28395945 (number)

28395945 is an odd 8-digits composite number following 28395944 and preceding 28395946. In scientific notation, it is written as 2.8395945 × 10^7. The sum of its digits is 45. It has a total of 3 prime factors and 8 positive divisors. There are 15104256 positive integers (up to 28395945) that are relatively prime to 28395945.

Interesting facts

Basic properties

Name

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

Notation

Scientific notation 2.8395945 × 10^7
Engineering notation 2.8395945 × 10^6

Prime Factorization of 28395945

Prime Factorization 45 × 569 × 1109

Composite number
ω Distinct Factors 3
Total number of distinct prime factors
Ω Total Factors 3
Total number of prime factors
rad Radical 28395945
Product of the distinct prime numbers

The prime factorization of 28395945 is 45 × 569 × 1109. Since it has a total of 3 prime factors.

Most popular turbo-numbers

6, 5, 57, 87, 959, 906, 3808, 6739, 72497, 10289, 267005, 281048, 4150383, 8792047, 30305942, 57741597, 27385608, 192134949, 4404977751, 967291482

Basic calculations (n = 28395945)

Multiplication

n×y
n×2 56791890
n×3 85187835
n×4 113583780
n×5 141979725

Division

n÷y
n÷2 14197972.5
n÷3 9465315
n÷3 7098986.25
n÷5 5679189

Exponentiation

ny
n2 806329692443025
n3 2.2896493598479E+22
n4 6.5016757291526E+29
n5 1.8462122641285E+37

Nth Root

y√n
2√n 5328.7845706127
3√n 305.08353888333
4√n 72.998524441339
5√n 30.949330964758

Divisors of 28395945

1, 45, 569, 1109, 25605, 49905, 631021, 28395945

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 -28395944
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 28395945 can be divided by 8 positive divisors. The sum of these divisors (counting 28395945) is 1, the average is 0.125.

Base conversion 28395945

Base System Value
2 Binary 1101100010100100110101001
3 Ternary 1222102122220200
4 Quaternary 1230110212221
5 Quinary 24232132240
6 Senary 2452342413
8 Octal 154244651
10 Decimal 28395945
12 Duodecimal 9614a09
16 Hexadecimal 1b149a9
20 Vigesimal 8h99h5
36 Base36 gwmg9

Cryptographic Hash Functions

md5 a75ce60dead23397f28c8f0859624a2a
sha1 87dfbb6594653367c9cc4cde161a8228a265fb35
sha256 32935f318005f9aed7f89ad1c3c1ae744a177ce4b0d5caae34a3326d7ee59b7c
sha512 7fb4c378f4d216df26794927f994e0c79cae1666245b610861f3ff4877a0217d3157a174388833f521669ed2aff6d38d59d737637066e19760e97018dcf13a4e
ripemd-160 b2ce9b116deddda90c689a1404cf92debb7039d0

28395945 as geometric shapes

Circle

Radius = n
Diameter 56791890
Circumference 178416984.40748
Area 2.5331594381503E+15

Sphere

Radius = n
Volume 9.5908608109263E+22
Surface area 1.0132637752601E+16
Circumference 178416984.40748

Square

Length = n
Perimeter 113583780
Area 806329692443025
Diagonal 40157930.5354

Cube

Length = n
Surface area 4837978154658150
Volume 2.2896493598479E+22
Space diagonal 49183219.468931

Equilateral Triangle

Length = n
Perimeter 85187835
Area 3.4915099874068E+14
Altitude 24591609.734466

Triangular Pyramid

Length = n
Surface area 3.4915099874068E+14
Volume 2.6983776481465E+21
Height 13385976.845133