28839938 (number)

28839938 is an even 8-digits composite number following 28839937 and preceding 28839939. In scientific notation, it is written as 2.8839938 × 10^7. The sum of its digits is 50. It has a total of 3 prime factors and 8 positive divisors. There are 14403796 positive integers (up to 28839938) that are relatively prime to 28839938.

Interesting facts

Basic properties

Name

Name twenty-eight million eight hundred thirty-nine thousand nine hundred thirty-eight

Notation

Scientific notation 2.8839938 × 10^7
Engineering notation 2.8839938 × 10^6

Prime Factorization of 28839938

Prime Factorization 2 × 947 × 15227

Composite number
ω Distinct Factors 3
Total number of distinct prime factors
Ω Total Factors 3
Total number of prime factors
rad Radical 28839938
Product of the distinct prime numbers

The prime factorization of 28839938 is 2 × 947 × 15227. Since it has a total of 3 prime factors.

Most popular turbo-numbers

10, 5, 27, 25, 376, 56, 1076, 7371, 60357, 56152, 263774, 669475, 3265485, 7374463, 39575269, 44290282, 620636679, 809552133, 6643920129, 6310917197

Basic calculations (n = 28839938)

Multiplication

n×y
n×2 57679876
n×3 86519814
n×4 115359752
n×5 144199690

Division

n÷y
n÷2 14419969
n÷3 9613312.6666667
n÷3 7209984.5
n÷5 5767987.6

Exponentiation

ny
n2 831742023843844
n3 2.3987388399651E+22
n4 6.9179479422785E+29
n5 1.9951318974254E+37

Nth Root

y√n
2√n 5370.2828603343
3√n 306.66539670762
4√n 73.282213806177
5√n 31.045514708651

Divisors of 28839938

1, 2, 947, 1894, 15227, 30454, 14419969, 28839938

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 -28839937
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 28839938 can be divided by 8 positive divisors. The sum of these divisors (counting 28839938) is 1, the average is 0.125.

Base conversion 28839938

Base System Value
2 Binary 1101110000001000000000010
3 Ternary 2000021012221212
4 Quaternary 1232001000002
5 Quinary 24340334223
6 Senary 2510050122
8 Octal 156010002
10 Decimal 28839938
12 Duodecimal 97a9942
16 Hexadecimal 1b81002
20 Vigesimal 904jgi
36 Base36 h651e

Cryptographic Hash Functions

md5 de5a63daccc9da6118430ae061cfc2de
sha1 b685a0cd2ab62a5b2d4da2262279c000836439a2
sha256 db2d30a08bf18922b960b13e457d2b37b1572383d9c0f4a2a4ca555358439d2d
sha512 bb5d0cdfe265ab2bf5a680a7026b5e640af86c52faf685d7b1a25efb5c7b47f0a27d57079858c3d83945bae598d97c95c55ff2b9f0b4ee4d822cfcd127503fd5
ripemd-160 47939b4a3103d5d3249339d2b49abd44a04b792e

28839938 as geometric shapes

Circle

Radius = n
Diameter 57679876
Circumference 181206674.70157
Area 2.6129946317897E+15

Sphere

Radius = n
Volume 1.0047813756686E+23
Surface area 1.0451978527159E+16
Circumference 181206674.70157

Square

Length = n
Perimeter 115359752
Area 831742023843844
Diagonal 40785831.457599

Cube

Length = n
Surface area 4990452143063064
Volume 2.3987388399651E+22
Space diagonal 49952237.903136

Equilateral Triangle

Length = n
Perimeter 86519814
Area 3.6015486102193E+14
Altitude 24976118.951568

Triangular Pyramid

Length = n
Surface area 3.6015486102193E+14
Volume 2.8269408333915E+21
Height 13595277.152533