30909908 is an even 8-digits composite number following 30909907
and preceding 30909909 . In scientific notation, it is written as 3.0909908 × 10^7.
The sum of its digits is 38. It has a total of 3 prime factors and 6 positive divisors.
There are 15454952 positive integers (up to 30909908) that are relatively prime to 30909908.
30909908 has 6 divisors, whose sum is 54092346
The reverse of 30909908 is 80990903
Previous prime number is 2
Is Prime? no
Number parity even
Number length 8
Sum of Digits 38
Digital Root 2
Name
thirty million nine hundred nine thousand nine hundred eight
Scientific notation
3.0909908 × 10^7
Engineering notation
3.0909908 × 10^6
Prime Factorization
2 × 2 × 7727477
Composite number
ω
Distinct Factors
2
Total number of distinct prime factors
Ω
Total Factors
3
Total number of prime factors
rad
Radical
15454954
Product of the distinct prime numbers
The prime factorization of 30909908 is 2 × 2 × 7727477.
Since it has a total of 3 prime factors.
5 , 5 , 17 , 30 , 757 , 557 , 8112 , 2557 , 33047 , 93458 , 376276 , 248811 , 9736024 , 3526517 , 17004532 , 63304197 , 777163940 , 636171298 , 971198095 , 3191988670
n×2
61819816
n×3
92729724
n×4
123639632
n×5
154549540
n÷2
15454954
n÷3
10303302.666667
n÷3
7727477
n÷5
6181981.6
n2
955422412568464
n3
2.9532018873629E+22
n4
9.1283198643814E+29
n5
2.821555272026E+37
2 √n
5559.6679756978
3 √n
313.83345462299
4 √n
74.563181099641
5 √n
31.478899604194
6 divisors
τ
Total Divisors
6
Total number of the positive divisors of n
σ
Sum of Divisors
1
Sum of all the positive divisors of n
s
Aliquot Sum
-30909907
Sum of the proper positive divisors of n
A
Arithmetic Mean
0.16666666666667
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
6
Returns the total number of divisors (τ(n )) divided by the sum of the reciprocal of each divisors
The number 30909908 can be divided by 6 positive divisors.
The sum of these divisors (counting 30909908) is 1, the average is 0.16666666666667.
Base
System
Value
2
Binary
1110101111010010111010100
3
Ternary
2011011101102102
4
Quaternary
1311322113110
5
Quinary
30403104113
6
Senary
3022301232
8
Octal
165722724
10
Decimal
30909908
12
Duodecimal
a427818
16
Hexadecimal
1d7a5d4
20
Vigesimal
9d3ef8
36
Base36
iei8k
md5
be4f8ecdb35b4f231f5e33a8bf792422
sha1
679b0fdb599a1478050c2f1a21262534b491fc36
sha256
926ded6efcf4538f685d725b12d60e09034c42744915237cc200e517ac0ff1bf
sha512
ba1ce8107d324b1690c7c984e6b7d03c503f556e0044f0a45c3096ec8bcb0ab881e49f8f610f7bccd9b044d5a64b0737e993803952126a6cefbfd830d1b85579
ripemd-160
2b1604753da4008f1363856a4b8526ef57482de9
Diameter
61819816
Circumference
194212679.79187
Area
3.0015480324001E+15
Volume
1.2370343138543E+23
Surface area
1.20061921296E+16
Circumference
194212679.79187
Perimeter
123639632
Area
955422412568464
Diagonal
43713211.105305
Surface area
5732534475410784
Volume
2.9532018873629E+22
Space diagonal
53537531.11328
Perimeter
92729724
Area
4.1371004031465E+14
Altitude
26768765.55664
Surface area
4.1371004031465E+14
Volume
3.4803818012787E+21
Height
14571070.368435