30809991 (number)

30809991 is an odd 8-digits composite number following 30809990 and preceding 30809992. In scientific notation, it is written as 3.0809991 × 10^7. The sum of its digits is 39. It has a total of 2 prime factors and 4 positive divisors. There are 20539992 positive integers (up to 30809991) that are relatively prime to 30809991.

Interesting facts

Basic properties

Name

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

Notation

Scientific notation 3.0809991 × 10^7
Engineering notation 3.0809991 × 10^6

Prime Factorization of 30809991

Prime Factorization 3 × 10269997

Composite number
ω Distinct Factors 2
Total number of distinct prime factors
Ω Total Factors 2
Total number of prime factors
rad Radical 30809991
Product of the distinct prime numbers

The prime factorization of 30809991 is 3 × 10269997. Since it has a total of 2 prime factors.

Most popular turbo-numbers

Basic calculations (n = 30809991)

Multiplication

n×y
n×2 61619982
n×3 92429973
n×4 123239964
n×5 154049955

Division

n÷y
n÷2 15404995.5
n÷3 10269997
n÷3 7702497.75
n÷5 6161998.2

Exponentiation

ny
n2 949255545420081
n3 2.9246554811093E+22
n4 9.0108609051078E+29
n5 2.7762454338862E+37

Nth Root

y√n
2√n 5550.674823839
3√n 313.49493160715
4√n 74.502851112149
5√n 31.458521982946

Divisors of 30809991

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 -30809990
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 30809991 can be divided by 4 positive divisors. The sum of these divisors (counting 30809991) is 1, the average is 0.25.

Base conversion 30809991

Base System Value
2 Binary 1110101100001111110000111
3 Ternary 2010222022100210
4 Quaternary 1311201332013
5 Quinary 30341404431
6 Senary 3020210503
8 Octal 165417607
10 Decimal 30809991
12 Duodecimal a399a33
16 Hexadecimal 1d61f87
20 Vigesimal 9cb4jb
36 Base36 icd53

Cryptographic Hash Functions

md5 30866dfee80d5432b0769a57d1ae6810
sha1 ec4816cb37efbd50584277e071b4ec4f983c6502
sha256 15502a903d94ff6d47d55b9f7954c836abdb85c87c4fdeb8f7dfd0f4550328b7
sha512 c02afeb99c3120d0d37fa2d8380728d4022340a3b6b778e40b9b34cec18a5e9c9a1ce404afa754cd860a162ee868cc87d5303bd43fc20a76b9e0ad59afbc0e62
ripemd-160 fd5c4b01af5e4f4d282f87ee604d6f9735ab577e

30809991 as geometric shapes

Circle

Radius = n
Diameter 61619982
Circumference 193584882.76554
Area 2.9821742478711E+15

Sphere

Radius = n
Volume 1.2250768231645E+23
Surface area 1.1928696991484E+16
Circumference 193584882.76554

Square

Length = n
Perimeter 123239964
Area 949255545420081
Diagonal 43571907.128793

Cube

Length = n
Surface area 5695533272520486
Volume 2.9246554811093E+22
Space diagonal 53364469.79274

Equilateral Triangle

Length = n
Perimeter 92429973
Area 4.1103970850852E+14
Altitude 26682234.89637

Triangular Pyramid

Length = n
Surface area 4.1103970850852E+14
Volume 3.446739538878E+21
Height 14523969.042931