28388636 (number)

28388636 is an even 8-digits composite number following 28388635 and preceding 28388637. In scientific notation, it is written as 2.8388636 × 10^7. The sum of its digits is 44. It has a total of 3 prime factors and 6 positive divisors. There are 14194316 positive integers (up to 28388636) that are relatively prime to 28388636.

Interesting facts

Basic properties

Name

Name twenty-eight million three hundred eighty-eight thousand six hundred thirty-six

Notation

Scientific notation 2.8388636 × 10^7
Engineering notation 2.8388636 × 10^6

Prime Factorization of 28388636

Prime Factorization 2 × 2 × 7097159

Composite number
ω Distinct Factors 2
Total number of distinct prime factors
Ω Total Factors 3
Total number of prime factors
rad Radical 14194318
Product of the distinct prime numbers

The prime factorization of 28388636 is 2 × 2 × 7097159. Since it has a total of 3 prime factors.

Most popular turbo-numbers

5, 2, 97, 23, 650, 38, 1282, 6392, 90811, 9191, 130432, 244341, 5054229, 589381, 85243016, 86294410, 814305357, 846643968, 2337905887, 7192387512

Basic calculations (n = 28388636)

Multiplication

n×y
n×2 56777272
n×3 85165908
n×4 113554544
n×5 141943180

Division

n÷y
n÷2 14194318
n÷3 9462878.6666667
n÷3 7097159
n÷5 5677727.2

Exponentiation

ny
n2 805914653940496
n3 2.2878817757783E+22
n4 6.4949842943603E+29
n5 1.8438374495831E+37

Nth Root

y√n
2√n 5328.0987228091
3√n 305.05736088583
4√n 72.993826607523
5√n 30.947737554476

Divisors of 28388636

1, 2, 4, 7097159, 14194318, 28388636

6 divisors

τ Total Divisors 6
Total number of the positive divisors of n
σ Sum of Divisors 1
Sum of all the positive divisors of n
s Aliquot Sum -28388635
Sum of the proper positive divisors of n
A Arithmetic Mean 0.16666666666667
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 6
Returns the total number of divisors (τ(n)) divided by the sum of the reciprocal of each divisors

The number 28388636 can be divided by 6 positive divisors. The sum of these divisors (counting 28388636) is 1, the average is 0.16666666666667.

Base conversion 28388636

Base System Value
2 Binary 1101100010010110100011100
3 Ternary 1222102021212222
4 Quaternary 1230102310130
5 Quinary 24231414021
6 Senary 2452244512
8 Octal 154226434
10 Decimal 28388636
12 Duodecimal 9610738
16 Hexadecimal 1b12d1c
20 Vigesimal 8h8bbg
36 Base36 gwgt8

Cryptographic Hash Functions

md5 ca289e951516d5ec35b0de4bf5f39fe7
sha1 5cc7f09acdac3de0aa7a66b4de6271dd7bb9e3b6
sha256 58d44cde2ca10ea1d971d2357156c2aeb6da77b93957c530e5db3b94bb8ba41e
sha512 9c099f03bc377c32f461a720fcd2d7592787b62bb75ff5a280c512ccaf98b4410c6433d870a212013d9c7907f429005b582cd4353900338c80f280be821cab79
ripemd-160 5ee9ba4da670d1ec54b8180f3b00a99747b1c3f9

28388636 as geometric shapes

Circle

Radius = n
Diameter 56777272
Circumference 178371060.60607
Area 2.5318555562398E+15

Sphere

Radius = n
Volume 9.5834567720893E+22
Surface area 1.0127422224959E+16
Circumference 178371060.60607

Square

Length = n
Perimeter 113554544
Area 805914653940496
Diagonal 40147594.048473

Cube

Length = n
Surface area 4835487923642976
Volume 2.2878817757783E+22
Space diagonal 49170559.909579

Equilateral Triangle

Length = n
Perimeter 85165908
Area 3.4897128179731E+14
Altitude 24585279.954789

Triangular Pyramid

Length = n
Surface area 3.4897128179731E+14
Volume 2.6962945303432E+21
Height 13382531.349491