20531909 (number)

20531909 is an odd 8-digits composite number following 20531908 and preceding 20531910. In scientific notation, it is written as 2.0531909 × 10^7. The sum of its digits is 29. It has a total of 3 prime factors and 8 positive divisors. There are 20241760 positive integers (up to 20531909) that are relatively prime to 20531909.

Interesting facts

Basic properties

Name

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

Notation

Scientific notation 2.0531909 × 10^7
Engineering notation 2.0531909 × 10^6

Prime Factorization of 20531909

Prime Factorization 107 × 311 × 617

Composite number
ω Distinct Factors 3
Total number of distinct prime factors
Ω Total Factors 3
Total number of prime factors
rad Radical 20531909
Product of the distinct prime numbers

The prime factorization of 20531909 is 107 × 311 × 617. Since it has a total of 3 prime factors.

Most popular turbo-numbers

Basic calculations (n = 20531909)

Multiplication

n×y
n×2 41063818
n×3 61595727
n×4 82127636
n×5 102659545

Division

n÷y
n÷2 10265954.5
n÷3 6843969.6666667
n÷3 5132977.25
n÷5 4106381.8

Exponentiation

ny
n2 421559287184281
n3 8.6554169225725E+21
n4 1.7771223261132E+29
n5 3.6487713881624E+36

Nth Root

y√n
2√n 4531.2149584852
3√n 273.82711046112
4√n 67.31429980684
5√n 29.00586799316

Divisors of 20531909

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 -20531908
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 20531909 can be divided by 8 positive divisors. The sum of these divisors (counting 20531909) is 1, the average is 0.125.

Base conversion 20531909

Base System Value
2 Binary 1001110010100101011000101
3 Ternary 1102122010111002
4 Quaternary 1032110223011
5 Quinary 20224010114
6 Senary 2012023045
8 Octal 116245305
10 Decimal 20531909
12 Duodecimal 6a61a85
16 Hexadecimal 1394ac5
20 Vigesimal 6869f9
36 Base36 c82it

Cryptographic Hash Functions

md5 72672b2195aa9309988cbe89087f33c3
sha1 50b4b21a488b45ca9d161614409a8dd040639bf3
sha256 231b86ac0e9956074d923c85d6500c6a4d59ec43d665790bd27ff14f66e08e62
sha512 4fc299e3cd9cdcc4c72e5251f6a2da2f896a7f5732d7dffcad38e1f623ff5b4175ef087e95cf261de40404ed55a02f675417083c7a944a1d3fc7c8a1aa929d95
ripemd-160 802febb68e6f4a7a86c19a71099f4499096dc47b

20531909 as geometric shapes

Circle

Radius = n
Diameter 41063818
Circumference 129005788.95715
Area 1.3243675596707E+15

Sphere

Radius = n
Volume 3.6255725623614E+22
Surface area 5.2974702386827E+15
Circumference 129005788.95715

Square

Length = n
Perimeter 82127636
Area 421559287184281
Diagonal 29036504.16921

Cube

Length = n
Surface area 2529355723105686
Volume 8.6554169225725E+21
Space diagonal 35562309.564381

Equilateral Triangle

Length = n
Perimeter 61595727
Area 1.8254052595142E+14
Altitude 17781154.78219

Triangular Pyramid

Length = n
Surface area 1.8254052595142E+14
Volume 1.020050666658E+21
Height 9678834.7230701