28888971 (number)

28888971 is an odd 8-digits composite number following 28888970 and preceding 28888972. In scientific notation, it is written as 2.8888971 × 10^7. The sum of its digits is 51. It has a total of 4 prime factors and 16 positive divisors. There are 18641664 positive integers (up to 28888971) that are relatively prime to 28888971.

Interesting facts

Basic properties

Name

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

Notation

Scientific notation 2.8888971 × 10^7
Engineering notation 2.8888971 × 10^6

Prime Factorization of 28888971

Prime Factorization 3 × 233 × 37 × 1117

Composite number
ω Distinct Factors 4
Total number of distinct prime factors
Ω Total Factors 4
Total number of prime factors
rad Radical 28888971
Product of the distinct prime numbers

The prime factorization of 28888971 is 3 × 233 × 37 × 1117. Since it has a total of 4 prime factors.

Most popular turbo-numbers

Basic calculations (n = 28888971)

Multiplication

n×y
n×2 57777942
n×3 86666913
n×4 115555884
n×5 144444855

Division

n÷y
n÷2 14444485.5
n÷3 9629657
n÷3 7222242.75
n÷5 5777794.2

Exponentiation

ny
n2 834572645438841
n3 2.4109944951476E+22
n4 6.9651150051479E+29
n5 2.0121500539538E+37

Nth Root

y√n
2√n 5374.8461373327
3√n 306.83909346035
4√n 73.313342150885
5√n 31.056064110917

Divisors of 28888971

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 -28888970
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 28888971 can be divided by 16 positive divisors. The sum of these divisors (counting 28888971) is 1, the average is 0.0625.

Base conversion 28888971

Base System Value
2 Binary 1101110001100111110001011
3 Ternary 2000100201012220
4 Quaternary 1232030332023
5 Quinary 24343421341
6 Senary 2511105123
8 Octal 156147613
10 Decimal 28888971
12 Duodecimal 98121a3
16 Hexadecimal 1b8cf8b
20 Vigesimal 90b28b
36 Base36 h76vf

Cryptographic Hash Functions

md5 3e7446b63ad048a35024084d8d8d4254
sha1 1545389bc8e509479d52082fc70b060977e659f6
sha256 a1af253e1b88312e42a8cb2390d4aa90de1f6158f942404ad3f8757c407ead8a
sha512 30ff204b473b6031ed507199f4d92982a6ed5273ccab995db254763699dea134dbfcb3cc3f10641d0ffe61f2f353bd7eaf95e972d2a88328fad39ca5a81a90e6
ripemd-160 d5e373adfa75a029ad1cb5aec9c62b3c685cba12

28888971 as geometric shapes

Circle

Radius = n
Diameter 57777942
Circumference 181514758.12674
Area 2.6218872917977E+15

Sphere

Radius = n
Volume 1.0099150125068E+23
Surface area 1.0487549167191E+16
Circumference 181514758.12674

Square

Length = n
Perimeter 115555884
Area 834572645438841
Diagonal 40855174.591203

Cube

Length = n
Surface area 5007435872633046
Volume 2.4109944951476E+22
Space diagonal 50037165.550384

Equilateral Triangle

Length = n
Perimeter 86666913
Area 3.6138055612681E+14
Altitude 25018582.775192

Triangular Pyramid

Length = n
Surface area 3.6138055612681E+14
Volume 2.8413842615372E+21
Height 13618391.530401