30897938 is an even 8-digits composite number following 30897937
and preceding 30897939 . In scientific notation, it is written as 3.0897938 × 10^7.
The sum of its digits is 47. It has a total of 2 prime factors and 4 positive divisors.
There are 15448968 positive integers (up to 30897938) that are relatively prime to 30897938.
30897938 has 4 divisors, whose sum is 46346910
The reverse of 30897938 is 83979803
Previous prime number is 2
Is Prime? no
Number parity even
Number length 8
Sum of Digits 47
Digital Root 2
Name
thirty million eight hundred ninety-seven thousand nine hundred thirty-eight
Scientific notation
3.0897938 × 10^7
Engineering notation
3.0897938 × 10^6
Prime Factorization
2 × 15448969
Composite number
ω
Distinct Factors
2
Total number of distinct prime factors
Ω
Total Factors
2
Total number of prime factors
rad
Radical
30897938
Product of the distinct prime numbers
The prime factorization of 30897938 is 2 × 15448969.
Since it has a total of 2 prime factors.
9 , 3 , 79 , 15 , 931 , 526 , 335 , 3732 , 8352 , 97049 , 710763 , 734922 , 2200770 , 9521260 , 13562915 , 94667655 , 317019202 , 370558793 , 3814684674 , 1100785802
n×2
61795876
n×3
92693814
n×4
123591752
n×5
154489690
n÷2
15448969
n÷3
10299312.666667
n÷3
7724484.5
n÷5
6179587.6
n2
954682572651844
n3
2.9497722939477E+22
n4
9.1141881452514E+29
n5
2.8160962023231E+37
2 √n
5558.5913683235
3 √n
313.79293825658
4 √n
74.555961319826
5 √n
31.476461157537
4 divisors
τ
Total Divisors
4
Total number of the positive divisors of n
σ
Sum of Divisors
1
Sum of all the positive divisors of n
s
Aliquot Sum
-30897937
Sum of the proper positive divisors of n
A
Arithmetic Mean
0.25
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
4
Returns the total number of divisors (τ(n )) divided by the sum of the reciprocal of each divisors
The number 30897938 can be divided by 4 positive divisors.
The sum of these divisors (counting 30897938) is 1, the average is 0.25.
Base
System
Value
2
Binary
1110101110111011100010010
3
Ternary
2011010210000002
4
Quaternary
1311313130102
5
Quinary
30402213223
6
Senary
3022130002
8
Octal
165673422
10
Decimal
30897938
12
Duodecimal
a420902
16
Hexadecimal
1d77712
20
Vigesimal
9d24gi
36
Base36
ie902
md5
50ae39861d588cb5649639ca3c3bd015
sha1
21b02d113e72080f708306c43a2d182b2f094a8b
sha256
af10c11b343726a6c5e21bd9f90a45df7cec7114b71b2cfb7f70865d24cd4f48
sha512
d60733b08e92ddd2ab08922ee6e1f84c0477b4f16110ba883e66616856c683140b553cb827f1f64e71270c86a02990413b50917674a68001ad502964678d229b
ripemd-160
04b7cb902ddd54f4bea426856d4cb76efd374fbd
Diameter
61795876
Circumference
194137470.06375
Area
2.9992237567532E+15
Volume
1.2355977291238E+23
Surface area
1.1996895027013E+16
Circumference
194137470.06375
Perimeter
123591752
Area
954682572651844
Diagonal
43696282.968963
Surface area
5728095435911064
Volume
2.9497722939477E+22
Space diagonal
53516798.465113
Perimeter
92693814
Area
4.1338968023339E+14
Altitude
26758399.232557
Surface area
4.1338968023339E+14
Volume
3.4763399866777E+21
Height
14565427.656321