28390943 (number)

28390943 is an odd 8-digits composite number following 28390942 and preceding 28390944. In scientific notation, it is written as 2.8390943 × 10^7. The sum of its digits is 38. It has a total of 2 prime factors and 4 positive divisors. There are 24335052 positive integers (up to 28390943) that are relatively prime to 28390943.

Interesting facts

Basic properties

Name

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

Notation

Scientific notation 2.8390943 × 10^7
Engineering notation 2.8390943 × 10^6

Prime Factorization of 28390943

Prime Factorization 49 × 579407

Composite number
ω Distinct Factors 2
Total number of distinct prime factors
Ω Total Factors 2
Total number of prime factors
rad Radical 28390943
Product of the distinct prime numbers

The prime factorization of 28390943 is 49 × 579407. Since it has a total of 2 prime factors.

Most popular turbo-numbers

Basic calculations (n = 28390943)

Multiplication

n×y
n×2 56781886
n×3 85172829
n×4 113563772
n×5 141954715

Division

n÷y
n÷2 14195471.5
n÷3 9463647.6666667
n÷3 7097735.75
n÷5 5678188.6

Exponentiation

ny
n2 806045644429249
n3 2.2884395946389E+22
n4 6.4970958090336E+29
n5 1.8445867677981E+37

Nth Root

y√n
2√n 5328.3152121473
3√n 305.0656241485
4√n 72.995309521553
5√n 30.948240531159

Divisors of 28390943

4 divisors

τ Total Divisors 4
Total number of the positive divisors of n
σ Sum of Divisors 1
Sum of all the positive divisors of n
s Aliquot Sum -28390942
Sum of the proper positive divisors of n
A Arithmetic Mean 0.25
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 4
Returns the total number of divisors (τ(n)) divided by the sum of the reciprocal of each divisors

The number 28390943 can be divided by 4 positive divisors. The sum of these divisors (counting 28390943) is 1, the average is 0.25.

Base conversion 28390943

Base System Value
2 Binary 1101100010011011000011111
3 Ternary 1222102102001102
4 Quaternary 1230103120133
5 Quinary 24232002233
6 Senary 2452303315
8 Octal 154233037
10 Decimal 28390943
12 Duodecimal 9611b3b
16 Hexadecimal 1b1361f
20 Vigesimal 8h8h73
36 Base36 gwilb

Cryptographic Hash Functions

md5 10431985854ec0f696239c79889d547d
sha1 0474ab8a5de65957368c814b9f783036871c85e4
sha256 06b08cb1bcd39aa33b9210223fef4dd37e65e7c7eb528f3e74b1d5b6010921df
sha512 96a88a9e9e2d8fefdb40842ca8f652eae79df863596b10c8e969b8946b85b7234526bc8b0ff25ae4a086e82d2779ed1fc2a0846c06f08715dc722cc107771eb1
ripemd-160 744e6672289d61fdef27066e6bdb0b2d7f588b11

28390943 as geometric shapes

Circle

Radius = n
Diameter 56781886
Circumference 178385555.91457
Area 2.532267074997E+15

Sphere

Radius = n
Volume 9.5857933582688E+22
Surface area 1.0129068299988E+16
Circumference 178385555.91457

Square

Length = n
Perimeter 113563772
Area 806045644429249
Diagonal 40150856.639161

Cube

Length = n
Surface area 4836273866575494
Volume 2.2884395946389E+22
Space diagonal 49174555.750792

Equilateral Triangle

Length = n
Perimeter 85172829
Area 3.4902800234276E+14
Altitude 24587277.875396

Triangular Pyramid

Length = n
Surface area 3.4902800234276E+14
Volume 2.6969519261749E+21
Height 13383618.87972