28888909 (number)

28888909 is an odd 8-digits composite number following 28888908 and preceding 28888910. In scientific notation, it is written as 2.8888909 × 10^7. The sum of its digits is 52. It has a total of 2 prime factors and 4 positive divisors. There are 24761916 positive integers (up to 28888909) that are relatively prime to 28888909.

Interesting facts

Basic properties

Name

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

Notation

Scientific notation 2.8888909 × 10^7
Engineering notation 2.8888909 × 10^6

Prime Factorization of 28888909

Prime Factorization 7 × 4126987

Composite number
ω Distinct Factors 2
Total number of distinct prime factors
Ω Total Factors 2
Total number of prime factors
rad Radical 28888909
Product of the distinct prime numbers

The prime factorization of 28888909 is 7 × 4126987. Since it has a total of 2 prime factors.

Most popular turbo-numbers

Basic calculations (n = 28888909)

Multiplication

n×y
n×2 57777818
n×3 86666727
n×4 115555636
n×5 144444545

Division

n÷y
n÷2 14444454.5
n÷3 9629636.3333333
n÷3 7222227.25
n÷5 5777781.8

Exponentiation

ny
n2 834569063210281
n3 2.4109789721297E+22
n4 6.9650552126769E+29
n5 2.01212846219E+37

Nth Root

y√n
2√n 5374.8403697226
3√n 306.83887395285
4√n 73.313302815537
5√n 31.056050780725

Divisors of 28888909

4 divisors

τ Total Divisors 4
Total number of the positive divisors of n
σ Sum of Divisors 1
Sum of all the positive divisors of n
s Aliquot Sum -28888908
Sum of the proper positive divisors of n
A Arithmetic Mean 0.25
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 4
Returns the total number of divisors (τ(n)) divided by the sum of the reciprocal of each divisors

The number 28888909 can be divided by 4 positive divisors. The sum of these divisors (counting 28888909) is 1, the average is 0.25.

Base conversion 28888909

Base System Value
2 Binary 1101110001100111101001101
3 Ternary 2000100201010121
4 Quaternary 1232030331031
5 Quinary 24343421114
6 Senary 2511104541
8 Octal 156147515
10 Decimal 28888909
12 Duodecimal 9812151
16 Hexadecimal 1b8cf4d
20 Vigesimal 90b259
36 Base36 h76tp

Cryptographic Hash Functions

md5 992326e034ba27fcbd2bb5c79e528a2b
sha1 94c74ae20c486820bd2a616b3180cbd720761ebf
sha256 755aa08874887b3a0a3a06278a31f3680ca49160577ac97b0bbe2956c140c128
sha512 da6e1238e0891763eca5dcd2a12e8e247031f12c8b9e92431712649bb02db910660c699211d4f00e994f160002a4aae56b3955bea768fa004d1b6898fe5b1979
ripemd-160 bd397bc7b3622f2f87e0dfd174cffba6bf5c8d3f

28888909 as geometric shapes

Circle

Radius = n
Diameter 57777818
Circumference 181514368.56925
Area 2.6218760378947E+15

Sphere

Radius = n
Volume 1.0099085102403E+23
Surface area 1.0487504151579E+16
Circumference 181514368.56925

Square

Length = n
Perimeter 115555636
Area 834569063210281
Diagonal 40855086.909962

Cube

Length = n
Surface area 5007414379261686
Volume 2.4109789721297E+22
Space diagonal 50037058.163234

Equilateral Triangle

Length = n
Perimeter 86666727
Area 3.6137900497634E+14
Altitude 25018529.081617

Triangular Pyramid

Length = n
Surface area 3.6137900497634E+14
Volume 2.8413659674851E+21
Height 13618362.303321