28440428 (number)

28440428 is an even 8-digits composite number following 28440427 and preceding 28440429. In scientific notation, it is written as 2.8440428 × 10^7. The sum of its digits is 32. It has a total of 4 prime factors and 12 positive divisors. There are 14007840 positive integers (up to 28440428) that are relatively prime to 28440428.

Interesting facts

Basic properties

Name

Name twenty-eight million four hundred forty thousand four hundred twenty-eight

Notation

Scientific notation 2.8440428 × 10^7
Engineering notation 2.8440428 × 10^6

Prime Factorization of 28440428

Prime Factorization 2 × 2 × 67 × 106121

Composite number
ω Distinct Factors 3
Total number of distinct prime factors
Ω Total Factors 4
Total number of prime factors
rad Radical 14220214
Product of the distinct prime numbers

The prime factorization of 28440428 is 2 × 2 × 67 × 106121. Since it has a total of 4 prime factors.

Most popular turbo-numbers

8, 3, 62, 19, 944, 986, 4538, 234, 30880, 61814, 882203, 97960, 821922, 2072024, 64097994, 48181751, 189378855, 360235547, 513752872, 182137488

Basic calculations (n = 28440428)

Multiplication

n×y
n×2 56880856
n×3 85321284
n×4 113761712
n×5 142202140

Division

n÷y
n÷2 14220214
n÷3 9480142.6666667
n÷3 7110107
n÷5 5688085.6

Exponentiation

ny
n2 808857944823184
n3 2.3004266141972E+22
n4 6.5425117490359E+29
n5 1.8607183433761E+37

Nth Root

y√n
2√n 5332.9567783735
3√n 305.24276291762
4√n 73.027096192944
5√n 30.959021483827

Divisors of 28440428

1, 2, 4, 67, 134, 268, 106121, 212242, 424484, 7110107, 14220214, 28440428

12 divisors

τ Total Divisors 12
Total number of the positive divisors of n
σ Sum of Divisors 1
Sum of all the positive divisors of n
s Aliquot Sum -28440427
Sum of the proper positive divisors of n
A Arithmetic Mean 0.083333333333333
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 12
Returns the total number of divisors (τ(n)) divided by the sum of the reciprocal of each divisors

The number 28440428 can be divided by 12 positive divisors. The sum of these divisors (counting 28440428) is 1, the average is 0.083333333333333.

Base conversion 28440428

Base System Value
2 Binary 1101100011111011101101100
3 Ternary 1222111220221012
4 Quaternary 1230133131230
5 Quinary 24240043203
6 Senary 2453324352
8 Octal 154373554
10 Decimal 28440428
12 Duodecimal 96366b8
16 Hexadecimal 1b1f76c
20 Vigesimal 8hf118
36 Base36 gxkrw

Cryptographic Hash Functions

md5 3354ef97a7eaae7a116c27aa1e66fa10
sha1 0341f9bc100582adb6436d21c6cc25754a1ecc81
sha256 0d9132bfa5a073dbf803e3942f355327017fe0c4d88ddaa8ab6afcc6e7b1eda2
sha512 8ba99e07a275c4907b27f5da1fc182293c18418badf5e7120415f5f4d91d5bb53982ecb694b01663aba5c3156081b87ada05f52a1799be9d481f7a70bdb04ecd
ripemd-160 d32c139eab229642061132410b7ff9e86261499d

28440428 as geometric shapes

Circle

Radius = n
Diameter 56880856
Circumference 178696479.3395
Area 2.5411021772543E+15

Sphere

Radius = n
Volume 9.636004468379E+22
Surface area 1.0164408709017E+16
Circumference 178696479.3395

Square

Length = n
Perimeter 113761712
Area 808857944823184
Diagonal 40220838.997296

Cube

Length = n
Surface area 4853147668939104
Volume 2.3004266141972E+22
Space diagonal 49260266.285005

Equilateral Triangle

Length = n
Perimeter 85321284
Area 3.5024576413487E+14
Altitude 24630133.142502

Triangular Pyramid

Length = n
Surface area 3.5024576413487E+14
Volume 2.7110787642014E+21
Height 13406946.332432