f5f3e4c0d7aad95099876401b186f5ade0d37806c6e44ed
sha512
f7915de9f55ddea0337e668f3cecde1277c05b37e5c0b8c8f1b78b495d8ef4a93e681b7f9e5c005d76453bf7cce95a8da75b0dfd425f3b58b7ae580f4dc1061a
ripemd-160
3f092518ea22d05bae6d0b75ac4bd4886ae19c98
Diameter
42587816
Circumference
133793569.87803
Area
1.4244939839872E+15
Volume
4.0444058455436E+22
Surface area
5.6979759359488E+15
Circumference
133793569.87803
Perimeter
85175632
Area
453430517912464
Diagonal
30114133.489525
Surface area
2720583107474784
Volume
9.6553077328204E+21
Space diagonal
36882130.547697
Perimeter
63881724
Area
1.9634117368166E+14
Altitude
18441065.273849
Surface area
1.9634117368166E+14
Volume
1.13788892872E+21
Height
10038044.496508