30991649 (number)

30991649 is an odd 8-digits composite number following 30991648 and preceding 30991650. In scientific notation, it is written as 3.0991649 × 10^7. The sum of its digits is 41. It has a total of 3 prime factors and 8 positive divisors. There are 27363600 positive integers (up to 30991649) that are relatively prime to 30991649.

Interesting facts

Basic properties

Name

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

Notation

Scientific notation 3.0991649 × 10^7
Engineering notation 3.0991649 × 10^6

Prime Factorization of 30991649

Prime Factorization 23 × 13 × 103651

Composite number
ω Distinct Factors 3
Total number of distinct prime factors
Ω Total Factors 3
Total number of prime factors
rad Radical 30991649
Product of the distinct prime numbers

The prime factorization of 30991649 is 23 × 13 × 103651. Since it has a total of 3 prime factors.

Most popular turbo-numbers

Basic calculations (n = 30991649)

Multiplication

n×y
n×2 61983298
n×3 92974947
n×4 123966596
n×5 154958245

Division

n÷y
n÷2 15495824.5
n÷3 10330549.666667
n÷3 7747912.25
n÷5 6198329.8

Exponentiation

ny
n2 960482307739201
n3 2.9766930552163E+22
n4 9.2252626348002E+29
n5 2.8590610151054E+37

Nth Root

y√n
2√n 5567.0143703784
3√n 314.10985445865
4√n 74.612427720712
5√n 31.495531159415

Divisors of 30991649

8 divisors

τ Total Divisors 8
Total number of the positive divisors of n
σ Sum of Divisors 1
Sum of all the positive divisors of n
s Aliquot Sum -30991648
Sum of the proper positive divisors of n
A Arithmetic Mean 0.125
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 8
Returns the total number of divisors (τ(n)) divided by the sum of the reciprocal of each divisors

The number 30991649 can be divided by 8 positive divisors. The sum of these divisors (counting 30991649) is 1, the average is 0.125.

Base conversion 30991649

Base System Value
2 Binary 1110110001110010100100001
3 Ternary 2011022112112212
4 Quaternary 1312032110201
5 Quinary 30413213044
6 Senary 3024131505
8 Octal 166162441
10 Decimal 30991649
12 Duodecimal a466b95
16 Hexadecimal 1d8e521
20 Vigesimal 9ddj29
36 Base36 ig9b5

Cryptographic Hash Functions

md5 1cb3c70bedbbbc6ed3e212b5a755e269
sha1 f3da19fd6fcd1065410ad9c7377c6c7c57cef279
sha256 c65b0c64d33057b11c5e54043149af84f185d98ca154811152f469cac610e198
sha512 7bc01eeb5dacf728758cd6a1fb5e8a03cb6599eadec21c286ad7fbf9bf31184c2889834bffef5e5cb892a7b263b5e06463cd37c603c6574b0ac111c8668d987c
ripemd-160 7344073766b38c4b6ac32de3f3df02f9b39141fa

30991649 as geometric shapes

Circle

Radius = n
Diameter 61983298
Circumference 194726273.64207
Area 3.0174441618964E+15

Sphere

Radius = n
Volume 1.2468742712346E+23
Surface area 1.2069776647586E+16
Circumference 194726273.64207

Square

Length = n
Perimeter 123966596
Area 960482307739201
Diagonal 43828810.336107

Cube

Length = n
Surface area 5762893846435206
Volume 2.9766930552163E+22
Space diagonal 53679110.678341

Equilateral Triangle

Length = n
Perimeter 92974947
Area 4.1590103919383E+14
Altitude 26839555.339171

Triangular Pyramid

Length = n
Surface area 4.1590103919383E+14
Volume 3.5080664080906E+21
Height 14609603.445369