28668897 (number)

28668897 is an odd 8-digits composite number following 28668896 and preceding 28668898. In scientific notation, it is written as 2.8668897 × 10^7. The sum of its digits is 54. It has a total of 4 prime factors and 12 positive divisors. There are 19112436 positive integers (up to 28668897) that are relatively prime to 28668897.

Interesting facts

Basic properties

Name

Name twenty-eight million six hundred sixty-eight thousand eight hundred ninety-seven

Notation

Scientific notation 2.8668897 × 10^7
Engineering notation 2.8668897 × 10^6

Prime Factorization of 28668897

Prime Factorization 27 × 3 × 3 × 117979

Composite number
ω Distinct Factors 3
Total number of distinct prime factors
Ω Total Factors 4
Total number of prime factors
rad Radical 9556299
Product of the distinct prime numbers

The prime factorization of 28668897 is 27 × 3 × 3 × 117979. Since it has a total of 4 prime factors.

Most popular turbo-numbers

7, 9, 50, 74, 784, 600, 9016, 6783, 5214, 3590, 7694, 6350, 697908, 8806443, 52225068, 60430308, 291989485, 212723839, 9154220277, 6239633730

Basic calculations (n = 28668897)

Multiplication

n×y
n×2 57337794
n×3 86006691
n×4 114675588
n×5 143344485

Division

n÷y
n÷2 14334448.5
n÷3 9556299
n÷3 7167224.25
n÷5 5733779.4

Exponentiation

ny
n2 821905655196609
n3 2.3563128572549E+22
n4 6.7552890604417E+29
n5 1.9366668627903E+37

Nth Root

y√n
2√n 5354.3344124177
3√n 306.05794750324
4√n 73.173317626152
5√n 31.008602716459

Divisors of 28668897

1, 3, 9, 27, 81, 243, 117979, 353937, 1061811, 3185433, 9556299, 28668897

12 divisors

τ Total Divisors 12
Total number of the positive divisors of n
σ Sum of Divisors 1
Sum of all the positive divisors of n
s Aliquot Sum -28668896
Sum of the proper positive divisors of n
A Arithmetic Mean 0.083333333333333
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 12
Returns the total number of divisors (τ(n)) divided by the sum of the reciprocal of each divisors

The number 28668897 can be divided by 12 positive divisors. The sum of these divisors (counting 28668897) is 1, the average is 0.083333333333333.

Base conversion 28668897

Base System Value
2 Binary 1101101010111001111100001
3 Ternary 1222221112100000
4 Quaternary 1231113033201
5 Quinary 24314401042
6 Senary 2502250213
8 Octal 155271741
10 Decimal 28668897
12 Duodecimal 9726969
16 Hexadecimal 1b573e1
20 Vigesimal 8j3c4h
36 Base36 h2h29

Cryptographic Hash Functions

md5 7cbce82821ce2e2e04dc7784b7d2c967
sha1 a65def1e981a4554f689156082a28fe59dd3a778
sha256 7f124d7f009dc1a600d18179e3b2b22ba23900abb680e254ca28a3d307aa95fa
sha512 1e6976492aeeaa6223dbc6eb99d88f504c4ad7fcb2ccbf75235aef7f223b0aeee050a1fea1809f2d881374a9c255e41bc4a79bb68a4c62ee3843c887b8884979
ripemd-160 2dcde7948d9698fe59cd85622f2f6af45e2a56d8

28668897 as geometric shapes

Circle

Radius = n
Diameter 57337794
Circumference 180131992.40344
Area 2.5820927683096E+15

Sphere

Radius = n
Volume 9.8701002158816E+22
Surface area 1.0328371073238E+16
Circumference 180131992.40344

Square

Length = n
Perimeter 114675588
Area 821905655196609
Diagonal 40543942.955677

Cube

Length = n
Surface area 4931433931179654
Volume 2.3563128572549E+22
Space diagonal 49655986.200959

Equilateral Triangle

Length = n
Perimeter 86006691
Area 3.5589558845718E+14
Altitude 24827993.100479

Triangular Pyramid

Length = n
Surface area 3.5589558845718E+14
Volume 2.77694133327E+21
Height 13514647.651892