21371251 (number)

21371251 is an odd 8-digits composite number following 21371250 and preceding 21371252. In scientific notation, it is written as 2.1371251 × 10^7. The sum of its digits is 22. It has a total of 2 prime factors and 4 positive divisors. There are 19428400 positive integers (up to 21371251) that are relatively prime to 21371251.

Interesting facts

Basic properties

Name

Name twenty-one million three hundred seventy-one thousand two hundred fifty-one

Notation

Scientific notation 2.1371251 × 10^7
Engineering notation 2.1371251 × 10^6

Prime Factorization of 21371251

Prime Factorization 11 × 1942841

Composite number
ω Distinct Factors 2
Total number of distinct prime factors
Ω Total Factors 2
Total number of prime factors
rad Radical 21371251
Product of the distinct prime numbers

The prime factorization of 21371251 is 11 × 1942841. Since it has a total of 2 prime factors.

Most popular turbo-numbers

Basic calculations (n = 21371251)

Multiplication

n×y
n×2 42742502
n×3 64113753
n×4 85485004
n×5 106856255

Division

n÷y
n÷2 10685625.5
n÷3 7123750.3333333
n÷3 5342812.75
n÷5 4274250.2

Exponentiation

ny
n2 456730369305001
n3 9.7608993617399E+21
n4 2.0860263024548E+29
n5 4.4580991702364E+36

Nth Root

y√n
2√n 4622.905039042
3√n 277.50872899523
4√n 67.9919483398
5√n 29.239233870478

Divisors of 21371251

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 -21371250
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 21371251 can be divided by 4 positive divisors. The sum of these divisors (counting 21371251) is 1, the average is 0.25.

Base conversion 21371251

Base System Value
2 Binary 1010001100001100101110011
3 Ternary 1111012202211211
4 Quaternary 1101201211303
5 Quinary 20432340001
6 Senary 2042020551
8 Octal 121414563
10 Decimal 21371251
12 Duodecimal 71a7757
16 Hexadecimal 1461973
20 Vigesimal 6db82b
36 Base36 cq25v

Cryptographic Hash Functions

md5 a7c2ab943fd9bcb442ffd24c9573196d
sha1 3eb220aa7af677b00605300fc0763c3dd09b28a0
sha256 d1af80621e510dcb907eeb0fb3d8036b6e4a1ce36d556661909680c26037a17f
sha512 77f299e534d601227db9dcaaec9aeaf9396432ba8e2808a7ef0b23fe13af32b40700607a0dc32f70c765328f301f542cda83a9474a36a5b7bb19e12c8782cabd
ripemd-160 efb9a71e210e19e2d2f250004203f6f2806449ea

21371251 as geometric shapes

Circle

Radius = n
Diameter 42742502
Circumference 134279530.27925
Area 1.4348607728799E+15

Sphere

Radius = n
Volume 4.0886359636362E+22
Surface area 5.7394430915198E+15
Circumference 134279530.27925

Square

Length = n
Perimeter 85485004
Area 456730369305001
Diagonal 30223513.00908

Cube

Length = n
Surface area 2740382215830006
Volume 9.7608993617399E+21
Space diagonal 37016092.553307

Equilateral Triangle

Length = n
Perimeter 64113753
Area 1.9777005124899E+14
Altitude 18508046.276654

Triangular Pyramid

Length = n
Surface area 1.9777005124899E+14
Volume 1.1503330215276E+21
Height 10074504.33636