28131838 (number)

28131838 is an even 8-digits composite number following 28131837 and preceding 28131839. In scientific notation, it is written as 2.8131838 × 10^7. The sum of its digits is 34. It has a total of 4 prime factors and 16 positive divisors. There are 11319552 positive integers (up to 28131838) that are relatively prime to 28131838.

Interesting facts

Basic properties

Name

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

Notation

Scientific notation 2.8131838 × 10^7
Engineering notation 2.8131838 × 10^6

Prime Factorization of 28131838

Prime Factorization 2 × 2023 × 17 × 409

Composite number
ω Distinct Factors 4
Total number of distinct prime factors
Ω Total Factors 4
Total number of prime factors
rad Radical 28131838
Product of the distinct prime numbers

The prime factorization of 28131838 is 2 × 2023 × 17 × 409. Since it has a total of 4 prime factors.

Most popular turbo-numbers

1, 3, 18, 2, 55, 164, 2606, 7754, 67225, 65657, 231193, 180684, 5509647, 231569, 88859464, 34017215, 846995676, 162699073, 3830117358, 9571217219

Basic calculations (n = 28131838)

Multiplication

n×y
n×2 56263676
n×3 84395514
n×4 112527352
n×5 140659190

Division

n÷y
n÷2 14065919
n÷3 9377279.3333333
n÷3 7032959.5
n÷5 5626367.6

Exponentiation

ny
n2 791400309258244
n3 2.2263545293203E+22
n4 6.2631444949404E+29
n5 1.7619376630226E+37

Nth Root

y√n
2√n 5303.9455125406
3√n 304.13474376511
4√n 72.8281917429
5√n 30.891544434659

Divisors of 28131838

1, 2, 17, 34, 409, 818, 2023, 4046, 6953, 13906, 34391, 68782, 827407, 1654814, 14065919, 28131838

16 divisors

τ Total Divisors 16
Total number of the positive divisors of n
σ Sum of Divisors 1
Sum of all the positive divisors of n
s Aliquot Sum -28131837
Sum of the proper positive divisors of n
A Arithmetic Mean 0.0625
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 16
Returns the total number of divisors (τ(n)) divided by the sum of the reciprocal of each divisors

The number 28131838 can be divided by 16 positive divisors. The sum of these divisors (counting 28131838) is 1, the average is 0.0625.

Base conversion 28131838

Base System Value
2 Binary 1101011010100000111111110
3 Ternary 1221221020121221
4 Quaternary 1223110013332
5 Quinary 24200204323
6 Senary 2442543554
8 Octal 153240776
10 Decimal 28131838
12 Duodecimal 9507bba
16 Hexadecimal 1ad41fe
20 Vigesimal 8fg9bi
36 Base36 gqyny

Cryptographic Hash Functions

md5 23e4a04f75334294e7ba3b3d6fa145db
sha1 c610091632c7aab82100eb13137c6f957eb98796
sha256 5204f0cab99614753c5ea1e16ec03403b1387cc59bd0e802d916d91a2ada38fe
sha512 939c743d943302285e7655431748f14b571eae3177affea5b7f8e5c71e681f19c6648295e64d6f067aed7535092f1b2e1dc821d043f3447c7db3664bc1b30868
ripemd-160 f32674d1dbe1219ce9cebfee44d212e61f683a14

28131838 as geometric shapes

Circle

Radius = n
Diameter 56263676
Circumference 176757551.18556
Area 2.4862573976144E+15

Sphere

Radius = n
Volume 9.3257320447986E+22
Surface area 9.9450295904576E+15
Circumference 176757551.18556

Square

Length = n
Perimeter 112527352
Area 791400309258244
Diagonal 39784426.834083

Cube

Length = n
Surface area 4748401855549464
Volume 2.2263545293203E+22
Space diagonal 48725772.726297

Equilateral Triangle

Length = n
Perimeter 84395514
Area 3.4268638619025E+14
Altitude 24362886.363148

Triangular Pyramid

Length = n
Surface area 3.4268638619025E+14
Volume 2.6237839750129E+21
Height 13261475.611361