21693989 (number)

21693989 is an odd 8-digits composite number following 21693988 and preceding 21693990. In scientific notation, it is written as 2.1693989 × 10^7. The sum of its digits is 47. It has a total of 2 prime factors and 4 positive divisors. There are 20417856 positive integers (up to 21693989) that are relatively prime to 21693989.

Interesting facts

Basic properties

Name

Name twenty-one million six hundred ninety-three thousand nine hundred eighty-nine

Notation

Scientific notation 2.1693989 × 10^7
Engineering notation 2.1693989 × 10^6

Prime Factorization of 21693989

Prime Factorization 17 × 1276117

Composite number
ω Distinct Factors 2
Total number of distinct prime factors
Ω Total Factors 2
Total number of prime factors
rad Radical 21693989
Product of the distinct prime numbers

The prime factorization of 21693989 is 17 × 1276117. Since it has a total of 2 prime factors.

Most popular turbo-numbers

Basic calculations (n = 21693989)

Multiplication

n×y
n×2 43387978
n×3 65081967
n×4 86775956
n×5 108469945

Division

n÷y
n÷2 10846994.5
n÷3 7231329.6666667
n÷3 5423497.25
n÷5 4338797.8

Exponentiation

ny
n2 470629158732121
n3 1.0209823792614E+22
n4 2.214918050489E+29
n5 4.8050407823211E+36

Nth Root

y√n
2√n 4657.6806459868
3√n 278.89868839488
4√n 68.247202477368
5√n 29.327016472935

Divisors of 21693989

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 -21693988
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 21693989 can be divided by 4 positive divisors. The sum of these divisors (counting 21693989) is 1, the average is 0.25.

Base conversion 21693989

Base System Value
2 Binary 1010010110000011000100101
3 Ternary 1111211011120002
4 Quaternary 1102300120211
5 Quinary 21023201424
6 Senary 2052551045
8 Octal 122603045
10 Decimal 21693989
12 Duodecimal 7322485
16 Hexadecimal 14b0625
20 Vigesimal 6fbej9
36 Base36 cwz6t

Cryptographic Hash Functions

md5 11f7b9d56deae83e354910fd4aea7a8e
sha1 a0097416b4e9b90fc5d9891c71c9f9bbdaeafece
sha256 c6ca388d878605cd5829cf631f5fdb84beb6b1846099fe69e1c146ceba01e88d
sha512 1152ddfae7d6bc8d07b408257b44749776d83ba73dc9d753c68d2e18bc41dec2a54fa02e7707c649b2a11f1a5bed8a8d4dc1fc60ee410e95cec7aabb7aff646e
ripemd-160 6c2ba59f9de3cfb19f8b912a60be6dc8547c4608

21693989 as geometric shapes

Circle

Radius = n
Diameter 43387978
Circumference 136307352.93892
Area 1.478525107638E+15

Sphere

Radius = n
Volume 4.2766809895096E+22
Surface area 5.9141004305519E+15
Circumference 136307352.93892

Square

Length = n
Perimeter 86775956
Area 470629158732121
Diagonal 30679933.465773

Cube

Length = n
Surface area 2823774952392726
Volume 1.0209823792614E+22
Space diagonal 37575091.16684

Equilateral Triangle

Length = n
Perimeter 65081967
Area 2.0378840361186E+14
Altitude 18787545.58342

Triangular Pyramid

Length = n
Surface area 2.0378840361186E+14
Volume 1.2032392730795E+21
Height 10226644.488591