21491433 (number)

21491433 is an odd 8-digits composite number following 21491432 and preceding 21491434. In scientific notation, it is written as 2.1491433 × 10^7. The sum of its digits is 27. It has a total of 2 prime factors and 4 positive divisors. There are 14327604 positive integers (up to 21491433) that are relatively prime to 21491433.

Interesting facts

Basic properties

Name

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

Notation

Scientific notation 2.1491433 × 10^7
Engineering notation 2.1491433 × 10^6

Prime Factorization of 21491433

Prime Factorization 27 × 795979

Composite number
ω Distinct Factors 2
Total number of distinct prime factors
Ω Total Factors 2
Total number of prime factors
rad Radical 21491433
Product of the distinct prime numbers

The prime factorization of 21491433 is 27 × 795979. Since it has a total of 2 prime factors.

Most popular turbo-numbers

Basic calculations (n = 21491433)

Multiplication

n×y
n×2 42982866
n×3 64474299
n×4 85965732
n×5 107457165

Division

n÷y
n÷2 10745716.5
n÷3 7163811
n÷3 5372858.25
n÷5 4298286.6

Exponentiation

ny
n2 461881692393489
n3 9.9264994460013E+21
n4 2.1333469776827E+29
n5 4.5848683636621E+36

Nth Root

y√n
2√n 4635.8853523356
3√n 278.02795036678
4√n 68.08733621119
5√n 29.272045722834

Divisors of 21491433

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 -21491432
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 21491433 can be divided by 4 positive divisors. The sum of these divisors (counting 21491433) is 1, the average is 0.25.

Base conversion 21491433

Base System Value
2 Binary 1010001111110111011101001
3 Ternary 1111102212201000
4 Quaternary 1101332323221
5 Quinary 21000211213
6 Senary 2044345213
8 Octal 121767351
10 Decimal 21491433
12 Duodecimal 7245209
16 Hexadecimal 147eee9
20 Vigesimal 6e68bd
36 Base36 csmw9

Cryptographic Hash Functions

md5 ef2390a314216495ab01ca0bda5b4c33
sha1 1a7db3174b20345abce849e1123dd351226cab59
sha256 b36e5ca537a00e9ad1312168be34250b80a179e2525720e680c988d3cf1c150a
sha512 bbcf6bfde081f17422c0487c3bf426c1b5a6ace79b8e8e6937c664e0b1c6c7241652ea97fe98bc467df25ee3ffa4af13bce8b5071c10f175b057585573451162
ripemd-160 160f3ddfa872e22376531ec296d24240ca2a95d7

21491433 as geometric shapes

Circle

Radius = n
Diameter 42982866
Circumference 135034656.05583
Area 1.451044131651E+15

Sphere

Radius = n
Volume 4.1580023647228E+22
Surface area 5.804176526604E+15
Circumference 135034656.05583

Square

Length = n
Perimeter 85965732
Area 461881692393489
Diagonal 30393476.023433

Cube

Length = n
Surface area 2771290154360934
Volume 9.9264994460013E+21
Space diagonal 37224253.883462

Equilateral Triangle

Length = n
Perimeter 64474299
Area 2.0000063957786E+14
Altitude 18612126.941731

Triangular Pyramid

Length = n
Surface area 2.0000063957786E+14
Volume 1.1698491786187E+21
Height 10131158.674478