28666720 (number)

28666720 is an even 8-digits composite number following 28666719 and preceding 28666721. In scientific notation, it is written as 2.8666720 × 10^7. The sum of its digits is 37. It has a total of 7 prime factors and 24 positive divisors. There are 11466624 positive integers (up to 28666720) that are relatively prime to 28666720.

Interesting facts

Basic properties

Name

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

Notation

Scientific notation 2.8666720 × 10^7
Engineering notation 2.8666720 × 10^6

Prime Factorization of 28666720

Prime Factorization 2 × 2 × 2 × 2 × 2 × 5 × 179167

Composite number
ω Distinct Factors 3
Total number of distinct prime factors
Ω Total Factors 7
Total number of prime factors
rad Radical 1791670
Product of the distinct prime numbers

The prime factorization of 28666720 is 2 × 2 × 2 × 2 × 2 × 5 × 179167. Since it has a total of 7 prime factors.

Most popular turbo-numbers

2, 2, 26, 44, 854, 967, 5742, 1031, 92303, 18119, 504800, 504850, 7116639, 6490858, 4317873, 40444941, 215764287, 652572332, 6649442927, 3289129206

Basic calculations (n = 28666720)

Multiplication

n×y
n×2 57333440
n×3 86000160
n×4 114666880
n×5 143333600

Division

n÷y
n÷2 14333360
n÷3 9555573.3333333
n÷3 7166680
n÷5 5733344

Exponentiation

ny
n2 821780835558400
n3 2.3557761114319E+22
n4 6.7532374169106E+29
n5 1.935931661241E+37

Nth Root

y√n
2√n 5354.1311153165
3√n 306.05020037323
4√n 73.171928465201
5√n 31.008131768598

Divisors of 28666720

1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 80, 160, 179167, 358334, 716668, 895835, 1433336, 1791670, 2866672, 3583340, 5733344, 7166680, 14333360, 28666720

24 divisors

τ Total Divisors 24
Total number of the positive divisors of n
σ Sum of Divisors 1
Sum of all the positive divisors of n
s Aliquot Sum -28666719
Sum of the proper positive divisors of n
A Arithmetic Mean 0.041666666666667
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 24
Returns the total number of divisors (τ(n)) divided by the sum of the reciprocal of each divisors

The number 28666720 can be divided by 24 positive divisors. The sum of these divisors (counting 28666720) is 1, the average is 0.041666666666667.

Base conversion 28666720

Base System Value
2 Binary 1101101010110101101100000
3 Ternary 1222221102100101
4 Quaternary 1231112231200
5 Quinary 24314313340
6 Senary 2502232144
8 Octal 155265540
10 Decimal 28666720
12 Duodecimal 9725654
16 Hexadecimal 1b56b60
20 Vigesimal 8j36g0
36 Base36 h2fds

Cryptographic Hash Functions

md5 4eacd8c4b7ff7dfb2b6aa10f8824539c
sha1 7fad20085cd8eb3e9ca4da5c1674405291afd7c6
sha256 6402f85e8ea7ae8f2ef1b5728d07a42e2c89c02843e901697ca68dfc4c3c30cb
sha512 59210c1a418fedf496aba725e16b0d058da2a0ec7b788e697f26c1e322ba4827db5155c34eae678a844a2a81be845f17a1fb1bae9170b745156c52a426f49623
ripemd-160 799f827b58d553dfe3fceabb9e03f29f029e7f85

28666720 as geometric shapes

Circle

Radius = n
Diameter 57333440
Circumference 180118313.90903
Area 2.5817006358512E+15

Sphere

Radius = n
Volume 9.8678519002356E+22
Surface area 1.0326802543405E+16
Circumference 180118313.90903

Square

Length = n
Perimeter 114666880
Area 821780835558400
Diagonal 40540864.212752

Cube

Length = n
Surface area 4930685013350400
Volume 2.3557761114319E+22
Space diagonal 49652215.526351

Equilateral Triangle

Length = n
Perimeter 86000160
Area 3.5584153996839E+14
Altitude 24826107.763175

Triangular Pyramid

Length = n
Surface area 3.5584153996839E+14
Volume 2.7763087722513E+21
Height 13513621.404251