21492394 (number)

21492394 is an even 8-digits composite number following 21492393 and preceding 21492395. In scientific notation, it is written as 2.1492394 × 10^7. The sum of its digits is 34. It has a total of 5 prime factors and 32 positive divisors. There are 8244720 positive integers (up to 21492394) that are relatively prime to 21492394.

Interesting facts

Basic properties

Name

Name twenty-one million four hundred ninety-two thousand three hundred ninety-four

Notation

Scientific notation 2.1492394 × 10^7
Engineering notation 2.1492394 × 10^6

Prime Factorization of 21492394

Prime Factorization 2 × 7 × 11 × 67 × 2083

Composite number
ω Distinct Factors 5
Total number of distinct prime factors
Ω Total Factors 5
Total number of prime factors
rad Radical 21492394
Product of the distinct prime numbers

The prime factorization of 21492394 is 2 × 7 × 11 × 67 × 2083. Since it has a total of 5 prime factors.

Most popular turbo-numbers

Basic calculations (n = 21492394)

Multiplication

n×y
n×2 42984788
n×3 64477182
n×4 85969576
n×5 107461970

Division

n÷y
n÷2 10746197
n÷3 7164131.3333333
n÷3 5373098.5
n÷5 4298478.8

Exponentiation

ny
n2 461922999851236
n3 9.9278311104647E+21
n4 2.1337285779156E+29
n5 4.5858935285623E+36

Nth Root

y√n
2√n 4635.9889991241
3√n 278.03209435721
4√n 68.088097338111
5√n 29.272307500937

Divisors of 21492394

32 divisors

τ Total Divisors 32
Total number of the positive divisors of n
σ Sum of Divisors 1
Sum of all the positive divisors of n
s Aliquot Sum -21492393
Sum of the proper positive divisors of n
A Arithmetic Mean 0.03125
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 32
Returns the total number of divisors (τ(n)) divided by the sum of the reciprocal of each divisors

The number 21492394 can be divided by 32 positive divisors. The sum of these divisors (counting 21492394) is 1, the average is 0.03125.

Base conversion 21492394

Base System Value
2 Binary 1010001111111001010101010
3 Ternary 1111102221000121
4 Quaternary 1101333022222
5 Quinary 21000224034
6 Senary 2044353454
8 Octal 121771252
10 Decimal 21492394
12 Duodecimal 724588a
16 Hexadecimal 147f2aa
20 Vigesimal 6e6aje
36 Base36 csnmy

Cryptographic Hash Functions

md5 daa6e84cd3d5d905645c69b920719a90
sha1 4591e19209df918fbeebc10ccd0474bc3b8a0fa8
sha256 c8261237fa9c5dfe46036cbf380aa5a7eb8dccb1c5db4afe98f06320f64a5a0b
sha512 88da0a0bded2153e7b35228c1652dfeaed2222e35c90298587ec3979d5fa5a9e39b128a11c78fade38068ea30ef74d2a2831cb5c6ad0433e16e42478da93fbcb
ripemd-160 465a362faef3d838ca3d6c37293de82a4d6b4605

21492394 as geometric shapes

Circle

Radius = n
Diameter 42984788
Circumference 135040694.19691
Area 1.4511739028568E+15

Sphere

Radius = n
Volume 4.1585601710288E+22
Surface area 5.8046956114272E+15
Circumference 135040694.19691

Square

Length = n
Perimeter 85969576
Area 461922999851236
Diagonal 30394835.082666

Cube

Length = n
Surface area 2771537999107416
Volume 9.9278311104647E+21
Space diagonal 37225918.384288

Equilateral Triangle

Length = n
Perimeter 64477182
Area 2.0001852623174E+14
Altitude 18612959.192144

Triangular Pyramid

Length = n
Surface area 2.0001852623174E+14
Volume 1.1700061167807E+21
Height 10131611.694222