30891097 is an odd 8-digits composite number following 30891096
and preceding 30891098 . In scientific notation, it is written as 3.0891097 × 10^7.
The sum of its digits is 37. It has a total of 2 prime factors and 4 positive divisors.
There are 29894580 positive integers (up to 30891097) that are relatively prime to 30891097.
30891097 has 4 divisors, whose sum is 31887616
The reverse of 30891097 is 79019803
Previous prime number is 31
Is Prime? no
Number parity odd
Number length 8
Sum of Digits 37
Digital Root 1
Name
thirty million eight hundred ninety-one thousand ninety-seven
Scientific notation
3.0891097 × 10^7
Engineering notation
3.0891097 × 10^6
Prime Factorization
31 × 996487
Composite number
ω
Distinct Factors
2
Total number of distinct prime factors
Ω
Total Factors
2
Total number of prime factors
rad
Radical
30891097
Product of the distinct prime numbers
The prime factorization of 30891097 is 31 × 996487.
Since it has a total of 2 prime factors.
5 , 2 , 81 , 42 , 67 , 207 , 296 , 4008 , 42788 , 89915 , 417665 , 861880 , 2989596 , 8336922 , 8540687 , 57093933 , 993541709 , 675435388 , 2751572580 , 5945103290
n×2
61782194
n×3
92673291
n×4
123564388
n×5
154455485
n÷2
15445548.5
n÷3
10297032.333333
n÷3
7722774.25
n÷5
6178219.4
n2
954259873863409
n3
2.9478134326722E+22
n4
9.1061190686581E+29
n5
2.8129800744347E+37
2 √n
5557.9759805166
3 √n
313.76977796308
4 √n
74.551834186133
5 √n
31.475067216339
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
-30891096
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 30891097 can be divided by 4 positive divisors.
The sum of these divisors (counting 30891097) is 1, the average is 0.25.
Base
System
Value
2
Binary
1110101110101110001011001
3
Ternary
2011010102121201
4
Quaternary
1311311301121
5
Quinary
30402003342
6
Senary
3022034201
8
Octal
165656131
10
Decimal
30891097
12
Duodecimal
a418961
16
Hexadecimal
1d75c59
20
Vigesimal
9d17eh
36
Base36
ie3q1
md5
50567fafba2fa7165fd742e4ae03a5d6
sha1
501d5101199b1b04fc24e5f853a1f10a5e27cc1d
sha256
e2af636599fa619715cb4241148bd5295e91214bf334a8f4893fc518ce8bfaf8
sha512
0a4e4e5ceb3417eeb02d63f1149b262dc929aee631f93e13c1b884c33a57efb3b2c7284572e9239c60e71e98dee8ef392de8ad1c8809b643a3aed7343d806372
ripemd-160
2c371d86ec37c455ce12b2a8b2901705a983333c
Diameter
61782194
Circumference
194094486.79306
Area
2.9978958093448E+15
Volume
1.2347772032315E+23
Surface area
1.1991583237379E+16
Circumference
194094486.79306
Perimeter
123564388
Area
954259873863409
Diagonal
43686608.333983
Surface area
5725559243180454
Volume
2.9478134326722E+22
Space diagonal
53504949.505539
Perimeter
92673291
Area
4.1320664628892E+14
Altitude
26752474.752769
Surface area
4.1320664628892E+14
Volume
3.4740314465256E+21
Height
14562202.777994