28742705 (number)

28742705 is an odd 8-digits composite number following 28742704 and preceding 28742706. In scientific notation, it is written as 2.8742705 × 10^7. The sum of its digits is 35. It has a total of 4 prime factors and 12 positive divisors. There are 22452192 positive integers (up to 28742705) that are relatively prime to 28742705.

Interesting facts

Basic properties

Name

Name twenty-eight million seven hundred forty-two thousand seven hundred five

Notation

Scientific notation 2.8742705 × 10^7
Engineering notation 2.8742705 × 10^6

Prime Factorization of 28742705

Prime Factorization 5 × 43 × 43 × 3109

Composite number
ω Distinct Factors 3
Total number of distinct prime factors
Ω Total Factors 4
Total number of prime factors
rad Radical 668435
Product of the distinct prime numbers

The prime factorization of 28742705 is 5 × 43 × 43 × 3109. Since it has a total of 4 prime factors.

Most popular turbo-numbers

5, 7, 87, 65, 600, 965, 3921, 4429, 50839, 85774, 480806, 502276, 214620, 3309788, 29175937, 9388728, 698149247, 426005956, 6353435942, 3181892123

Basic calculations (n = 28742705)

Multiplication

n×y
n×2 57485410
n×3 86228115
n×4 114970820
n×5 143713525

Division

n÷y
n÷2 14371352.5
n÷3 9580901.6666667
n÷3 7185676.25
n÷5 5748541

Exponentiation

ny
n2 826143090717025
n3 2.3745587144268E+22
n4 6.8251240633948E+29
n5 1.9617252754256E+37

Nth Root

y√n
2√n 5361.2223419664
3√n 306.32037088971
4√n 73.220368354485
5√n 31.024552612963

Divisors of 28742705

1, 5, 43, 215, 1849, 3109, 9245, 15545, 133687, 668435, 5748541, 28742705

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 -28742704
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 28742705 can be divided by 12 positive divisors. The sum of these divisors (counting 28742705) is 1, the average is 0.083333333333333.

Base conversion 28742705

Base System Value
2 Binary 1101101101001010000110001
3 Ternary 2000002021120122
4 Quaternary 1231221100301
5 Quinary 24324231310
6 Senary 2504020025
8 Octal 155512061
10 Decimal 28742705
12 Duodecimal 9761615
16 Hexadecimal 1b69431
20 Vigesimal 8jcgf5
36 Base36 h420h

Cryptographic Hash Functions

md5 f50322794dfae022129857d6e685884c
sha1 c32d84a3e47c770f9c2a2a2f88b5ace0f1fb339f
sha256 1937007ae3ff65b681810044df99392a8b1979b483b181b5472f760244f3f1eb
sha512 8db147724f04601c117d537ccf5fb98a7375fabb9e27c6bf0e2eb8c222dbcc6e9560d36f671fafa91e178a8882fd431cec4ca5e93f26e01c7e7472bdca437509
ripemd-160 cd616b6b8e48f69dcd8a104be537d7542cf9f5e2

28742705 as geometric shapes

Circle

Radius = n
Diameter 57485410
Circumference 180595741.7446
Area 2.5954050646106E+15

Sphere

Radius = n
Volume 9.946528283681E+22
Surface area 1.0381620258442E+16
Circumference 180595741.7446

Square

Length = n
Perimeter 114970820
Area 826143090717025
Diagonal 40648323.230289

Cube

Length = n
Surface area 4956858544302150
Volume 2.3745587144268E+22
Space diagonal 49783825.406964

Equilateral Triangle

Length = n
Perimeter 86228115
Area 3.5773045186097E+14
Altitude 24891912.703482

Triangular Pyramid

Length = n
Surface area 3.5773045186097E+14
Volume 2.7984442821613E+21
Height 13549441.076763