21491882 (number)

21491882 is an even 8-digits composite number following 21491881 and preceding 21491883. In scientific notation, it is written as 2.1491882 × 10^7. The sum of its digits is 35. It has a total of 3 prime factors and 8 positive divisors. There are 10703872 positive integers (up to 21491882) that are relatively prime to 21491882.

Interesting facts

Basic properties

Name

Name twenty-one million four hundred ninety-one thousand eight hundred eighty-two

Notation

Scientific notation 2.1491882 × 10^7
Engineering notation 2.1491882 × 10^6

Prime Factorization of 21491882

Prime Factorization 2 × 257 × 41813

Composite number
ω Distinct Factors 3
Total number of distinct prime factors
Ω Total Factors 3
Total number of prime factors
rad Radical 21491882
Product of the distinct prime numbers

The prime factorization of 21491882 is 2 × 257 × 41813. Since it has a total of 3 prime factors.

Most popular turbo-numbers

Basic calculations (n = 21491882)

Multiplication

n×y
n×2 42983764
n×3 64475646
n×4 85967528
n×5 107459410

Division

n÷y
n÷2 10745941
n÷3 7163960.6666667
n÷3 5372970.5
n÷5 4298376.4

Exponentiation

ny
n2 461900991901924
n3 9.9271216136391E+21
n4 2.1335252631998E+29
n5 4.5853473200709E+36

Nth Root

y√n
2√n 4635.933778647
3√n 278.02988654417
4√n 68.087691829339
5√n 29.272168032395

Divisors of 21491882

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 -21491881
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 21491882 can be divided by 8 positive divisors. The sum of these divisors (counting 21491882) is 1, the average is 0.125.

Base conversion 21491882

Base System Value
2 Binary 1010001111111000010101010
3 Ternary 1111102220022122
4 Quaternary 1101333002222
5 Quinary 21000220012
6 Senary 2044351242
8 Octal 121770252
10 Decimal 21491882
12 Duodecimal 7245522
16 Hexadecimal 147f0aa
20 Vigesimal 6e69e2
36 Base36 csn8q

Cryptographic Hash Functions

md5 4b94d1d4603c7874a00950f2482f1f7c
sha1 ef00ad3faafca9ec73fc74cf243131a531250dc2
sha256 f0cad40102db257786b60fec715028df13f2cb3b3f246e9c240baba6ccf3e9b7
sha512 7de9e525175f624d9bc9846f716e1dfc81e2f724016b43be67d8ff865ccb6732a6cfb881947ca14f34646cee194c4df1b7d9e1b89456e66f34d961312196d189
ripemd-160 1fd3cf89413b99faf9a6607ebda0d4aef8b6e9da

21491882 as geometric shapes

Circle

Radius = n
Diameter 42983764
Circumference 135037477.20604
Area 1.4511047628449E+15

Sphere

Radius = n
Volume 4.1582629776935E+22
Surface area 5.8044190513797E+15
Circumference 135037477.20604

Square

Length = n
Perimeter 85967528
Area 461900991901924
Diagonal 30394111.005322

Cube

Length = n
Surface area 2771405951411544
Volume 9.9271216136391E+21
Space diagonal 37225031.574275

Equilateral Triangle

Length = n
Perimeter 64475646
Area 2.0000899651015E+14
Altitude 18612515.787138

Triangular Pyramid

Length = n
Surface area 2.0000899651015E+14
Volume 1.169922501778E+21
Height 10131370.335107