28807730 (number)

28807730 is an even 8-digits composite number following 28807729 and preceding 28807731. In scientific notation, it is written as 2.8807730 × 10^7. The sum of its digits is 35. It has a total of 6 prime factors and 64 positive divisors. There are 9106944 positive integers (up to 28807730) that are relatively prime to 28807730.

Interesting facts

Basic properties

Name

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

Notation

Scientific notation 2.8807730 × 10^7
Engineering notation 2.8807730 × 10^6

Prime Factorization of 28807730

Prime Factorization 2 × 5 × 7 × 23 × 29 × 617

Composite number
ω Distinct Factors 6
Total number of distinct prime factors
Ω Total Factors 6
Total number of prime factors
rad Radical 28807730
Product of the distinct prime numbers

The prime factorization of 28807730 is 2 × 5 × 7 × 23 × 29 × 617. Since it has a total of 6 prime factors.

Most popular turbo-numbers

Basic calculations (n = 28807730)

Multiplication

n×y
n×2 57615460
n×3 86423190
n×4 115230920
n×5 144038650

Division

n÷y
n÷2 14403865
n÷3 9602576.6666667
n÷3 7201932.5
n÷5 5761546

Exponentiation

ny
n2 829885307752900
n3 2.3907111876712E+22
n4 6.8870962402413E+29
n5 1.9840160897289E+37

Nth Root

y√n
2√n 5367.2832979078
3√n 306.55119444827
4√n 73.261745119181
5√n 31.038577378115

Divisors of 28807730

64 divisors

τ Total Divisors 64
Total number of the positive divisors of n
σ Sum of Divisors 1
Sum of all the positive divisors of n
s Aliquot Sum -28807729
Sum of the proper positive divisors of n
A Arithmetic Mean 0.015625
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 64
Returns the total number of divisors (τ(n)) divided by the sum of the reciprocal of each divisors

The number 28807730 can be divided by 64 positive divisors. The sum of these divisors (counting 28807730) is 1, the average is 0.015625.

Base conversion 28807730

Base System Value
2 Binary 1101101111001001000110010
3 Ternary 2000012120202222
4 Quaternary 1231321020302
5 Quinary 24333321410
6 Senary 2505241042
8 Octal 155711062
10 Decimal 28807730
12 Duodecimal 9793182
16 Hexadecimal 1b79232
20 Vigesimal 900j6a
36 Base36 h5g6q

Cryptographic Hash Functions

md5 70ad13e5ba2918a386d60c3309899c99
sha1 e1d8d9b031038072a7526176c23a971e1d478b3c
sha256 de3d46a432e136c24806858bc173fc48cb146bc8e97effec1d324aefe94b0c29
sha512 01224ce69fc844f16a9bd94039645f07a939c3079030d243e78da2a2fd36c610cf2a6e9aef00f18d2122cbae5f10bb5dead9ff97a97133f90f4cffb786386412
ripemd-160 7a8d751eb4b67aa92c35c99f5826a89efffb88c3

28807730 as geometric shapes

Circle

Radius = n
Diameter 57615460
Circumference 181004305.8692
Area 2.6071615861586E+15

Sphere

Radius = n
Volume 1.0014187605391E+23
Surface area 1.0428646344634E+16
Circumference 181004305.8692

Square

Length = n
Perimeter 115230920
Area 829885307752900
Diagonal 40740282.467182

Cube

Length = n
Surface area 4979311846517400
Volume 2.3907111876712E+22
Space diagonal 49896452.010726

Equilateral Triangle

Length = n
Perimeter 86423190
Area 3.5935087937074E+14
Altitude 24948226.005363

Triangular Pyramid

Length = n
Surface area 3.5935087937074E+14
Volume 2.8174801544348E+21
Height 13580094.155727