28008889 (number)

28008889 is an odd 8-digits composite number following 28008888 and preceding 28008890. In scientific notation, it is written as 2.8008889 × 10^7. The sum of its digits is 43. It has a total of 3 prime factors and 8 positive divisors. There are 27157680 positive integers (up to 28008889) that are relatively prime to 28008889.

Interesting facts

Basic properties

Name

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

Notation

Scientific notation 2.8008889 × 10^7
Engineering notation 2.8008889 × 10^6

Prime Factorization of 28008889

Prime Factorization 37 × 331 × 2287

Composite number
ω Distinct Factors 3
Total number of distinct prime factors
Ω Total Factors 3
Total number of prime factors
rad Radical 28008889
Product of the distinct prime numbers

The prime factorization of 28008889 is 37 × 331 × 2287. Since it has a total of 3 prime factors.

Most popular turbo-numbers

10, 2, 48, 17, 499, 822, 147, 8280, 98971, 42015, 106925, 248063, 7254084, 179739, 60264629, 37893281, 661974013, 930822517, 4729130699, 9946436819

Basic calculations (n = 28008889)

Multiplication

n×y
n×2 56017778
n×3 84026667
n×4 112035556
n×5 140044445

Division

n÷y
n÷2 14004444.5
n÷3 9336296.3333333
n÷3 7002222.25
n÷5 5601777.8

Exponentiation

ny
n2 784497863014321
n3 2.1972913565905E+22
n4 6.1543689707404E+29
n5 1.7237703736651E+37

Nth Root

y√n
2√n 5292.3424870278
3√n 303.69102740604
4√n 72.748487867638
5√n 30.864495070106

Divisors of 28008889

1, 37, 331, 2287, 12247, 84619, 756997, 28008889

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 -28008888
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 28008889 can be divided by 8 positive divisors. The sum of these divisors (counting 28008889) is 1, the average is 0.125.

Base conversion 28008889

Base System Value
2 Binary 1101010110110000110111001
3 Ternary 1221200222222021
4 Quaternary 1222312012321
5 Quinary 24132241024
6 Senary 2440154441
8 Octal 152660671
10 Decimal 28008889
12 Duodecimal 9468a21
16 Hexadecimal 1ab61b9
20 Vigesimal 8f1249
36 Base36 gobsp

Cryptographic Hash Functions

md5 8e04d3dc85d6a8682340d30d2ca97b24
sha1 c1e48a14e39b9acbf49a38968055109f89e7fb3d
sha256 2436b5de1f6ee31ed7e66d494bde1fa1973f0008328c3d8a0d5a488faabec401
sha512 fa4abc84dd42bb1d9ef0e5fbd9554260e845da0996b07148f033ed6b1e162350a633e03f4f7c46918fbd13b009959345443551fa900f64187256bfd06e3df2b2
ripemd-160 30a97b74f5b29b314c7c3d73ba28116f86db1514

28008889 as geometric shapes

Circle

Radius = n
Diameter 56017778
Circumference 175985039.83522
Area 2.4645727232027E+15

Sphere

Radius = n
Volume 9.2039925115482E+22
Surface area 9.8582908928107E+15
Circumference 175985039.83522

Square

Length = n
Perimeter 112035556
Area 784497863014321
Diagonal 39610550.690803

Cube

Length = n
Surface area 4706987178085926
Volume 2.1972913565905E+22
Space diagonal 48512818.811557

Equilateral Triangle

Length = n
Perimeter 84026667
Area 3.396975392925E+14
Altitude 24256409.405779

Triangular Pyramid

Length = n
Surface area 3.396975392925E+14
Volume 2.5895326974796E+21
Height 13203516.896934