21031844 (number)

21031844 is an even 8-digits composite number following 21031843 and preceding 21031845. In scientific notation, it is written as 2.1031844 × 10^7. The sum of its digits is 23. It has a total of 5 prime factors and 24 positive divisors. There are 9710624 positive integers (up to 21031844) that are relatively prime to 21031844.

Interesting facts

Basic properties

Name

Name twenty-one million thirty-one thousand eight hundred forty-four

Notation

Scientific notation 2.1031844 × 10^7
Engineering notation 2.1031844 × 10^6

Prime Factorization of 21031844

Prime Factorization 2 × 2 × 23 × 29 × 7883

Composite number
ω Distinct Factors 4
Total number of distinct prime factors
Ω Total Factors 5
Total number of prime factors
rad Radical 10515922
Product of the distinct prime numbers

The prime factorization of 21031844 is 2 × 2 × 23 × 29 × 7883. Since it has a total of 5 prime factors.

Most popular turbo-numbers

Basic calculations (n = 21031844)

Multiplication

n×y
n×2 42063688
n×3 63095532
n×4 84127376
n×5 105159220

Division

n÷y
n÷2 10515922
n÷3 7010614.6666667
n÷3 5257961
n÷5 4206368.8

Exponentiation

ny
n2 442338462040336
n3 9.3031935288323E+21
n4 1.9566331500021E+29
n5 4.1151603176073E+36

Nth Root

y√n
2√n 4586.0488440487
3√n 276.03179987865
4√n 67.720372444698
5√n 29.145765769333

Divisors of 21031844

24 divisors

τ Total Divisors 24
Total number of the positive divisors of n
σ Sum of Divisors 1
Sum of all the positive divisors of n
s Aliquot Sum -21031843
Sum of the proper positive divisors of n
A Arithmetic Mean 0.041666666666667
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 24
Returns the total number of divisors (τ(n)) divided by the sum of the reciprocal of each divisors

The number 21031844 can be divided by 24 positive divisors. The sum of these divisors (counting 21031844) is 1, the average is 0.041666666666667.

Base conversion 21031844

Base System Value
2 Binary 1010000001110101110100100
3 Ternary 1110120112021012
4 Quaternary 1100032232210
5 Quinary 20341004334
6 Senary 2030441352
8 Octal 120165644
10 Decimal 21031844
12 Duodecimal 7063258
16 Hexadecimal 140eba4
20 Vigesimal 6b8jc4
36 Base36 cis9w

Cryptographic Hash Functions

md5 49df50dd6ad58727fc67bb793dee9946
sha1 f1f19f7c5217c549533a86c8cb6fb19551316468
sha256 03358f77b24bebbf57abf1845a3048587e41d38dc833e27445e98f32d3e8d362
sha512 44fba1e9b15db0f7e65da8c7b3eea010ca8fb3576f0a5cec5b7b321c446039c36e1eec73d343b31ddd2047fc122c3143bde171bde0581671b4f3272e0231db57
ripemd-160 f133fe22d8fb623492f70f9b04c499e6e7ed4359

21031844 as geometric shapes

Circle

Radius = n
Diameter 42063688
Circumference 132146973.20369
Area 1.3896472627461E+15

Sphere

Radius = n
Volume 3.8969125926805E+22
Surface area 5.5585890509845E+15
Circumference 132146973.20369

Square

Length = n
Perimeter 84127376
Area 442338462040336
Diagonal 29743519.026515

Cube

Length = n
Surface area 2654030772242016
Volume 9.3031935288323E+21
Space diagonal 36428222.384863

Equilateral Triangle

Length = n
Perimeter 63095532
Area 1.9153817259893E+14
Altitude 18214111.192431

Triangular Pyramid

Length = n
Surface area 1.9153817259893E+14
Volume 1.0963918718214E+21
Height 9914506.3421717