28698561 (number)

28698561 is an odd 8-digits composite number following 28698560 and preceding 28698562. In scientific notation, it is written as 2.8698561 × 10^7. The sum of its digits is 45. It has a total of 4 prime factors and 12 positive divisors. There are 19110240 positive integers (up to 28698561) that are relatively prime to 28698561.

Interesting facts

Basic properties

Name

Name twenty-eight million six hundred ninety-eight thousand five hundred sixty-one

Notation

Scientific notation 2.8698561 × 10^7
Engineering notation 2.8698561 × 10^6

Prime Factorization of 28698561

Prime Factorization 3 × 3 × 2309 × 1381

Composite number
ω Distinct Factors 3
Total number of distinct prime factors
Ω Total Factors 4
Total number of prime factors
rad Radical 9566187
Product of the distinct prime numbers

The prime factorization of 28698561 is 3 × 3 × 2309 × 1381. Since it has a total of 4 prime factors.

Most popular turbo-numbers

2, 6, 81, 71, 383, 440, 634, 7895, 18685, 86643, 760112, 797952, 4554878, 598400, 21481676, 75798857, 165802588, 616440354, 8748011179, 3562214507

Basic calculations (n = 28698561)

Multiplication

n×y
n×2 57397122
n×3 86095683
n×4 114794244
n×5 143492805

Division

n÷y
n÷2 14349280.5
n÷3 9566187
n÷3 7174640.25
n÷5 5739712.2

Exponentiation

ny
n2 823607403470721
n3 2.3636347308556E+22
n4 6.7832915505178E+29
n5 1.9467070634332E+37

Nth Root

y√n
2√n 5357.103788429
3√n 306.16347154217
4√n 73.192238580528
5√n 31.015017045691

Divisors of 28698561

1, 3, 9, 1381, 2309, 4143, 6927, 12429, 20781, 3188729, 9566187, 28698561

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 -28698560
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 28698561 can be divided by 12 positive divisors. The sum of these divisors (counting 28698561) is 1, the average is 0.083333333333333.

Base conversion 28698561

Base System Value
2 Binary 1101101011110011111000001
3 Ternary 2000000001000200
4 Quaternary 1231132133001
5 Quinary 24321323221
6 Senary 2503035413
8 Octal 155363701
10 Decimal 28698561
12 Duodecimal 973bb69
16 Hexadecimal 1b5e7c1
20 Vigesimal 8j7681
36 Base36 h33y9

Cryptographic Hash Functions

md5 6760d3c156134343668d5c8ab91a92c3
sha1 85f7d91d61ab1e3cc39d84717f9c2bef6c691cfa
sha256 b1f0cb53027e2838834ec9ea97031a8af8d2a8b996be10240b84b5228eeca4ee
sha512 f935312c0aaadc8a4875468389370a9e39eff4db0ac2ad714bb6e7650bb96ce1a4c59f89e86559ad5163264280d30d2ae38801853cd5c9bd067bd8fc3eea7fce
ripemd-160 0798917254740f1349b9b08a9ead5d2ec52a54f5

28698561 as geometric shapes

Circle

Radius = n
Diameter 57397122
Circumference 180318376.8124
Area 2.5874389681858E+15

Sphere

Radius = n
Volume 9.9007700083009E+22
Surface area 1.0349755872743E+16
Circumference 180318376.8124

Square

Length = n
Perimeter 114794244
Area 823607403470721
Diagonal 40585894.186792

Cube

Length = n
Surface area 4941644420824326
Volume 2.3636347308556E+22
Space diagonal 49707365.756115

Equilateral Triangle

Length = n
Perimeter 86095683
Area 3.5663246707529E+14
Altitude 24853682.878057

Triangular Pyramid

Length = n
Surface area 3.5663246707529E+14
Volume 2.7855702440601E+21
Height 13528631.395597