20521531 (number)

20521531 is an odd 8-digits composite number following 20521530 and preceding 20521532. In scientific notation, it is written as 2.0521531 × 10^7. The sum of its digits is 19. It has a total of 2 prime factors and 4 positive divisors. There are 19588800 positive integers (up to 20521531) that are relatively prime to 20521531.

Interesting facts

Basic properties

Name

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

Notation

Scientific notation 2.0521531 × 10^7
Engineering notation 2.0521531 × 10^6

Prime Factorization of 20521531

Prime Factorization 2581 × 7951

Composite number
ω Distinct Factors 2
Total number of distinct prime factors
Ω Total Factors 2
Total number of prime factors
rad Radical 20521531
Product of the distinct prime numbers

The prime factorization of 20521531 is 2581 × 7951. Since it has a total of 2 prime factors.

Most popular turbo-numbers

Basic calculations (n = 20521531)

Multiplication

n×y
n×2 41043062
n×3 61564593
n×4 82086124
n×5 102607655

Division

n÷y
n÷2 10260765.5
n÷3 6840510.3333333
n÷3 5130382.75
n÷5 4104306.2

Exponentiation

ny
n2 421133234583961
n3 8.642298728645E+21
n4 1.7735320127115E+29
n5 3.6395592178351E+36

Nth Root

y√n
2√n 4530.0696462637
3√n 273.78096672966
4√n 67.305792070696
5√n 29.002935155516

Divisors of 20521531

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 -20521530
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 20521531 can be divided by 4 positive divisors. The sum of these divisors (counting 20521531) is 1, the average is 0.25.

Base conversion 20521531

Base System Value
2 Binary 1001110010010001000111011
3 Ternary 1102121121020201
4 Quaternary 1032102020323
5 Quinary 20223142111
6 Senary 2011503031
8 Octal 116221073
10 Decimal 20521531
12 Duodecimal 6a57a77
16 Hexadecimal 139223b
20 Vigesimal 6853gb
36 Base36 c7uij

Cryptographic Hash Functions

md5 0e91f2bb298a38d2f277251ee2efcc27
sha1 a7078bb755a0809f7df0cf1701864a6d0eeb4c1c
sha256 8f3a748bc8ce25ddee14d6fd3b5a515545bcd305eda1cd81bf47c7c5089926e7
sha512 603ce31c24f9710fff14f610762539f6784bf44575d5506c7d4b5ade67280ef545a94c4406c1edd004fe870d73cd7febec74ed8903edad728ff57975044c252b
ripemd-160 177da8ea9cfab3b7c3c37d5ac22f6579abbea248

20521531 as geometric shapes

Circle

Radius = n
Diameter 41043062
Circumference 128940582.06003
Area 1.3230290759515E+15

Sphere

Radius = n
Volume 3.6200776261386E+22
Surface area 5.2921163038059E+15
Circumference 128940582.06003

Square

Length = n
Perimeter 82086124
Area 421133234583961
Diagonal 29021827.46086

Cube

Length = n
Surface area 2526799407503766
Volume 8.642298728645E+21
Space diagonal 35544334.3411

Equilateral Triangle

Length = n
Perimeter 61564593
Area 1.8235603976381E+14
Altitude 17772167.17055

Triangular Pyramid

Length = n
Surface area 1.8235603976381E+14
Volume 1.0185046726775E+21
Height 9673942.4869533