30491145 is an odd 8-digits composite number following 30491144
and preceding 30491146 . In scientific notation, it is written as 3.0491145 × 10^7.
The sum of its digits is 27. It has a total of 4 prime factors and 16 positive divisors.
There are 15821568 positive integers (up to 30491145) that are relatively prime to 30491145.
30491145 has 16 divisors, whose sum is 41755920
The reverse of 30491145 is 54119403
Previous prime number is 37
Is Prime? no
Number parity odd
Number length 8
Sum of Digits 27
Digital Root 9
Name
thirty million four hundred ninety-one thousand one hundred forty-five
Scientific notation
3.0491145 × 10^7
Engineering notation
3.0491145 × 10^6
Prime Factorization
9 × 5 × 37 × 18313
Composite number
ω
Distinct Factors
4
Total number of distinct prime factors
Ω
Total Factors
4
Total number of prime factors
rad
Radical
30491145
Product of the distinct prime numbers
The prime factorization of 30491145 is 9 × 5 × 37 × 18313.
Since it has a total of 4 prime factors.
5 , 9 , 61 , 82 , 275 , 374 , 6351 , 4914 , 29170 , 88909 , 648368 , 426287 , 1319822 , 9347232 , 17161812 , 73449208 , 264976118 , 81732458 , 504312451 , 3679494472
n×2
60982290
n×3
91473435
n×4
121964580
n×5
152455725
n÷2
15245572.5
n÷3
10163715
n÷3
7622786.25
n÷5
6098229
n2
929709923411025
n3
2.8347920082664E+22
n4
8.6436054168893E+29
n5
2.6355342608916E+37
2 √n
5521.8787563654
3 √n
312.40974887099
4 √n
74.309345013702
5 √n
31.393139265489
1 , 5 , 9 , 37 , 45 , 185 , 333 , 1665 , 18313 , 91565 , 164817 , 677581 , 824085 , 3387905 , 6098229 , 30491145
16 divisors
τ
Total Divisors
16
Total number of the positive divisors of n
σ
Sum of Divisors
1
Sum of all the positive divisors of n
s
Aliquot Sum
-30491144
Sum of the proper positive divisors of n
A
Arithmetic Mean
0.0625
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
16
Returns the total number of divisors (τ(n )) divided by the sum of the reciprocal of each divisors
The number 30491145 can be divided by 16 positive divisors.
The sum of these divisors (counting 30491145) is 1, the average is 0.0625.
Base
System
Value
2
Binary
1110100010100001000001001
3
Ternary
2010101002222200
4
Quaternary
1310110020021
5
Quinary
30301204040
6
Senary
3005310413
8
Octal
164241011
10
Decimal
30491145
12
Duodecimal
a265409
16
Hexadecimal
1d14209
20
Vigesimal
9ab7h5
36
Base36
i5j49
md5
5c8d8399707194d38458cae6d33ace98
sha1
4b4e36a98b35bbb9f5f3ec54fc157df15075a438
sha256
8e2d06860231bcb2afb3ecb63ec2336da23fe8277c09f1d987169babfd299ca2
sha512
4d1eb8de33f2f0609b2e6a5af6eb81f405d2a8823da83e51173e5f7ce658fa2aa6b42d43c8b5bf07ae6acd355785482d44b0e2accaa40b9febfe9cff00db857f
ripemd-160
deafdd0d730946913d01ea48860a7ee3fd08dda1
Diameter
60982290
Circumference
191581514.26308
Area
2.9207698653576E+15
Volume
1.1874348996833E+23
Surface area
1.168307946143E+16
Circumference
191581514.26308
Perimeter
121964580
Area
929709923411025
Diagonal
43120990.791285
Surface area
5578259540466150
Volume
2.8347920082664E+22
Space diagonal
52812212.32095
Perimeter
91473435
Area
4.0257620591222E+14
Altitude
26406106.160475
Surface area
4.0257620591222E+14
Volume
3.3408344204977E+21
Height
14373663.597095