28697913 (number)

28697913 is an odd 8-digits composite number following 28697912 and preceding 28697914. In scientific notation, it is written as 2.8697913 × 10^7. The sum of its digits is 45. It has a total of 2 prime factors and 4 positive divisors. There are 19131936 positive integers (up to 28697913) that are relatively prime to 28697913.

Interesting facts

Basic properties

Name

Name twenty-eight million six hundred ninety-seven thousand nine hundred thirteen

Notation

Scientific notation 2.8697913 × 10^7
Engineering notation 2.8697913 × 10^6

Prime Factorization of 28697913

Prime Factorization 9 × 3188657

Composite number
ω Distinct Factors 2
Total number of distinct prime factors
Ω Total Factors 2
Total number of prime factors
rad Radical 28697913
Product of the distinct prime numbers

The prime factorization of 28697913 is 9 × 3188657. Since it has a total of 2 prime factors.

Most popular turbo-numbers

Basic calculations (n = 28697913)

Multiplication

n×y
n×2 57395826
n×3 86093739
n×4 114791652
n×5 143489565

Division

n÷y
n÷2 14348956.5
n÷3 9565971
n÷3 7174478.25
n÷5 5739582.6

Exponentiation

ny
n2 823570210555569
n3 2.3634746251915E+22
n4 6.7826789171454E+29
n5 1.9464872947117E+37

Nth Root

y√n
2√n 5357.0433076465
3√n 306.16116718246
4√n 73.191825415455
5√n 31.014876983529

Divisors of 28697913

4 divisors

τ Total Divisors 4
Total number of the positive divisors of n
σ Sum of Divisors 1
Sum of all the positive divisors of n
s Aliquot Sum -28697912
Sum of the proper positive divisors of n
A Arithmetic Mean 0.25
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 4
Returns the total number of divisors (τ(n)) divided by the sum of the reciprocal of each divisors

The number 28697913 can be divided by 4 positive divisors. The sum of these divisors (counting 28697913) is 1, the average is 0.25.

Base conversion 28697913

Base System Value
2 Binary 1101101011110010100111001
3 Ternary 2000000000010200
4 Quaternary 1231132110321
5 Quinary 24321313123
6 Senary 2503032413
8 Octal 155362471
10 Decimal 28697913
12 Duodecimal 973b709
16 Hexadecimal 1b5e539
20 Vigesimal 8j74fd
36 Base36 h33g9

Cryptographic Hash Functions

md5 2587584397d9f482c4243bd13323247a
sha1 96dcccc568dea8d376e5f7110a6a5a0b27456a74
sha256 a26c07b1f9a1e22d98c806e85b639c63f4adabea79ba6f89e7fff0d2e0ac8b36
sha512 c5bbd2ead5a4f661a87829842e321710076c32ce670e5cea31c2a66ae7a2fc0ac8d7d722cd11879a9368afda0b30639b564b8843295d655356d201dcb42adbe7
ripemd-160 105b6adf5b052e8bbf2f7da8354c716be2dc130f

28697913 as geometric shapes

Circle

Radius = n
Diameter 57395826
Circumference 180314305.30832
Area 2.5873221231968E+15

Sphere

Radius = n
Volume 9.9000993592635E+22
Surface area 1.0349288492787E+16
Circumference 180314305.30832

Square

Length = n
Perimeter 114791652
Area 823570210555569
Diagonal 40584977.776403

Cube

Length = n
Surface area 4941421263333414
Volume 2.3634746251915E+22
Space diagonal 49706243.387191

Equilateral Triangle

Length = n
Perimeter 86093739
Area 3.5661636207061E+14
Altitude 24853121.693596

Triangular Pyramid

Length = n
Surface area 3.5661636207061E+14
Volume 2.7853815577255E+21
Height 13528325.925468