28493878 (number)

28493878 is an even 8-digits composite number following 28493877 and preceding 28493879. In scientific notation, it is written as 2.8493878 × 10^7. The sum of its digits is 49. It has a total of 4 prime factors and 16 positive divisors. There are 12056616 positive integers (up to 28493878) that are relatively prime to 28493878.

Interesting facts

Basic properties

Name

Name twenty-eight million four hundred ninety-three thousand eight hundred seventy-eight

Notation

Scientific notation 2.8493878 × 10^7
Engineering notation 2.8493878 × 10^6

Prime Factorization of 28493878

Prime Factorization 2 × 79 × 7 × 25763

Composite number
ω Distinct Factors 4
Total number of distinct prime factors
Ω Total Factors 4
Total number of prime factors
rad Radical 28493878
Product of the distinct prime numbers

The prime factorization of 28493878 is 2 × 79 × 7 × 25763. Since it has a total of 4 prime factors.

Most popular turbo-numbers

6, 2, 6, 86, 961, 823, 8733, 3809, 84050, 91966, 345140, 200418, 330147, 2603871, 72921694, 58666996, 100037755, 406452630, 3405288208, 1703250994

Basic calculations (n = 28493878)

Multiplication

n×y
n×2 56987756
n×3 85481634
n×4 113975512
n×5 142469390

Division

n÷y
n÷2 14246939
n÷3 9497959.3333333
n÷3 7123469.5
n÷5 5698775.6

Exponentiation

ny
n2 811901083478884
n3 2.3134210420715E+22
n4 6.5918336935419E+29
n5 1.8782690506007E+37

Nth Root

y√n
2√n 5337.9657173871
3√n 305.43386430295
4√n 73.061383215671
5√n 30.97064941811

Divisors of 28493878

1, 2, 7, 14, 79, 158, 553, 1106, 25763, 51526, 180341, 360682, 2035277, 4070554, 14246939, 28493878

16 divisors

τ Total Divisors 16
Total number of the positive divisors of n
σ Sum of Divisors 1
Sum of all the positive divisors of n
s Aliquot Sum -28493877
Sum of the proper positive divisors of n
A Arithmetic Mean 0.0625
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 16
Returns the total number of divisors (τ(n)) divided by the sum of the reciprocal of each divisors

The number 28493878 can be divided by 16 positive divisors. The sum of these divisors (counting 28493878) is 1, the average is 0.0625.

Base conversion 28493878

Base System Value
2 Binary 1101100101100100000110110
3 Ternary 1222121122020211
4 Quaternary 1230230200312
5 Quinary 24243301003
6 Senary 2454420034
8 Octal 154544066
10 Decimal 28493878
12 Duodecimal 966161a
16 Hexadecimal 1b2c836
20 Vigesimal 8i1edi
36 Base36 gyq0m

Cryptographic Hash Functions

md5 acc5f94d1f418fc03940e970386dccde
sha1 71479504b0dce148c205ae2dc04dfd66e27d4a7b
sha256 37f0e5af9d8e6f08f1d99dee614ee41dce007bbf0c905c1e1fb3c0d0a0b9f958
sha512 eeef14c0184b7853a72ef29efea28ab2a4a4c04405abf9208c914ee7260d780a7ab126a493213e23fb876c61411d844d182ed340f5227a0e634c1dacc58b256e
ripemd-160 e7d1bb773ca94f2cece532821043d8e7ee8c25ed

28493878 as geometric shapes

Circle

Radius = n
Diameter 56987756
Circumference 179032315.59417
Area 2.5506624792989E+15

Sphere

Radius = n
Volume 9.6904354005759E+22
Surface area 1.0202649917195E+16
Circumference 179032315.59417

Square

Length = n
Perimeter 113975512
Area 811901083478884
Diagonal 40296428.712204

Cube

Length = n
Surface area 4871406500873304
Volume 2.3134210420715E+22
Space diagonal 49352844.400669

Equilateral Triangle

Length = n
Perimeter 85481634
Area 3.5156348182641E+14
Altitude 24676422.200335

Triangular Pyramid

Length = n
Surface area 3.5156348182641E+14
Volume 2.726392844314E+21
Height 13432142.904068