21000531 (number)

21000531 is an odd 8-digits composite number following 21000530 and preceding 21000532. In scientific notation, it is written as 2.1000531 × 10^7. The sum of its digits is 12. It has a total of 3 prime factors and 8 positive divisors. There are 13770720 positive integers (up to 21000531) that are relatively prime to 21000531.

Interesting facts

Basic properties

Name

Name twenty-one million five hundred thirty-one

Notation

Scientific notation 2.1000531 × 10^7
Engineering notation 2.1000531 × 10^6

Prime Factorization of 21000531

Prime Factorization 3 × 61 × 114757

Composite number
ω Distinct Factors 3
Total number of distinct prime factors
Ω Total Factors 3
Total number of prime factors
rad Radical 21000531
Product of the distinct prime numbers

The prime factorization of 21000531 is 3 × 61 × 114757. Since it has a total of 3 prime factors.

Most popular turbo-numbers

Basic calculations (n = 21000531)

Multiplication

n×y
n×2 42001062
n×3 63001593
n×4 84002124
n×5 105002655

Division

n÷y
n÷2 10500265.5
n÷3 7000177
n÷3 5250132.75
n÷5 4200106.2

Exponentiation

ny
n2 441022302281961
n3 9.2617025307637E+21
n4 1.9450067111008E+29
n5 4.0846173731681E+36

Nth Root

y√n
2√n 4582.6336314395
3√n 275.89474299746
4√n 67.695152200431
5√n 29.137081933912

Divisors of 21000531

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 -21000530
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 21000531 can be divided by 8 positive divisors. The sum of these divisors (counting 21000531) is 1, the average is 0.125.

Base conversion 21000531

Base System Value
2 Binary 1010000000111000101010011
3 Ternary 1110111221022110
4 Quaternary 1100013011103
5 Quinary 20334004111
6 Senary 2030040403
8 Octal 120070523
10 Decimal 21000531
12 Duodecimal 7049103
16 Hexadecimal 1407153
20 Vigesimal 6b516b
36 Base36 ci443

Cryptographic Hash Functions

md5 5249627c4bed20ba58e14c625969ceb8
sha1 a70bd12fb1dbadc3351073b1bb1c7097a91fc1c6
sha256 8393376362d8fee8b50c50fc5ca95f272b688785f8010d6ccb7e56129aef92a7
sha512 5b43d1ca32b7b5818ea36ed5b6665bbdc18f0bbd278505d315596fd9f74ebb2f3be57cc956c66a0685864ee61d4bca5f3ddda1c94e79ea88a10b3fbb592c2baa
ripemd-160 aec619607f147203f6a7762767976c8aac6c346d

21000531 as geometric shapes

Circle

Radius = n
Diameter 42001062
Circumference 131950227.82217
Area 1.3855124249183E+15

Sphere

Radius = n
Volume 3.8795328840508E+22
Surface area 5.5420496996731E+15
Circumference 131950227.82217

Square

Length = n
Perimeter 84002124
Area 441022302281961
Diagonal 29699235.757237

Cube

Length = n
Surface area 2646133813691766
Volume 9.2617025307637E+21
Space diagonal 36373986.677925

Equilateral Triangle

Length = n
Perimeter 63001593
Area 1.9096825870584E+14
Altitude 18186993.338963

Triangular Pyramid

Length = n
Surface area 1.9096825870584E+14
Volume 1.0915021108059E+21
Height 9899745.2524122