21031638 (number)

21031638 is an even 8-digits composite number following 21031637 and preceding 21031639. In scientific notation, it is written as 2.1031638 × 10^7. The sum of its digits is 24. It has a total of 3 prime factors and 8 positive divisors. There are 7010544 positive integers (up to 21031638) that are relatively prime to 21031638.

Interesting facts

Basic properties

Name

Name twenty-one million thirty-one thousand six hundred thirty-eight

Notation

Scientific notation 2.1031638 × 10^7
Engineering notation 2.1031638 × 10^6

Prime Factorization of 21031638

Prime Factorization 2 × 3 × 3505273

Composite number
ω Distinct Factors 3
Total number of distinct prime factors
Ω Total Factors 3
Total number of prime factors
rad Radical 21031638
Product of the distinct prime numbers

The prime factorization of 21031638 is 2 × 3 × 3505273. Since it has a total of 3 prime factors.

Most popular turbo-numbers

Basic calculations (n = 21031638)

Multiplication

n×y
n×2 42063276
n×3 63094914
n×4 84126552
n×5 105158190

Division

n÷y
n÷2 10515819
n÷3 7010546
n÷3 5257909.5
n÷5 4206327.6

Exponentiation

ny
n2 442329796963044
n3 9.3029201663402E+21
n4 1.9565564928137E+29
n5 4.1149587883407E+36

Nth Root

y√n
2√n 4586.026384573
3√n 276.03089866212
4√n 67.720206619391
5√n 29.14570867447

Divisors of 21031638

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 -21031637
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 21031638 can be divided by 8 positive divisors. The sum of these divisors (counting 21031638) is 1, the average is 0.125.

Base conversion 21031638

Base System Value
2 Binary 1010000001110101011010110
3 Ternary 1110120111222120
4 Quaternary 1100032223112
5 Quinary 20341003023
6 Senary 2030440410
8 Octal 120165326
10 Decimal 21031638
12 Duodecimal 7063106
16 Hexadecimal 140ead6
20 Vigesimal 6b8j1i
36 Base36 cis46

Cryptographic Hash Functions

md5 a3aac1a57c2201ae2ac1417c8131f008
sha1 08f29a12728c2b8e4d08229b9cce36eafd77ae8f
sha256 a46a5e1c680cf434001a31b639f9c4f721e366d3c2db8a268012227a71b2d6cb
sha512 fe383e64782178d4895456759d7873ea5c4db9d3bbeaf5191e8f8d72b24a4e4f15cc0ea07fe532626867516251a24834a16bd415480c2940bf45fde2c360ebb1
ripemd-160 a116f5b0ca25a025c8f7a9443afada3eeb29ab36

21031638 as geometric shapes

Circle

Radius = n
Diameter 42063276
Circumference 132145678.86752
Area 1.389620040603E+15

Sphere

Radius = n
Volume 3.8967980868676E+22
Surface area 5.5584801624119E+15
Circumference 132145678.86752

Square

Length = n
Perimeter 84126552
Area 442329796963044
Diagonal 29743227.698521

Cube

Length = n
Surface area 2653978781778264
Volume 9.3029201663402E+21
Space diagonal 36427865.582396

Equilateral Triangle

Length = n
Perimeter 63094914
Area 1.915344205104E+14
Altitude 18213932.791198

Triangular Pyramid

Length = n
Surface area 1.915344205104E+14
Volume 1.0963596557427E+21
Height 9914409.2328405