28707908 (number)

28707908 is an even 8-digits composite number following 28707907 and preceding 28707909. In scientific notation, it is written as 2.8707908 × 10^7. The sum of its digits is 41. It has a total of 4 prime factors and 12 positive divisors. There are 14343240 positive integers (up to 28707908) that are relatively prime to 28707908.

Interesting facts

Basic properties

Name

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

Notation

Scientific notation 2.8707908 × 10^7
Engineering notation 2.8707908 × 10^6

Prime Factorization of 28707908

Prime Factorization 2 × 2 × 2671 × 2687

Composite number
ω Distinct Factors 3
Total number of distinct prime factors
Ω Total Factors 4
Total number of prime factors
rad Radical 14353954
Product of the distinct prime numbers

The prime factorization of 28707908 is 2 × 2 × 2671 × 2687. Since it has a total of 4 prime factors.

Most popular turbo-numbers

1, 4, 100, 49, 673, 655, 5659, 5402, 58564, 33689, 413762, 398506, 5713820, 4609805, 61176714, 87304843, 7239023, 181633524, 6501083196, 7774252317

Basic calculations (n = 28707908)

Multiplication

n×y
n×2 57415816
n×3 86123724
n×4 114831632
n×5 143539540

Division

n÷y
n÷2 14353954
n÷3 9569302.6666667
n÷3 7176977
n÷5 5741581.6

Exponentiation

ny
n2 824143981736464
n3 2.3659449606444E+22
n4 6.7921330263243E+29
n5 1.9498793004348E+37

Nth Root

y√n
2√n 5357.9761104357
3√n 306.1967066504
4√n 73.19819745346
5√n 31.017037074531

Divisors of 28707908

1, 2, 4, 2671, 2687, 5342, 5374, 10684, 10748, 7176977, 14353954, 28707908

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 -28707907
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 28707908 can be divided by 12 positive divisors. The sum of these divisors (counting 28707908) is 1, the average is 0.083333333333333.

Base conversion 28707908

Base System Value
2 Binary 1101101100000110001000100
3 Ternary 2000000111211212
4 Quaternary 1231200301010
5 Quinary 24322123113
6 Senary 2503150552
8 Octal 155406104
10 Decimal 28707908
12 Duodecimal 9745458
16 Hexadecimal 1b60c44
20 Vigesimal 8j89f8
36 Base36 h3b5w

Cryptographic Hash Functions

md5 87f5bc406a15edcd40062c2bf7e73b5e
sha1 e399ed6a0b89f032f93cc37597c110e52f3f6ce1
sha256 fbb0688fa0fc7363639f953fd021399e73a16fcf2c52f7117e0fa2f0ae7a4d4f
sha512 b14876024fc61c24586c8543b7485f90c83ac3279ee53b055e2d9c7700d319366ded9853206322d5b5a77044d02f0e2e791d1322783dd7599e3600ada15ff595
ripemd-160 62268415cd9a8eb27e0799579f64d3e4992c36ec

28707908 as geometric shapes

Circle

Radius = n
Diameter 57415816
Circumference 180377105.74546
Area 2.5891246785235E+15

Sphere

Radius = n
Volume 9.910447076211E+22
Surface area 1.0356498714094E+16
Circumference 180377105.74546

Square

Length = n
Perimeter 114831632
Area 824143981736464
Diagonal 40599112.840959

Cube

Length = n
Surface area 4944863890418784
Volume 2.3659449606444E+22
Space diagonal 49723555.235013

Equilateral Triangle

Length = n
Perimeter 86123724
Area 3.5686481227992E+14
Altitude 24861777.617507

Triangular Pyramid

Length = n
Surface area 3.5686481227992E+14
Volume 2.7882928759763E+21
Height 13533037.613653