28690745 (number)

28690745 is an odd 8-digits composite number following 28690744 and preceding 28690746. In scientific notation, it is written as 2.8690745 × 10^7. The sum of its digits is 41. It has a total of 3 prime factors and 8 positive divisors. There are 22629040 positive integers (up to 28690745) that are relatively prime to 28690745.

Interesting facts

Basic properties

Name

Name twenty-eight million six hundred ninety thousand seven hundred forty-five

Notation

Scientific notation 2.8690745 × 10^7
Engineering notation 2.8690745 × 10^6

Prime Factorization of 28690745

Prime Factorization 5 × 71 × 80819

Composite number
ω Distinct Factors 3
Total number of distinct prime factors
Ω Total Factors 3
Total number of prime factors
rad Radical 28690745
Product of the distinct prime numbers

The prime factorization of 28690745 is 5 × 71 × 80819. Since it has a total of 3 prime factors.

Most popular turbo-numbers

Basic calculations (n = 28690745)

Multiplication

n×y
n×2 57381490
n×3 86072235
n×4 114762980
n×5 143453725

Division

n÷y
n÷2 14345372.5
n÷3 9563581.6666667
n÷3 7172686.25
n÷5 5738149

Exponentiation

ny
n2 823158848655025
n3 2.3617040621255E+22
n4 6.7759049011907E+29
n5 1.9440575966431E+37

Nth Root

y√n
2√n 5356.3742400994
3√n 306.13567466684
4√n 73.18725462879
5√n 31.013327485118

Divisors of 28690745

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 -28690744
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 28690745 can be divided by 8 positive divisors. The sum of these divisors (counting 28690745) is 1, the average is 0.125.

Base conversion 28690745

Base System Value
2 Binary 1101101011100100100111001
3 Ternary 1222222122022012
4 Quaternary 1231130210321
5 Quinary 24321100440
6 Senary 2502535305
8 Octal 155344471
10 Decimal 28690745
12 Duodecimal 9737535
16 Hexadecimal 1b5c939
20 Vigesimal 8j66h5
36 Base36 h2xx5

Cryptographic Hash Functions

md5 7603bf428ecb06479e1170d8089635bf
sha1 5f6942e286ab9c8f8ee2bed068d8a19c658e2118
sha256 0372bcc33a5d84440d42e64a8c60866bcbf81305b969436545578fd0405ed484
sha512 41a921f93941fd660407670882afa78ca4984553a5045f594dfa02452636becbbfa83cd103b9bb53698a84c72cc482db19053eea47cd933184a40984a83c253f
ripemd-160 bd5f2f8f7323e09bab540326477097e58fec31d2

28690745 as geometric shapes

Circle

Radius = n
Diameter 57381490
Circumference 180269267.43604
Area 2.5860297916721E+15

Sphere

Radius = n
Volume 9.8926828420355E+22
Surface area 1.0344119166688E+16
Circumference 180269267.43604

Square

Length = n
Perimeter 114762980
Area 823158848655025
Diagonal 40574840.693588

Cube

Length = n
Surface area 4938953091930150
Volume 2.3617040621255E+22
Space diagonal 49693828.047003

Equilateral Triangle

Length = n
Perimeter 86072235
Area 3.564382371426E+14
Altitude 24846914.023501

Triangular Pyramid

Length = n
Surface area 3.564382371426E+14
Volume 2.7832949291413E+21
Height 13524946.897863