28888889 (number)

28888889 is an odd 8-digits prime number following 28888888 and preceding 28888890. In scientific notation, it is written as 2.8888889 × 10^7. The sum of its digits is 59. It has a total of 1 prime factors and 2 positive divisors. There are 28888888 positive integers (up to 28888889) that are relatively prime to 28888889.

Interesting facts

Basic properties

Name

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

Notation

Scientific notation 2.8888889 × 10^7
Engineering notation 2.8888889 × 10^6

Prime Factorization of 28888889

Prime Factorization 28888889

Composite number
ω Distinct Factors 1
Total number of distinct prime factors
Ω Total Factors 1
Total number of prime factors
rad Radical 28888889
Product of the distinct prime numbers

The prime factorization of 28888889 is 28888889. Since it has a total of 1 prime factors.

Most popular turbo-numbers

7, 5, 97, 22, 842, 350, 2944, 7673, 99609, 68598, 219817, 736174, 3053156, 3981523, 10330833, 51172281, 991713926, 825529261, 4708874826, 3169201755

Basic calculations (n = 28888889)

Multiplication

n×y
n×2 57777778
n×3 86666667
n×4 115555556
n×5 144444445

Division

n÷y
n÷2 14444444.5
n÷3 9629629.6666667
n÷3 7222222.25
n÷5 5777777.8

Exponentiation

ny
n2 834567907654321
n3 2.4109739647188E+22
n4 6.9650359248651E+29
n5 2.0121214971444E+37

Nth Root

y√n
2√n 5374.8385092019
3√n 306.83880314391
4√n 73.313290126702
5√n 31.056046480658

Divisors of 28888889

1, 28888889

2 divisors

τ Total Divisors 2
Total number of the positive divisors of n
σ Sum of Divisors 28888890
Sum of all the positive divisors of n
s Aliquot Sum 1
Sum of the proper positive divisors of n
A Arithmetic Mean 14444445
Returns the sum of divisors (σ(n)) divided by the total number of divisors (τ(n))
G Geometric Mean 5374.838602228
Returns the nth root of the product of n divisors
H Harmonic Mean 1.9999999307692
Returns the total number of divisors (τ(n)) divided by the sum of the reciprocal of each divisors

The number 28888889 can be divided by 2 positive divisors. The sum of these divisors (counting 28888889) is 28888890, the average is 14444445.

Base conversion 28888889

Base System Value
2 Binary 1101110001100111100111001
3 Ternary 2000100201002212
4 Quaternary 1232030330321
5 Quinary 24343421024
6 Senary 2511104505
8 Octal 156147471
10 Decimal 28888889
12 Duodecimal 9812135
16 Hexadecimal 1b8cf39
20 Vigesimal 90b249
36 Base36 h76t5

Cryptographic Hash Functions

md5 a8bd18e2ca81b221c9dc69c1c7037340
sha1 80fc62745dbd2f04c20b23db192246c948a4d303
sha256 86e4a53e92d4f5376eb93d5f76b4db6a710e6576da9c612165ea83bc9e2bdf55
sha512 34fb35471e4b4a93377fe70802d3d88deccf6c7f4e1d80b6d0dadde78ade20fd4344103b6d55bcb36a3d609786f32fd81f5d0965bf604c1285035de78d6d53eb
ripemd-160 8f372a117be0fed74680a31f6659ae9390e2fe55

28888889 as geometric shapes

Circle

Radius = n
Diameter 57777778
Circumference 181514242.90554
Area 2.6218724076086E+15

Sphere

Radius = n
Volume 1.0099064127409E+23
Surface area 1.0487489630434E+16
Circumference 181514242.90554

Square

Length = n
Perimeter 115555556
Area 834567907654321
Diagonal 40855058.625691

Cube

Length = n
Surface area 5007407445925926
Volume 2.4109739647188E+22
Space diagonal 50037023.522218

Equilateral Triangle

Length = n
Perimeter 86666667
Area 3.6137850460593E+14
Altitude 25018511.761109

Triangular Pyramid

Length = n
Surface area 3.6137850460593E+14
Volume 2.8413600661948E+21
Height 13618352.87523