28138910 (number)

28138910 is an even 8-digits composite number following 28138909 and preceding 28138911. In scientific notation, it is written as 2.8138910 × 10^7. The sum of its digits is 32. It has a total of 3 prime factors and 8 positive divisors. There are 10593408 positive integers (up to 28138910) that are relatively prime to 28138910.

Interesting facts

Basic properties

Name

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

Notation

Scientific notation 2.8138910 × 10^7
Engineering notation 2.8138910 × 10^6

Prime Factorization of 28138910

Prime Factorization 2 × 85 × 165523

Composite number
ω Distinct Factors 3
Total number of distinct prime factors
Ω Total Factors 3
Total number of prime factors
rad Radical 28138910
Product of the distinct prime numbers

The prime factorization of 28138910 is 2 × 85 × 165523. Since it has a total of 3 prime factors.

Most popular turbo-numbers

Basic calculations (n = 28138910)

Multiplication

n×y
n×2 56277820
n×3 84416730
n×4 112555640
n×5 140694550

Division

n÷y
n÷2 14069455
n÷3 9379636.6666667
n÷3 7034727.5
n÷5 5627782

Exponentiation

ny
n2 791798255988100
n3 2.2280339863406E+22
n4 6.269444781858E+29
n5 1.7641534246667E+37

Nth Root

y√n
2√n 5304.6121441629
3√n 304.16022688144
4√n 72.83276834065
5√n 30.893097429794

Divisors of 28138910

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 -28138909
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 28138910 can be divided by 8 positive divisors. The sum of these divisors (counting 28138910) is 1, the average is 0.125.

Base conversion 28138910

Base System Value
2 Binary 1101011010101110110011110
3 Ternary 1221221121022212
4 Quaternary 1223111312132
5 Quinary 24200421120
6 Senary 2443040422
8 Octal 153256636
10 Decimal 28138910
12 Duodecimal 9510112
16 Hexadecimal 1ad5d9e
20 Vigesimal 8fh75a
36 Base36 gr44e

Cryptographic Hash Functions

md5 021d9bcee2a358f43cbae39c76306948
sha1 3c394b2f36cd5bdedb7b4f3d761ae2750a17cf4c
sha256 d19d6203acb1f98164e77f2a8e03b675ef325dcf7f0d59f4100111099263bf85
sha512 2d3278994db91210e5c52a7334d58db3a0abc1a974e80f3e01c06d2efad9604746df33e684f580f3874e621ff7abeeae32fa642041baabe1acf6c6d81088418d
ripemd-160 919795fe95d60fe090f55a6b4b3394bdc78bd612

28138910 as geometric shapes

Circle

Radius = n
Diameter 56277820
Circumference 176801985.87205
Area 2.4875075841374E+15

Sphere

Radius = n
Volume 9.3327669379147E+22
Surface area 9.9500303365497E+15
Circumference 176801985.87205

Square

Length = n
Perimeter 112555640
Area 791798255988100
Diagonal 39794428.152396

Cube

Length = n
Surface area 4750789535928600
Volume 2.2280339863406E+22
Space diagonal 48738021.789608

Equilateral Triangle

Length = n
Perimeter 84416730
Area 3.4285870217895E+14
Altitude 24369010.894804

Triangular Pyramid

Length = n
Surface area 3.4285870217895E+14
Volume 2.6257632340926E+21
Height 13264809.384132