28307445 (number)

28307445 is an odd 8-digits composite number following 28307444 and preceding 28307446. In scientific notation, it is written as 2.8307445 × 10^7. The sum of its digits is 33. It has a total of 4 prime factors and 16 positive divisors. There are 15067584 positive integers (up to 28307445) that are relatively prime to 28307445.

Interesting facts

Basic properties

Name

Name twenty-eight million three hundred seven thousand four hundred forty-five

Notation

Scientific notation 2.8307445 × 10^7
Engineering notation 2.8307445 × 10^6

Prime Factorization of 28307445

Prime Factorization 5 × 3 × 607 × 3109

Composite number
ω Distinct Factors 4
Total number of distinct prime factors
Ω Total Factors 4
Total number of prime factors
rad Radical 28307445
Product of the distinct prime numbers

The prime factorization of 28307445 is 5 × 3 × 607 × 3109. Since it has a total of 4 prime factors.

Most popular turbo-numbers

6, 9, 79, 31, 871, 350, 8001, 7825, 97933, 44080, 175530, 620074, 4348970, 5895045, 92529189, 23941923, 231028861, 815398300, 362655838, 1086437501

Basic calculations (n = 28307445)

Multiplication

n×y
n×2 56614890
n×3 84922335
n×4 113229780
n×5 141537225

Division

n÷y
n÷2 14153722.5
n÷3 9435815
n÷3 7076861.25
n÷5 5661489

Exponentiation

ny
n2 801311442428025
n3 2.2683079584402E+22
n4 6.4210002776608E+29
n5 1.8176211220487E+37

Nth Root

y√n
2√n 5320.4741330073
3√n 304.76626363472
4√n 72.941580274952
5√n 30.930015271602

Divisors of 28307445

1, 3, 5, 15, 607, 1821, 3035, 3109, 9105, 9327, 15545, 46635, 1887163, 5661489, 9435815, 28307445

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 -28307444
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 28307445 can be divided by 16 positive divisors. The sum of these divisors (counting 28307445) is 1, the average is 0.0625.

Base conversion 28307445

Base System Value
2 Binary 1101011111110111111110101
3 Ternary 1222021011111220
4 Quaternary 1223332333311
5 Quinary 24221314240
6 Senary 2450420553
8 Octal 153767765
10 Decimal 28307445
12 Duodecimal 9591759
16 Hexadecimal 1afeff5
20 Vigesimal 8gi8c5
36 Base36 guq5x

Cryptographic Hash Functions

md5 b81c4dbd458b41ca38d042a5e49b8a26
sha1 554cf80f2aebe8cf07a91c2ac03314cbfc16d4ce
sha256 44145f6fbdc5fa80cae11902deffec6b63658c5cfc437cd37d650ed3fde41e31
sha512 bc0b1ecfde3a80ee2f9c75d33d25016abb42f59c19186e5a3132eba39d364f591550ab95f6f35066eda55db7a968c71852a4204c14a95f0cc0ce83819c2c2144
ripemd-160 9b5c5de17b10a78e91ea23b9fb8e28487f51f8e7

28307445 as geometric shapes

Circle

Radius = n
Diameter 56614890
Circumference 177860922.50779
Area 2.5173941407693E+15

Sphere

Radius = n
Volume 9.5014661577533E+22
Surface area 1.0069576563077E+16
Circumference 177860922.50779

Square

Length = n
Perimeter 113229780
Area 801311442428025
Diagonal 40032772.63513

Cube

Length = n
Surface area 4807868654568150
Volume 2.2683079584402E+22
Space diagonal 49029932.972462

Equilateral Triangle

Length = n
Perimeter 84922335
Area 3.4697803274291E+14
Altitude 24514966.486231

Triangular Pyramid

Length = n
Surface area 3.4697803274291E+14
Volume 2.6732265653875E+21
Height 13344257.545043