20409931 (number)

20409931 is an odd 8-digits composite number following 20409930 and preceding 20409932. In scientific notation, it is written as 2.0409931 × 10^7. The sum of its digits is 28. It has a total of 2 prime factors and 4 positive divisors. There are 20254000 positive integers (up to 20409931) that are relatively prime to 20409931.

Interesting facts

Basic properties

Name

Name twenty million four hundred nine thousand nine hundred thirty-one

Notation

Scientific notation 2.0409931 × 10^7
Engineering notation 2.0409931 × 10^6

Prime Factorization of 20409931

Prime Factorization 131 × 155801

Composite number
ω Distinct Factors 2
Total number of distinct prime factors
Ω Total Factors 2
Total number of prime factors
rad Radical 20409931
Product of the distinct prime numbers

The prime factorization of 20409931 is 131 × 155801. Since it has a total of 2 prime factors.

Most popular turbo-numbers

Basic calculations (n = 20409931)

Multiplication

n×y
n×2 40819862
n×3 61229793
n×4 81639724
n×5 102049655

Division

n÷y
n÷2 10204965.5
n÷3 6803310.3333333
n÷3 5102482.75
n÷5 4081986.2

Exponentiation

ny
n2 416565283424761
n3 8.5020686916948E+21
n4 1.7352663535475E+29
n5 3.5416666542526E+36

Nth Root

y√n
2√n 4517.7351626672
3√n 273.28377331997
4√n 67.21409943358
5√n 28.971321613608

Divisors of 20409931

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 -20409930
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 20409931 can be divided by 4 positive divisors. The sum of these divisors (counting 20409931) is 1, the average is 0.25.

Base conversion 20409931

Base System Value
2 Binary 1001101110110111001001011
3 Ternary 1102101221011101
4 Quaternary 1031312321023
5 Quinary 20211104211
6 Senary 2005242231
8 Octal 115667113
10 Decimal 20409931
12 Duodecimal 6a03377
16 Hexadecimal 1376e4b
20 Vigesimal 67b4gb
36 Base36 c5gej

Cryptographic Hash Functions

md5 a71962e6206b2c1c9c27fdee51ee682e
sha1 6eecf1b024c4ea9f6a9e914b48ce8a44db73241e
sha256 c9de4f50a749065556549ab976f292c2047c5ebcc8b32dffe97ca7e9e6229fc3
sha512 78d815037e41a12e58dff723fd2693902ba59a3fad038f6b552f7fb56f855ee0707be26538d2df1874e4b19671082cfe8b611387ebea1f972cd6657d18d2d137
ripemd-160 65e6376fa30c9ad34322a8a42d9c5fea95217b31

20409931 as geometric shapes

Circle

Radius = n
Diameter 40819862
Circumference 128239378.57975
Area 1.3086784341478E+15

Sphere

Radius = n
Volume 3.5613382056192E+22
Surface area 5.2347137365911E+15
Circumference 128239378.57975

Square

Length = n
Perimeter 81639724
Area 416565283424761
Diagonal 28864001.227299

Cube

Length = n
Surface area 2499391700548566
Volume 8.5020686916948E+21
Space diagonal 35351037.470975

Equilateral Triangle

Length = n
Perimeter 61229793
Area 1.8037805889025E+14
Altitude 17675518.735488

Triangular Pyramid

Length = n
Surface area 1.8037805889025E+14
Volume 1.0019784043352E+21
Height 9621333.742433