28390045 (number)

28390045 is an odd 8-digits composite number following 28390044 and preceding 28390046. In scientific notation, it is written as 2.8390045 × 10^7. The sum of its digits is 31. It has a total of 3 prime factors and 8 positive divisors. There are 22692864 positive integers (up to 28390045) that are relatively prime to 28390045.

Interesting facts

Basic properties

Name

Name twenty-eight million three hundred ninety thousand forty-five

Notation

Scientific notation 2.8390045 × 10^7
Engineering notation 2.8390045 × 10^6

Prime Factorization of 28390045

Prime Factorization 5 × 2657 × 2137

Composite number
ω Distinct Factors 3
Total number of distinct prime factors
Ω Total Factors 3
Total number of prime factors
rad Radical 28390045
Product of the distinct prime numbers

The prime factorization of 28390045 is 5 × 2657 × 2137. Since it has a total of 3 prime factors.

Most popular turbo-numbers

Basic calculations (n = 28390045)

Multiplication

n×y
n×2 56780090
n×3 85170135
n×4 113560180
n×5 141950225

Division

n÷y
n÷2 14195022.5
n÷3 9463348.3333333
n÷3 7097511.25
n÷5 5678009

Exponentiation

ny
n2 805994655102025
n3 2.2882224528106E+22
n4 6.4962738405303E+29
n5 1.8442950666498E+37

Nth Root

y√n
2√n 5328.2309446945
3√n 305.06240772582
4√n 72.994732307849
5√n 30.948044751317

Divisors of 28390045

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 -28390044
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 28390045 can be divided by 8 positive divisors. The sum of these divisors (counting 28390045) is 1, the average is 0.125.

Base conversion 28390045

Base System Value
2 Binary 1101100010011001010011101
3 Ternary 1222102100211011
4 Quaternary 1230103022131
5 Quinary 24231440140
6 Senary 2452255221
8 Octal 154231235
10 Decimal 28390045
12 Duodecimal 9611511
16 Hexadecimal 1b1329d
20 Vigesimal 8h8f25
36 Base36 gwhwd

Cryptographic Hash Functions

md5 7894db5f967f89482060798f5cc61107
sha1 5e132722c78aa129ed60ae812f30932235d9cd3d
sha256 1ef54d9f4f0d7b06bc7ecd908e62293114e892934981db5d3135b53e8f008967
sha512 67777e67a24b6c6943c32dc9559db7699a1cdce7839c134571176e72fca055c954ce381623fd23720d35bbf805e086c48d0f44de0d0e04a8d88bbd44606b9d1e
ripemd-160 1c21494e27b0d83e704d3ab270dffb5bd13f6de5

28390045 as geometric shapes

Circle

Radius = n
Diameter 56780090
Circumference 178379913.61417
Area 2.5321068873012E+15

Sphere

Radius = n
Volume 9.5848837967053E+22
Surface area 1.0128427549205E+16
Circumference 178379913.61417

Square

Length = n
Perimeter 113560180
Area 805994655102025
Diagonal 40149586.675382

Cube

Length = n
Surface area 4835967930612150
Volume 2.2882224528106E+22
Space diagonal 49173000.369167

Equilateral Triangle

Length = n
Perimeter 85170135
Area 3.4900592331642E+14
Altitude 24586500.184583

Triangular Pyramid

Length = n
Surface area 3.4900592331642E+14
Volume 2.6966960220761E+21
Height 13383195.558461