21131838 (number)

21131838 is an even 8-digits composite number following 21131837 and preceding 21131839. In scientific notation, it is written as 2.1131838 × 10^7. The sum of its digits is 27. It has a total of 5 prime factors and 32 positive divisors. There are 5225472 positive integers (up to 21131838) that are relatively prime to 21131838.

Interesting facts

Basic properties

Name

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

Notation

Scientific notation 2.1131838 × 10^7
Engineering notation 2.1131838 × 10^6

Prime Factorization of 21131838

Prime Factorization 2 × 63 × 133 × 13 × 97

Composite number
ω Distinct Factors 5
Total number of distinct prime factors
Ω Total Factors 5
Total number of prime factors
rad Radical 21131838
Product of the distinct prime numbers

The prime factorization of 21131838 is 2 × 63 × 133 × 13 × 97. Since it has a total of 5 prime factors.

Most popular turbo-numbers

10, 6, 15, 95, 719, 606, 9235, 9657, 65537, 38564, 495634, 847440, 8854475, 5716781, 35323805, 77458224, 322695808, 495585000, 2487278572, 3799269776

Basic calculations (n = 21131838)

Multiplication

n×y
n×2 42263676
n×3 63395514
n×4 84527352
n×5 105659190

Division

n÷y
n÷2 10565919
n÷3 7043946
n÷3 5282959.5
n÷5 4226367.6

Exponentiation

ny
n2 446554577258244
n3 9.4365189847797E+21
n4 1.9941099047029E+29
n5 4.2139207460377E+36

Nth Root

y√n
2√n 4596.9378938593
3√n 276.46856449756
4√n 67.800721927273
5√n 29.17342739479

Divisors of 21131838

1, 2, 13, 26, 63, 97, 126, 133, 194, 266, 819, 1261, 1638, 1729, 2522, 3458, 6111, 8379, 12222, 12901, 16758, 25802, 79443, 108927, 158886, 167713, 217854, 335426, 812763, 1625526, 10565919, 21131838

32 divisors

τ Total Divisors 32
Total number of the positive divisors of n
σ Sum of Divisors 1
Sum of all the positive divisors of n
s Aliquot Sum -21131837
Sum of the proper positive divisors of n
A Arithmetic Mean 0.03125
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 32
Returns the total number of divisors (τ(n)) divided by the sum of the reciprocal of each divisors

The number 21131838 can be divided by 32 positive divisors. The sum of these divisors (counting 21131838) is 1, the average is 0.03125.

Base conversion 21131838

Base System Value
2 Binary 1010000100111001000111110
3 Ternary 1110202121102200
4 Quaternary 1100213020332
5 Quinary 20402204323
6 Senary 2032532330
8 Octal 120471076
10 Decimal 21131838
12 Duodecimal 70b10a6
16 Hexadecimal 142723e
20 Vigesimal 6c19bi
36 Base36 ckxfi

Cryptographic Hash Functions

md5 b05d6def11174aaf7b94d7850605e3ea
sha1 870824ecc09ab5ecd18f07c8756645a9f1b3e4ed
sha256 8e09f3782af2c62f9b7d003b7c87252ba2e323433e70bc10f9a41bbe088bd790
sha512 33121d94a5ba81659a306a4ba1d78afd5b19b10ac024364b25ecc83ee583eb10368ac9b231ebef3a664f0c4a581472944cd89d2b17fadaad81d74048e622a5b4
ripemd-160 94de3762f7894ffa1bbaf149f7c7c65fdbe74ae6

21131838 as geometric shapes

Circle

Radius = n
Diameter 42263676
Circumference 132775254.0353
Area 1.4028925793414E+15

Sphere

Radius = n
Volume 3.9527598290726E+22
Surface area 5.6115703173656E+15
Circumference 132775254.0353

Square

Length = n
Perimeter 84527352
Area 446554577258244
Diagonal 29884931.897471

Cube

Length = n
Surface area 2679327463549464
Volume 9.4365189847797E+21
Space diagonal 36601417.073315

Equilateral Triangle

Length = n
Perimeter 63395514
Area 1.9336380404093E+14
Altitude 18300708.536657

Triangular Pyramid

Length = n
Surface area 1.9336380404093E+14
Volume 1.1121044274889E+21
Height 9961643.9658237