30991609 (number)

30991609 is an odd 8-digits composite number following 30991608 and preceding 30991610. In scientific notation, it is written as 3.0991609 × 10^7. The sum of its digits is 37. It has a total of 3 prime factors and 6 positive divisors. There are 28174080 positive integers (up to 30991609) that are relatively prime to 30991609.

Interesting facts

Basic properties

Name

Name thirty million nine hundred ninety-one thousand six hundred nine

Notation

Scientific notation 3.0991609 × 10^7
Engineering notation 3.0991609 × 10^6

Prime Factorization of 30991609

Prime Factorization 11 × 11 × 256129

Composite number
ω Distinct Factors 2
Total number of distinct prime factors
Ω Total Factors 3
Total number of prime factors
rad Radical 2817419
Product of the distinct prime numbers

The prime factorization of 30991609 is 11 × 11 × 256129. Since it has a total of 3 prime factors.

Most popular turbo-numbers

Basic calculations (n = 30991609)

Multiplication

n×y
n×2 61983218
n×3 92974827
n×4 123966436
n×5 154958045

Division

n÷y
n÷2 15495804.5
n÷3 10330536.333333
n÷3 7747902.25
n÷5 6198321.8

Exponentiation

ny
n2 960479828408881
n3 2.9766815294435E+22
n4 9.2252150078035E+29
n5 2.8590425646278E+37

Nth Root

y√n
2√n 5567.0107777873
3√n 314.10971932118
4√n 74.61240364569
5√n 31.495523029341

Divisors of 30991609

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 -30991608
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 30991609 can be divided by 6 positive divisors. The sum of these divisors (counting 30991609) is 1, the average is 0.16666666666667.

Base conversion 30991609

Base System Value
2 Binary 1110110001110010011111001
3 Ternary 2011022112111101
4 Quaternary 1312032103321
5 Quinary 30413212414
6 Senary 3024131401
8 Octal 166162371
10 Decimal 30991609
12 Duodecimal a466b61
16 Hexadecimal 1d8e4f9
20 Vigesimal 9ddj09
36 Base36 ig9a1

Cryptographic Hash Functions

md5 e7911ac884396f6e764d2f1e71d3efd8
sha1 6fce30ec7c2ed136b352681171b07dfb9b814b90
sha256 8c0948246c31fcf98824c98146f54c37a82015964f39f72d2a7a850991f54990
sha512 1acfeddbccd2b521110d5020a2e3d073f592603e2f5d3087fe32e268b734776b451045aff234a31b5b360682adca605a1e22f5977e082a97d0b7621bbc52ce2a
ripemd-160 4ea154a4e4caf471bc968e55a80f479073f2c055

30991609 as geometric shapes

Circle

Radius = n
Diameter 61983218
Circumference 194726022.31465
Area 3.0174363728505E+15

Sphere

Radius = n
Volume 1.2468694433302E+23
Surface area 1.2069745491402E+16
Circumference 194726022.31465

Square

Length = n
Perimeter 123966436
Area 960479828408881
Diagonal 43828753.767564

Cube

Length = n
Surface area 5762878970453286
Volume 2.9766815294435E+22
Space diagonal 53679041.396309

Equilateral Triangle

Length = n
Perimeter 92974827
Area 4.158999656123E+14
Altitude 26839520.698154

Triangular Pyramid

Length = n
Surface area 4.158999656123E+14
Volume 3.5080528248371E+21
Height 14609584.589188