21531671 (number)

21531671 is an odd 8-digits composite number following 21531670 and preceding 21531672. In scientific notation, it is written as 2.1531671 × 10^7. The sum of its digits is 26. It has a total of 2 prime factors and 4 positive divisors. There are 18455712 positive integers (up to 21531671) that are relatively prime to 21531671.

Interesting facts

Basic properties

Name

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

Notation

Scientific notation 2.1531671 × 10^7
Engineering notation 2.1531671 × 10^6

Prime Factorization of 21531671

Prime Factorization 7 × 3075953

Composite number
ω Distinct Factors 2
Total number of distinct prime factors
Ω Total Factors 2
Total number of prime factors
rad Radical 21531671
Product of the distinct prime numbers

The prime factorization of 21531671 is 7 × 3075953. Since it has a total of 2 prime factors.

Most popular turbo-numbers

Basic calculations (n = 21531671)

Multiplication

n×y
n×2 43063342
n×3 64595013
n×4 86126684
n×5 107658355

Division

n÷y
n÷2 10765835.5
n÷3 7177223.6666667
n÷3 5382917.75
n÷5 4306334.2

Exponentiation

ny
n2 463612856052241
n3 9.9823594878872E+21
n4 2.1493688029692E+29
n5 4.6279501923196E+36

Nth Root

y√n
2√n 4640.2231627369
3√n 278.20135766516
4√n 68.119183514902
5√n 29.282998621694

Divisors of 21531671

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 -21531670
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 21531671 can be divided by 4 positive divisors. The sum of these divisors (counting 21531671) is 1, the average is 0.25.

Base conversion 21531671

Base System Value
2 Binary 1010010001000110000010111
3 Ternary 1111111220220022
4 Quaternary 1102020300113
5 Quinary 21003003141
6 Senary 2045255355
8 Octal 122106027
10 Decimal 21531671
12 Duodecimal 726455b
16 Hexadecimal 1488c17
20 Vigesimal 6eb93b
36 Base36 cthxz

Cryptographic Hash Functions

md5 593765581fd81bb7e068ecdd5e4fad7d
sha1 3384b40e98db042cd232cc5580052c8459cc27a9
sha256 79251828aa2d048827a6f874eda2a01e778c72f579a8623ffd0b6a9dba8c29cc
sha512 86407c5486bae055e183028422446aeb65e455a208375953b081e02288582385ca8df27615e033b2b2be78fa1f6337ffeed81ea7f544a2f4a7e2ef583c5ac7e8
ripemd-160 5c7077dbeefbff30df502d17d98aebe53a513cca

21531671 as geometric shapes

Circle

Radius = n
Diameter 43063342
Circumference 135287478.86622
Area 1.4564827426835E+15

Sphere

Radius = n
Volume 4.1814009643518E+22
Surface area 5.825930970734E+15
Circumference 135287478.86622

Square

Length = n
Perimeter 86126684
Area 463612856052241
Diagonal 30450381.148755

Cube

Length = n
Surface area 2781677136313446
Volume 9.9823594878872E+21
Space diagonal 37293948.143857

Equilateral Triangle

Length = n
Perimeter 64595013
Area 2.0075025543115E+14
Altitude 18646974.071929

Triangular Pyramid

Length = n
Surface area 2.0075025543115E+14
Volume 1.1764323476878E+21
Height 10150127.049585