30806985 (number)

30806985 is an odd 8-digits composite number following 30806984 and preceding 30806986. In scientific notation, it is written as 3.0806985 × 10^7. The sum of its digits is 39. It has a total of 3 prime factors and 8 positive divisors. There are 14936640 positive integers (up to 30806985) that are relatively prime to 30806985.

Interesting facts

Basic properties

Name

Name thirty million eight hundred six thousand nine hundred eighty-five

Notation

Scientific notation 3.0806985 × 10^7
Engineering notation 3.0806985 × 10^6

Prime Factorization of 30806985

Prime Factorization 5 × 33 × 186709

Composite number
ω Distinct Factors 3
Total number of distinct prime factors
Ω Total Factors 3
Total number of prime factors
rad Radical 30806985
Product of the distinct prime numbers

The prime factorization of 30806985 is 5 × 33 × 186709. Since it has a total of 3 prime factors.

Most popular turbo-numbers

Basic calculations (n = 30806985)

Multiplication

n×y
n×2 61613970
n×3 92420955
n×4 123227940
n×5 154034925

Division

n÷y
n÷2 15403492.5
n÷3 10268995
n÷3 7701746.25
n÷5 6161397

Exponentiation

ny
n2 949070324790225
n3 2.9237995259758E+22
n4 9.0073448139742E+29
n5 2.7748913657393E+37

Nth Root

y√n
2√n 5550.404039347
3√n 313.4847358191
4√n 74.501033813948
5√n 31.457908104105

Divisors of 30806985

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 -30806984
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 30806985 can be divided by 8 positive divisors. The sum of these divisors (counting 30806985) is 1, the average is 0.125.

Base conversion 30806985

Base System Value
2 Binary 1110101100001001111001001
3 Ternary 2010222011020110
4 Quaternary 1311201033021
5 Quinary 30341310420
6 Senary 3020144533
8 Octal 165411711
10 Decimal 30806985
12 Duodecimal a398149
16 Hexadecimal 1d613c9
20 Vigesimal 9cah95
36 Base36 icatl

Cryptographic Hash Functions

md5 a0b854e43922414e1970a2fae132f993
sha1 3f96e4e674bea5116ce8d04525ea47cd01ee4954
sha256 71d8909b9979f3f1839c9e8efade320eba2f56392b65d95c970ee1f1d9fcfc1b
sha512 d0c99f278afe168ae1e1d64ec5927a736e529637258d0f5846421fa53722f33ea5f6f41d047acf1744b4c6ffea11a41257b46a7168c3936c4dca9a91ab7e1d0b
ripemd-160 a3d3590a490625a2a1b120840a31895cf159d2ce

30806985 as geometric shapes

Circle

Radius = n
Diameter 61613970
Circumference 193565995.5105
Area 2.981592360101E+15

Sphere

Radius = n
Volume 1.2247182815166E+23
Surface area 1.1926369440404E+16
Circumference 193565995.5105

Square

Length = n
Perimeter 123227940
Area 949070324790225
Diagonal 43567656.002825

Cube

Length = n
Surface area 5694421948741350
Volume 2.9237995259758E+22
Space diagonal 53359263.248012

Equilateral Triangle

Length = n
Perimeter 92420955
Area 4.1095950562314E+14
Altitude 26679631.624006

Triangular Pyramid

Length = n
Surface area 4.1095950562314E+14
Volume 3.4457307860791E+21
Height 14522552.000942