28306538 (number)

28306538 is an even 8-digits composite number following 28306537 and preceding 28306539. In scientific notation, it is written as 2.8306538 × 10^7. The sum of its digits is 35. It has a total of 4 prime factors and 16 positive divisors. There are 12994560 positive integers (up to 28306538) that are relatively prime to 28306538.

Interesting facts

Basic properties

Name

Name twenty-eight million three hundred six thousand five hundred thirty-eight

Notation

Scientific notation 2.8306538 × 10^7
Engineering notation 2.8306538 × 10^6

Prime Factorization of 28306538

Prime Factorization 2 × 13 × 193 × 5641

Composite number
ω Distinct Factors 4
Total number of distinct prime factors
Ω Total Factors 4
Total number of prime factors
rad Radical 28306538
Product of the distinct prime numbers

The prime factorization of 28306538 is 2 × 13 × 193 × 5641. Since it has a total of 4 prime factors.

Most popular turbo-numbers

7, 7, 9, 4, 8, 178, 9077, 9128, 3718, 20321, 767319, 320006, 3112309, 8539996, 52557843, 98549356, 532203975, 466391550, 1798171237, 8014297423

Basic calculations (n = 28306538)

Multiplication

n×y
n×2 56613076
n×3 84919614
n×4 113226152
n×5 141532690

Division

n÷y
n÷2 14153269
n÷3 9435512.6666667
n÷3 7076634.5
n÷5 5661307.6

Exponentiation

ny
n2 801260093545444
n3 2.2680899285828E+22
n4 6.4201773750845E+29
n5 1.8173299483457E+37

Nth Root

y√n
2√n 5320.3888955602
3√n 304.76300859053
4√n 72.940995986895
5√n 30.929817063085

Divisors of 28306538

1, 2, 13, 26, 193, 386, 2509, 5018, 5641, 11282, 73333, 146666, 1088713, 2177426, 14153269, 28306538

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 -28306537
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 28306538 can be divided by 16 positive divisors. The sum of these divisors (counting 28306538) is 1, the average is 0.0625.

Base conversion 28306538

Base System Value
2 Binary 1101011111110110001101010
3 Ternary 1222021010021022
4 Quaternary 1223332301222
5 Quinary 24221302123
6 Senary 2450412442
8 Octal 153766152
10 Decimal 28306538
12 Duodecimal 9591122
16 Hexadecimal 1afec6a
20 Vigesimal 8gi66i
36 Base36 gupgq

Cryptographic Hash Functions

md5 4edc798ad7c824d2b217dec89c856d52
sha1 75b058ee80e5596dbfddab3c6b971c7e236f148b
sha256 75758ce8fe96190e9f0f6768dafaebaf27603c318437735f4d38db77764bdbba
sha512 29061762e2634fc0cc2d76a8f9626a531f3603b8d134b48cbe4ebcefd5926b66b3c15221f3a9196e3a941712538a6d5cc0ad3b5ee9146c8659eaac81f45315c4
ripemd-160 9fece0db017bac638a858ed07165c5c5113f0c37

28306538 as geometric shapes

Circle

Radius = n
Diameter 56613076
Circumference 177855223.65872
Area 2.517232823497E+15

Sphere

Radius = n
Volume 9.5005528764222E+22
Surface area 1.0068931293988E+16
Circumference 177855223.65872

Square

Length = n
Perimeter 113226152
Area 801260093545444
Diagonal 40031489.943429

Cube

Length = n
Surface area 4807560561272664
Volume 2.2680899285828E+22
Space diagonal 49028362.002379

Equilateral Triangle

Length = n
Perimeter 84919614
Area 3.4695579802453E+14
Altitude 24514181.00119

Triangular Pyramid

Length = n
Surface area 3.4695579802453E+14
Volume 2.6729696147363E+21
Height 13343829.981143