28809747 (number)

28809747 is an odd 8-digits composite number following 28809746 and preceding 28809748. In scientific notation, it is written as 2.8809747 × 10^7. The sum of its digits is 45. It has a total of 4 prime factors and 12 positive divisors. There are 18076608 positive integers (up to 28809747) that are relatively prime to 28809747.

Interesting facts

Basic properties

Name

Name twenty-eight million eight hundred nine thousand seven hundred forty-seven

Notation

Scientific notation 2.8809747 × 10^7
Engineering notation 2.8809747 × 10^6

Prime Factorization of 28809747

Prime Factorization 3 × 17 × 3 × 188299

Composite number
ω Distinct Factors 3
Total number of distinct prime factors
Ω Total Factors 4
Total number of prime factors
rad Radical 9603249
Product of the distinct prime numbers

The prime factorization of 28809747 is 3 × 17 × 3 × 188299. Since it has a total of 4 prime factors.

Most popular turbo-numbers

Basic calculations (n = 28809747)

Multiplication

n×y
n×2 57619494
n×3 86429241
n×4 115238988
n×5 144048735

Division

n÷y
n÷2 14404873.5
n÷3 9603249
n÷3 7202436.75
n÷5 5761949.4

Exponentiation

ny
n2 830001522204009
n3 2.3912133864312E+22
n4 6.8890252686097E+29
n5 1.9847107506525E+37

Nth Root

y√n
2√n 5367.4711922841
3√n 306.55834877027
4√n 73.263027457812
5√n 31.039012004913

Divisors of 28809747

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 -28809746
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 28809747 can be divided by 12 positive divisors. The sum of these divisors (counting 28809747) is 1, the average is 0.083333333333333.

Base conversion 28809747

Base System Value
2 Binary 1101101111001101000010011
3 Ternary 2000012200112200
4 Quaternary 1231321220103
5 Quinary 24333402442
6 Senary 2505254243
8 Octal 155715023
10 Decimal 28809747
12 Duodecimal 9794383
16 Hexadecimal 1b79a13
20 Vigesimal 901477
36 Base36 h5hqr

Cryptographic Hash Functions

md5 90457da4ebf059e3fbdb9a4cf907838b
sha1 134139b342869e9734acfdeeb90555bfef006dee
sha256 14798ecd8c0fe73bae80aac13eb0c40f2df0b9b1b263ab72488cb1e920c28e86
sha512 3d59f063ed46c373cfb67cbc4da5ef162aaabf8355d9eaee090924029855f50988f77bb665f9ca6fc58cebb972bd476273bdb65c47c61a124c55656de3f850d3
ripemd-160 b1b7ac5a487cb894f4387d044bdc5bc67d3336d9

28809747 as geometric shapes

Circle

Radius = n
Diameter 57619494
Circumference 181016979.05396
Area 2.6075266846245E+15

Sphere

Radius = n
Volume 1.0016291210637E+23
Surface area 1.0430106738498E+16
Circumference 181016979.05396

Square

Length = n
Perimeter 115238988
Area 830001522204009
Diagonal 40743134.935938

Cube

Length = n
Surface area 4980009133224054
Volume 2.3912133864312E+22
Space diagonal 49899945.557205

Equilateral Triangle

Length = n
Perimeter 86429241
Area 3.5940120170421E+14
Altitude 24949972.778603

Triangular Pyramid

Length = n
Surface area 3.5940120170421E+14
Volume 2.8180720013493E+21
Height 13581044.978646