21242758 (number)

21242758 is an even 8-digits composite number following 21242757 and preceding 21242759. In scientific notation, it is written as 2.1242758 × 10^7. The sum of its digits is 31. It has a total of 3 prime factors and 8 positive divisors. There are 9996576 positive integers (up to 21242758) that are relatively prime to 21242758.

Interesting facts

Basic properties

Name

Name twenty-one million two hundred forty-two thousand seven hundred fifty-eight

Notation

Scientific notation 2.1242758 × 10^7
Engineering notation 2.1242758 × 10^6

Prime Factorization of 21242758

Prime Factorization 2 × 17 × 624787

Composite number
ω Distinct Factors 3
Total number of distinct prime factors
Ω Total Factors 3
Total number of prime factors
rad Radical 21242758
Product of the distinct prime numbers

The prime factorization of 21242758 is 2 × 17 × 624787. Since it has a total of 3 prime factors.

Most popular turbo-numbers

Basic calculations (n = 21242758)

Multiplication

n×y
n×2 42485516
n×3 63728274
n×4 84971032
n×5 106213790

Division

n÷y
n÷2 10621379
n÷3 7080919.3333333
n÷3 5310689.5
n÷5 4248551.6

Exponentiation

ny
n2 451254767446564
n3 9.5858958212136E+21
n4 2.0363086514325E+29
n5 4.3256811895687E+36

Nth Root

y√n
2√n 4608.9866565222
3√n 276.95144400369
4√n 67.88951801657
5√n 29.203989277929

Divisors of 21242758

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 -21242757
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 21242758 can be divided by 8 positive divisors. The sum of these divisors (counting 21242758) is 1, the average is 0.125.

Base conversion 21242758

Base System Value
2 Binary 1010001000010001110000110
3 Ternary 1110222020120211
4 Quaternary 1101002032012
5 Quinary 20414232013
6 Senary 2035150034
8 Octal 121021606
10 Decimal 21242758
12 Duodecimal 714531a
16 Hexadecimal 1442386
20 Vigesimal 6cf6hi
36 Base36 cnb0m

Cryptographic Hash Functions

md5 87d6d2f6859c6ad80b9966ef69918f5b
sha1 5852dd7964dea0cff10f087f6ec3e9267941f605
sha256 dd9800ff203a801dcf597139f2b2872dbdb4523ea5ffc1afa06b448f03340663
sha512 3efa1bed8ac0cd896b9b478cc3b5ac92cc46514c3fc5daf097f696867e57ebda8ca93e03fedba18f2a37a9ed00eb71d9be49402f0729de1b603af332d8d32122
ripemd-160 cfa82d9868769474a901e353003481629fae84ba

21242758 as geometric shapes

Circle

Radius = n
Diameter 42485516
Circumference 133472184.94957
Area 1.4176586623075E+15

Sphere

Radius = n
Volume 4.0153306520002E+22
Surface area 5.67063464923E+15
Circumference 133472184.94957

Square

Length = n
Perimeter 84971032
Area 451254767446564
Diagonal 30041796.46581

Cube

Length = n
Surface area 2707528604679384
Volume 9.5858958212136E+21
Space diagonal 36793536.14889

Equilateral Triangle

Length = n
Perimeter 63728274
Area 1.9539904609378E+14
Altitude 18396768.074445

Triangular Pyramid

Length = n
Surface area 1.9539904609378E+14
Volume 1.129708656488E+21
Height 10013932.15527