28742709 (number)

28742709 is an odd 8-digits composite number following 28742708 and preceding 28742710. In scientific notation, it is written as 2.8742709 × 10^7. The sum of its digits is 39. It has a total of 4 prime factors and 16 positive divisors. There are 17936688 positive integers (up to 28742709) that are relatively prime to 28742709.

Interesting facts

Basic properties

Name

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

Notation

Scientific notation 2.8742709 × 10^7
Engineering notation 2.8742709 × 10^6

Prime Factorization of 28742709

Prime Factorization 3 × 23 × 47 × 8863

Composite number
ω Distinct Factors 4
Total number of distinct prime factors
Ω Total Factors 4
Total number of prime factors
rad Radical 28742709
Product of the distinct prime numbers

The prime factorization of 28742709 is 3 × 23 × 47 × 8863. Since it has a total of 4 prime factors.

Most popular turbo-numbers

2, 8, 3, 99, 666, 39, 7166, 4477, 39315, 46259, 985890, 709054, 3050279, 4344282, 78506693, 93875022, 938808105, 557082840, 1433077835, 2810412749

Basic calculations (n = 28742709)

Multiplication

n×y
n×2 57485418
n×3 86228127
n×4 114970836
n×5 143713545

Division

n÷y
n÷2 14371354.5
n÷3 9580903
n÷3 7185677.25
n÷5 5748541.8

Exponentiation

ny
n2 826143320658681
n3 2.3745597057986E+22
n4 6.8251278626895E+29
n5 1.9617266404508E+37

Nth Root

y√n
2√n 5361.2227150157
3√n 306.32038509948
4√n 73.220370901926
5√n 31.024553476474

Divisors of 28742709

1, 3, 23, 47, 69, 141, 1081, 3243, 8863, 26589, 203849, 416561, 611547, 1249683, 9580903, 28742709

16 divisors

τ Total Divisors 16
Total number of the positive divisors of n
σ Sum of Divisors 1
Sum of all the positive divisors of n
s Aliquot Sum -28742708
Sum of the proper positive divisors of n
A Arithmetic Mean 0.0625
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 16
Returns the total number of divisors (τ(n)) divided by the sum of the reciprocal of each divisors

The number 28742709 can be divided by 16 positive divisors. The sum of these divisors (counting 28742709) is 1, the average is 0.0625.

Base conversion 28742709

Base System Value
2 Binary 1101101101001010000110101
3 Ternary 2000002021120210
4 Quaternary 1231221100311
5 Quinary 24324231314
6 Senary 2504020033
8 Octal 155512065
10 Decimal 28742709
12 Duodecimal 9761619
16 Hexadecimal 1b69435
20 Vigesimal 8jcgf9
36 Base36 h420l

Cryptographic Hash Functions

md5 5c89c84281e23d349dc53edf8d9b6527
sha1 8d6c0254d43de6fdf3e8601bcf70e0db4557360b
sha256 05ac1bb783317fac3fd16e1141e1a57fe828343e7af5679b06901966e4221304
sha512 eed95c5964f0088d0c2c619c768889470dcc925e35f22abb32b08d2b2b352bdabb2ccbdbf66b3d1abe07cfc0d6ed466781b4625251dd531622fc5e87d51d785b
ripemd-160 950082e036eed59d656882882514958f64203e16

28742709 as geometric shapes

Circle

Radius = n
Diameter 57485418
Circumference 180595766.87734
Area 2.5954057869936E+15

Sphere

Radius = n
Volume 9.9465324363297E+22
Surface area 1.0381623147974E+16
Circumference 180595766.87734

Square

Length = n
Perimeter 114970836
Area 826143320658681
Diagonal 40648328.887143

Cube

Length = n
Surface area 4956859923952086
Volume 2.3745597057986E+22
Space diagonal 49783832.335167

Equilateral Triangle

Length = n
Perimeter 86228127
Area 3.5773055142863E+14
Altitude 24891916.167584

Triangular Pyramid

Length = n
Surface area 3.5773055142863E+14
Volume 2.7984454505042E+21
Height 13549442.962381