28478730 (number)

28478730 is an even 8-digits composite number following 28478729 and preceding 28478731. In scientific notation, it is written as 2.8478730 × 10^7. The sum of its digits is 39. It has a total of 4 prime factors and 16 positive divisors. There are 6509376 positive integers (up to 28478730) that are relatively prime to 28478730.

Interesting facts

Basic properties

Name

Name twenty-eight million four hundred seventy-eight thousand seven hundred thirty

Notation

Scientific notation 2.8478730 × 10^7
Engineering notation 2.8478730 × 10^6

Prime Factorization of 28478730

Prime Factorization 2 × 3 × 35 × 135613

Composite number
ω Distinct Factors 4
Total number of distinct prime factors
Ω Total Factors 4
Total number of prime factors
rad Radical 28478730
Product of the distinct prime numbers

The prime factorization of 28478730 is 2 × 3 × 35 × 135613. Since it has a total of 4 prime factors.

Most popular turbo-numbers

3, 8, 4, 28, 499, 536, 9721, 5587, 35507, 85969, 986151, 562628, 6962412, 7369908, 65552465, 63186008, 814107775, 545036188, 5458410708, 3628676242

Basic calculations (n = 28478730)

Multiplication

n×y
n×2 56957460
n×3 85436190
n×4 113914920
n×5 142393650

Division

n÷y
n÷2 14239365
n÷3 9492910
n÷3 7119682.5
n÷5 5695746

Exponentiation

ny
n2 811038062412900
n3 2.309733399918E+22
n4 6.5778273868247E+29
n5 1.8732817013599E+37

Nth Root

y√n
2√n 5336.5466361684
3√n 305.37972948953
4√n 73.05167100189
5√n 30.967355775931

Divisors of 28478730

1, 2, 3, 6, 35, 70, 105, 210, 135613, 271226, 406839, 813678, 4746455, 9492910, 14239365, 28478730

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 -28478729
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 28478730 can be divided by 16 positive divisors. The sum of these divisors (counting 28478730) is 1, the average is 0.0625.

Base conversion 28478730

Base System Value
2 Binary 1101100101000110100001010
3 Ternary 1222120212110210
4 Quaternary 1230220310022
5 Quinary 24242304410
6 Senary 2454221550
8 Octal 154506412
10 Decimal 28478730
12 Duodecimal 96548b6
16 Hexadecimal 1b28d0a
20 Vigesimal 8hjgga
36 Base36 gyebu

Cryptographic Hash Functions

md5 727f879106035ef7ab1c7b249c2c5eeb
sha1 cb3fdbc3a197b8c473db87ba2a263d43b4a93556
sha256 8d0d61b30310332edd8220369c9cfa900ade3d05f06e819e81c45fe62a40dfca
sha512 b5b0e7e566c08ef7b6624130536b56f9f19dcb87dfd63fdce9463f106aee2b04895649ec74b4ac15d9db4fb4544beda2b5b19b0b92bb9316d46d644819f613f2
ripemd-160 3b6c1c73c42ffea3e862f1f938ded2ce800a1910

28478730 as geometric shapes

Circle

Radius = n
Diameter 56957460
Circumference 178937137.90313
Area 2.5479512186581E+15

Sphere

Radius = n
Volume 9.6749886412445E+22
Surface area 1.0191804874632E+16
Circumference 178937137.90313

Square

Length = n
Perimeter 113914920
Area 811038062412900
Diagonal 40275006.205162

Cube

Length = n
Surface area 4866228374477400
Volume 2.309733399918E+22
Space diagonal 49326607.295036

Equilateral Triangle

Length = n
Perimeter 85436190
Area 3.5118978274284E+14
Altitude 24663303.647518

Triangular Pyramid

Length = n
Surface area 3.5118978274284E+14
Volume 2.7220469163585E+21
Height 13425002.068387