30391749 (number)

30391749 is an odd 8-digits composite number following 30391748 and preceding 30391750. In scientific notation, it is written as 3.0391749 × 10^7. The sum of its digits is 36. It has a total of 4 prime factors and 16 positive divisors. There are 19388160 positive integers (up to 30391749) that are relatively prime to 30391749.

Interesting facts

Basic properties

Name

Name thirty million three hundred ninety-one thousand seven hundred forty-nine

Notation

Scientific notation 3.0391749 × 10^7
Engineering notation 3.0391749 × 10^6

Prime Factorization of 30391749

Prime Factorization 9 × 31 × 97 × 1123

Composite number
ω Distinct Factors 4
Total number of distinct prime factors
Ω Total Factors 4
Total number of prime factors
rad Radical 30391749
Product of the distinct prime numbers

The prime factorization of 30391749 is 9 × 31 × 97 × 1123. Since it has a total of 4 prime factors.

Most popular turbo-numbers

Basic calculations (n = 30391749)

Multiplication

n×y
n×2 60783498
n×3 91175247
n×4 121566996
n×5 151958745

Division

n÷y
n÷2 15195874.5
n÷3 10130583
n÷3 7597937.25
n÷5 6078349.8

Exponentiation

ny
n2 923658407279001
n3 2.8071594475763E+22
n4 8.5314485333718E+29
n5 2.5928564243265E+37

Nth Root

y√n
2√n 5512.8712119911
3√n 312.06991160159
4√n 74.248711854086
5√n 31.372645255335

Divisors of 30391749

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 -30391748
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 30391749 can be divided by 16 positive divisors. The sum of these divisors (counting 30391749) is 1, the average is 0.0625.

Base conversion 30391749

Base System Value
2 Binary 1110011111011110111000101
3 Ternary 2010012001122100
4 Quaternary 1303323313011
5 Quinary 30240013444
6 Senary 3003222313
8 Octal 163736705
10 Decimal 30391749
12 Duodecimal a217999
16 Hexadecimal 1cfbdc5
20 Vigesimal 99ij79
36 Base36 i3ef9

Cryptographic Hash Functions

md5 74c0de7cef42e10c02d55115fefc5d65
sha1 d66211c1ef6c6120c1d181038b85f739f176eb79
sha256 c788bf39a99eb7aa9b50937b85cc2427d0c55339e495ab78ccecf80e9b759702
sha512 bbab7a467becc20697c56f138e18fb7a5465f918c488778cb4608ca5cc923a60c848a6dceba7e69a50491d78942a70db89d04b87d2c213ed9a39d784fab5151e
ripemd-160 6c00853f7fdc82c3db3458afb7b32fac6786bc6b

30391749 as geometric shapes

Circle

Radius = n
Diameter 60783498
Circumference 190956990.77629
Area 2.9017584667342E+15

Sphere

Radius = n
Volume 1.1758601997281E+23
Surface area 1.1607033866937E+16
Circumference 190956990.77629

Square

Length = n
Perimeter 121566996
Area 923658407279001
Diagonal 42980423.620039

Cube

Length = n
Surface area 5541950443674006
Volume 2.8071594475763E+22
Space diagonal 52640053.398881

Equilateral Triangle

Length = n
Perimeter 91175247
Area 3.9995582256134E+14
Altitude 26320026.69944

Triangular Pyramid

Length = n
Surface area 3.9995582256134E+14
Volume 3.3082691354218E+21
Height 14326807.873346