21492638 (number)

21492638 is an even 8-digits composite number following 21492637 and preceding 21492639. In scientific notation, it is written as 2.1492638 × 10^7. The sum of its digits is 35. It has a total of 3 prime factors and 8 positive divisors. There are 10564120 positive integers (up to 21492638) that are relatively prime to 21492638.

Interesting facts

Basic properties

Name

Name twenty-one million four hundred ninety-two thousand six hundred thirty-eight

Notation

Scientific notation 2.1492638 × 10^7
Engineering notation 2.1492638 × 10^6

Prime Factorization of 21492638

Prime Factorization 2 × 59 × 182141

Composite number
ω Distinct Factors 3
Total number of distinct prime factors
Ω Total Factors 3
Total number of prime factors
rad Radical 21492638
Product of the distinct prime numbers

The prime factorization of 21492638 is 2 × 59 × 182141. Since it has a total of 3 prime factors.

Most popular turbo-numbers

Basic calculations (n = 21492638)

Multiplication

n×y
n×2 42985276
n×3 64477914
n×4 85970552
n×5 107463190

Division

n÷y
n÷2 10746319
n÷3 7164212.6666667
n÷3 5373159.5
n÷5 4298527.6

Exponentiation

ny
n2 461933488199044
n3 9.9281692419393E+21
n4 2.1338254751974E+29
n5 4.5861538493595E+36

Nth Root

y√n
2√n 4636.0153149014
3√n 278.03314650577
4√n 68.088290585837
5√n 29.272373965479

Divisors of 21492638

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 -21492637
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 21492638 can be divided by 8 positive divisors. The sum of these divisors (counting 21492638) is 1, the average is 0.125.

Base conversion 21492638

Base System Value
2 Binary 1010001111111001110011110
3 Ternary 1111102221100122
4 Quaternary 1101333032132
5 Quinary 21000231023
6 Senary 2044354542
8 Octal 121771636
10 Decimal 21492638
12 Duodecimal 7245a52
16 Hexadecimal 147f39e
20 Vigesimal 6e6bbi
36 Base36 csntq

Cryptographic Hash Functions

md5 00dfaca51f2298a90289ef63e4fff5f2
sha1 1579242344c9aba6d716487f3f8f6b8c8727915e
sha256 69b8ecd0ccca9a3273c762622edab89a203bf07ca5e39b2d3b0135c9ca7a6946
sha512 35695c5b9f78bbe0ea3ce7657bf57ecff36cb54e1691611c20b380e82432ede981f63c07a853e198f503164256b7bc32c83d9b7cc3a4aabe6dfb549a570a6f8d
ripemd-160 c61bd644eebd5316be13687336b8222153fb82c9

21492638 as geometric shapes

Circle

Radius = n
Diameter 42985276
Circumference 135042227.29413
Area 1.4512068529732E+15

Sphere

Radius = n
Volume 4.1587018072097E+22
Surface area 5.8048274118929E+15
Circumference 135042227.29413

Square

Length = n
Perimeter 85970552
Area 461933488199044
Diagonal 30395180.150775

Cube

Length = n
Surface area 2771600929194264
Volume 9.9281692419393E+21
Space diagonal 37226341.004686

Equilateral Triangle

Length = n
Perimeter 64477914
Area 2.0002306781957E+14
Altitude 18613170.502343

Triangular Pyramid

Length = n
Surface area 2.0002306781957E+14
Volume 1.1700459659572E+21
Height 10131726.716925