21131893 (number)

21131893 is an odd 8-digits composite number following 21131892 and preceding 21131894. In scientific notation, it is written as 2.1131893 × 10^7. The sum of its digits is 28. It has a total of 3 prime factors and 8 positive divisors. There are 20795808 positive integers (up to 21131893) that are relatively prime to 21131893.

Interesting facts

Basic properties

Name

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

Notation

Scientific notation 2.1131893 × 10^7
Engineering notation 2.1131893 × 10^6

Prime Factorization of 21131893

Prime Factorization 283 × 89 × 839

Composite number
ω Distinct Factors 3
Total number of distinct prime factors
Ω Total Factors 3
Total number of prime factors
rad Radical 21131893
Product of the distinct prime numbers

The prime factorization of 21131893 is 283 × 89 × 839. Since it has a total of 3 prime factors.

Most popular turbo-numbers

Basic calculations (n = 21131893)

Multiplication

n×y
n×2 42263786
n×3 63395679
n×4 84527572
n×5 105659465

Division

n÷y
n÷2 10565946.5
n÷3 7043964.3333333
n÷3 5282973.25
n÷5 4226378.6

Exponentiation

ny
n2 446556901763449
n3 9.4365926664767E+21
n4 1.9941306651257E+29
n5 4.2139755843455E+36

Nth Root

y√n
2√n 4596.9438760986
3√n 276.46880435299
4√n 67.800766043597
5√n 29.173442580756

Divisors of 21131893

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 -21131892
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 21131893 can be divided by 8 positive divisors. The sum of these divisors (counting 21131893) is 1, the average is 0.125.

Base conversion 21131893

Base System Value
2 Binary 1010000100111001001110101
3 Ternary 1110202121111201
4 Quaternary 1100213021311
5 Quinary 20402210033
6 Senary 2032532501
8 Octal 120471165
10 Decimal 21131893
12 Duodecimal 70b1131
16 Hexadecimal 1427275
20 Vigesimal 6c19ed
36 Base36 ckxh1

Cryptographic Hash Functions

md5 1292c1241d3282164a32703cde2a7a96
sha1 34eebd169f2444061fa47f1d8960bf7c0f84c676
sha256 ce3ec0f03a0a8d1fee15870bdb376beb8f08033c647abdb27ec44751c8aebc3e
sha512 84f4be6c47a310f9ad2fd78e624e792d2e492a8c3ec23cba99978db881e3f75db49b72b7c4144f5bbfebcbec24e076298edb6f3f32dc6c5ff14f8a6687a81878
ripemd-160 d484d8f0bd82d748e860773c2d6987614f71feb8

21131893 as geometric shapes

Circle

Radius = n
Diameter 42263786
Circumference 132775599.61049
Area 1.4028998819899E+15

Sphere

Radius = n
Volume 3.9527906927897E+22
Surface area 5.6115995279595E+15
Circumference 132775599.61049

Square

Length = n
Perimeter 84527572
Area 446556901763449
Diagonal 29885009.679217

Cube

Length = n
Surface area 2679341410580694
Volume 9.4365926664767E+21
Space diagonal 36601512.336109

Equilateral Triangle

Length = n
Perimeter 63395679
Area 1.9336481058121E+14
Altitude 18300756.168055

Triangular Pyramid

Length = n
Surface area 1.9336481058121E+14
Volume 1.1121131109602E+21
Height 9961669.8930724