21693894 (number)

21693894 is an even 8-digits composite number following 21693893 and preceding 21693895. In scientific notation, it is written as 2.1693894 × 10^7. The sum of its digits is 42. It has a total of 3 prime factors and 8 positive divisors. There are 7231296 positive integers (up to 21693894) that are relatively prime to 21693894.

Interesting facts

Basic properties

Name

Name twenty-one million six hundred ninety-three thousand eight hundred ninety-four

Notation

Scientific notation 2.1693894 × 10^7
Engineering notation 2.1693894 × 10^6

Prime Factorization of 21693894

Prime Factorization 2 × 3 × 3615649

Composite number
ω Distinct Factors 3
Total number of distinct prime factors
Ω Total Factors 3
Total number of prime factors
rad Radical 21693894
Product of the distinct prime numbers

The prime factorization of 21693894 is 2 × 3 × 3615649. Since it has a total of 3 prime factors.

Most popular turbo-numbers

Basic calculations (n = 21693894)

Multiplication

n×y
n×2 43387788
n×3 65081682
n×4 86775576
n×5 108469470

Division

n÷y
n÷2 10846947
n÷3 7231298
n÷3 5423473.5
n÷5 4338778.8

Exponentiation

ny
n2 470625036883236
n3 1.0209689663891E+22
n4 2.2148792534135E+29
n5 4.8049355746351E+36

Nth Root

y√n
2√n 4657.6704477668
3√n 278.8982812865
4√n 68.24712776203
5√n 29.326990787742

Divisors of 21693894

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 -21693893
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 21693894 can be divided by 8 positive divisors. The sum of these divisors (counting 21693894) is 1, the average is 0.125.

Base conversion 21693894

Base System Value
2 Binary 1010010110000010111000110
3 Ternary 1111211011102120
4 Quaternary 1102300113012
5 Quinary 21023201034
6 Senary 2052550410
8 Octal 122602706
10 Decimal 21693894
12 Duodecimal 7322406
16 Hexadecimal 14b05c6
20 Vigesimal 6fbeee
36 Base36 cwz46

Cryptographic Hash Functions

md5 80faa3f4f4b8fbe297d2a460f29deb40
sha1 a356cdefde7cbe0050435067f4bfac06e19922c9
sha256 906ab4716c1b5ef82b8be73b4a930f12ffaca345e77514149c4b69ae83c71b83
sha512 7b08f5de8464722b703a9558a340ef591b0be206659e54bdbc470a24318ba3178b331c51062d3339d97c8fae09a5a0a2b47f7892fe769c9be8156bc5caaa522a
ripemd-160 12185fcaafda27e0ec8729f04f54145593e1b5e2

21693894 as geometric shapes

Circle

Radius = n
Diameter 43387788
Circumference 136306756.03631
Area 1.4785121584678E+15

Sphere

Radius = n
Volume 4.2766248058016E+22
Surface area 5.9140486338712E+15
Circumference 136306756.03631

Square

Length = n
Perimeter 86775576
Area 470625036883236
Diagonal 30679799.115484

Cube

Length = n
Surface area 2823750221299416
Volume 1.0209689663891E+22
Space diagonal 37574926.622014

Equilateral Triangle

Length = n
Perimeter 65081682
Area 2.0378661879894E+14
Altitude 18787463.311007

Triangular Pyramid

Length = n
Surface area 2.0378661879894E+14
Volume 1.2032234658579E+21
Height 10226599.705161