21215295 (number)

21215295 is an odd 8-digits composite number following 21215294 and preceding 21215296. In scientific notation, it is written as 2.1215295 × 10^7. The sum of its digits is 27. It has a total of 2 prime factors and 4 positive divisors. There are 11314800 positive integers (up to 21215295) that are relatively prime to 21215295.

Interesting facts

Basic properties

Name

Name twenty-one million two hundred fifteen thousand two hundred ninety-five

Notation

Scientific notation 2.1215295 × 10^7
Engineering notation 2.1215295 × 10^6

Prime Factorization of 21215295

Prime Factorization 45 × 471451

Composite number
ω Distinct Factors 2
Total number of distinct prime factors
Ω Total Factors 2
Total number of prime factors
rad Radical 21215295
Product of the distinct prime numbers

The prime factorization of 21215295 is 45 × 471451. Since it has a total of 2 prime factors.

Most popular turbo-numbers

Basic calculations (n = 21215295)

Multiplication

n×y
n×2 42430590
n×3 63645885
n×4 84861180
n×5 106076475

Division

n÷y
n÷2 10607647.5
n÷3 7071765
n÷3 5303823.75
n÷5 4243059

Exponentiation

ny
n2 450088741937025
n3 9.5487654363729E+21
n4 2.0257987561845E+29
n5 4.2977918223088E+36

Nth Root

y√n
2√n 4606.0064046851
3√n 276.83204335039
4√n 67.867565189014
5√n 29.196434286902

Divisors of 21215295

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 -21215294
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 21215295 can be divided by 4 positive divisors. The sum of these divisors (counting 21215295) is 1, the average is 0.25.

Base conversion 21215295

Base System Value
2 Binary 1010000111011100000111111
3 Ternary 1110220211220200
4 Quaternary 1100323200333
5 Quinary 20412342140
6 Senary 2034414543
8 Octal 120734077
10 Decimal 21215295
12 Duodecimal 7131453
16 Hexadecimal 143b83f
20 Vigesimal 6cbi4f
36 Base36 cmptr

Cryptographic Hash Functions

md5 d397991f472c069648a93fddbe839a12
sha1 fbd68556b0caab8b86ee6e0aff67cbb34b4f7a50
sha256 14870e2431830ee5f4cbdf155166893a35964fc082353a2f5b496c285bf764d3
sha512 821e0c63faafb5910a1ca7fef9891bf0d2524eaddb9ebcdb7c757d96e96cc37f81fb48916e483b85cf62cca953f1ff2546d1340cb27a1fe3a1bcc76f108a29f3
ripemd-160 e67f2f2e033692379ee3193c595eb7b5ad574b68

21215295 as geometric shapes

Circle

Radius = n
Diameter 42430590
Circumference 133299629.83148
Area 1.4139954851328E+15

Sphere

Radius = n
Volume 3.9997775127681E+22
Surface area 5.6559819405313E+15
Circumference 133299629.83148

Square

Length = n
Perimeter 84861180
Area 450088741937025
Diagonal 30002957.918746

Cube

Length = n
Surface area 2700532451622150
Volume 9.5487654363729E+21
Space diagonal 36745968.837562

Equilateral Triangle

Length = n
Perimeter 63645885
Area 1.9489414223742E+14
Altitude 18372984.418781

Triangular Pyramid

Length = n
Surface area 1.9489414223742E+14
Volume 1.1253327986698E+21
Height 10000985.972915