30909945 (number)

30909945 is an odd 8-digits composite number following 30909944 and preceding 30909946. In scientific notation, it is written as 3.0909945 × 10^7. The sum of its digits is 39. It has a total of 3 prime factors and 8 positive divisors. There are 14500800 positive integers (up to 30909945) that are relatively prime to 30909945.

Interesting facts

Basic properties

Name

Name thirty million nine hundred nine thousand nine hundred forty-five

Notation

Scientific notation 3.0909945 × 10^7
Engineering notation 3.0909945 × 10^6

Prime Factorization of 30909945

Prime Factorization 465 × 11 × 6043

Composite number
ω Distinct Factors 3
Total number of distinct prime factors
Ω Total Factors 3
Total number of prime factors
rad Radical 30909945
Product of the distinct prime numbers

The prime factorization of 30909945 is 465 × 11 × 6043. Since it has a total of 3 prime factors.

Most popular turbo-numbers

Basic calculations (n = 30909945)

Multiplication

n×y
n×2 61819890
n×3 92729835
n×4 123639780
n×5 154549725

Division

n÷y
n÷2 15454972.5
n÷3 10303315
n÷3 7727486.25
n÷5 6181989

Exponentiation

ny
n2 955424699903025
n3 2.9532124925644E+22
n4 9.1283635718479E+29
n5 2.8215721594582E+37

Nth Root

y√n
2√n 5559.6713032337
3√n 313.83357984533
4√n 74.563203413169
5√n 31.47890714041

Divisors of 30909945

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 -30909944
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 30909945 can be divided by 8 positive divisors. The sum of these divisors (counting 30909945) is 1, the average is 0.125.

Base conversion 30909945

Base System Value
2 Binary 1110101111010010111111001
3 Ternary 2011011101110210
4 Quaternary 1311322113321
5 Quinary 30403104240
6 Senary 3022301333
8 Octal 165722771
10 Decimal 30909945
12 Duodecimal a427849
16 Hexadecimal 1d7a5f9
20 Vigesimal 9d3eh5
36 Base36 iei9l

Cryptographic Hash Functions

md5 ef43c2c84846642a732b510b29b3018c
sha1 259e9620eca637c0b0467ba2c2aa46234daff8f8
sha256 7b539c2cff10546e836ff8480ea9f58cddfa3448827070bbe8cf499ce440bef0
sha512 da9a76d75710904bdb2392770de2bc407826d5f3aa39854271733065a6b92b582b56a44ce00051dba63832cc86610dae79083635dc43e6ee28b64b07f2f48235
ripemd-160 d526aa40c79c49315c3b23ee35fc0ba992c2e93c

30909945 as geometric shapes

Circle

Radius = n
Diameter 61819890
Circumference 194212912.26973
Area 3.0015552182736E+15

Sphere

Radius = n
Volume 1.2370387561507E+23
Surface area 1.2006220873094E+16
Circumference 194212912.26973

Square

Length = n
Perimeter 123639780
Area 955424699903025
Diagonal 43713263.431206

Cube

Length = n
Surface area 5732548199418150
Volume 2.9532124925644E+22
Space diagonal 53537595.19916

Equilateral Triangle

Length = n
Perimeter 92729835
Area 4.1371103075957E+14
Altitude 26768797.59958

Triangular Pyramid

Length = n
Surface area 4.1371103075957E+14
Volume 3.4803942996285E+21
Height 14571087.810402