28307730 (number)

28307730 is an even 8-digits composite number following 28307729 and preceding 28307731. In scientific notation, it is written as 2.8307730 × 10^7. The sum of its digits is 30. It has a total of 4 prime factors and 16 positive divisors. There are 6862400 positive integers (up to 28307730) that are relatively prime to 28307730.

Interesting facts

Basic properties

Name

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

Notation

Scientific notation 2.8307730 × 10^7
Engineering notation 2.8307730 × 10^6

Prime Factorization of 28307730

Prime Factorization 2 × 3 × 55 × 85781

Composite number
ω Distinct Factors 4
Total number of distinct prime factors
Ω Total Factors 4
Total number of prime factors
rad Radical 28307730
Product of the distinct prime numbers

The prime factorization of 28307730 is 2 × 3 × 55 × 85781. Since it has a total of 4 prime factors.

Most popular turbo-numbers

8, 5, 33, 53, 374, 460, 4963, 842, 44472, 34624, 406419, 537284, 9186026, 3492774, 56810998, 52155476, 36121483, 104133899, 7043914916, 5913104727

Basic calculations (n = 28307730)

Multiplication

n×y
n×2 56615460
n×3 84923190
n×4 113230920
n×5 141538650

Division

n÷y
n÷2 14153865
n÷3 9435910
n÷3 7076932.5
n÷5 5661546

Exponentiation

ny
n2 801327577752900
n3 2.2683764712583E+22
n4 6.4212588686733E+29
n5 1.8177126231451E+37

Nth Root

y√n
2√n 5320.5009162672
3√n 304.76728642918
4√n 72.941763868631
5√n 30.930077552171

Divisors of 28307730

1, 2, 3, 6, 55, 110, 165, 330, 85781, 171562, 257343, 514686, 4717955, 9435910, 14153865, 28307730

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 -28307729
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 28307730 can be divided by 16 positive divisors. The sum of these divisors (counting 28307730) is 1, the average is 0.0625.

Base conversion 28307730

Base System Value
2 Binary 1101011111111000100010010
3 Ternary 1222021011220110
4 Quaternary 1223333010102
5 Quinary 24221321410
6 Senary 2450422150
8 Octal 153770422
10 Decimal 28307730
12 Duodecimal 9591956
16 Hexadecimal 1aff112
20 Vigesimal 8gi96a
36 Base36 guqdu

Cryptographic Hash Functions

md5 3239826b330fc1992c19f79a56f432a8
sha1 293ba98ab4720c013245af8c6330e66b821650d8
sha256 dd43f83c95915278ae5ffa57863ce5bbcfeca1429023583fca1d52d31b6f43c2
sha512 5eec193c368e627613e97c83b5002ce91c0fd301119d705c5ad629fbb1aae7206d6415d703571461c9d0715849e4c11ffb2d8333baad21892927401f7f9ea9a6
ripemd-160 59711190cdb666cb972f29d52fa53a2d4b31b54c

28307730 as geometric shapes

Circle

Radius = n
Diameter 56615460
Circumference 177862713.21561
Area 2.5174448313874E+15

Sphere

Radius = n
Volume 9.5017531435747E+22
Surface area 1.006977932555E+16
Circumference 177862713.21561

Square

Length = n
Perimeter 113230920
Area 801327577752900
Diagonal 40033175.685996

Cube

Length = n
Surface area 4807965466517400
Volume 2.2683764712583E+22
Space diagonal 49030426.606942

Equilateral Triangle

Length = n
Perimeter 84923190
Area 3.4698501954353E+14
Altitude 24515213.303471

Triangular Pyramid

Length = n
Surface area 3.4698501954353E+14
Volume 2.6733073085179E+21
Height 13344391.895332