28013531 (number)

28013531 is an odd 8-digits composite number following 28013530 and preceding 28013532. In scientific notation, it is written as 2.8013531 × 10^7. The sum of its digits is 23. It has a total of 4 prime factors and 16 positive divisors. There are 21855744 positive integers (up to 28013531) that are relatively prime to 28013531.

Interesting facts

Basic properties

Name

Name twenty-eight million thirteen thousand five hundred thirty-one

Notation

Scientific notation 2.8013531 × 10^7
Engineering notation 2.8013531 × 10^6

Prime Factorization of 28013531

Prime Factorization 13 × 73 × 7 × 4217

Composite number
ω Distinct Factors 4
Total number of distinct prime factors
Ω Total Factors 4
Total number of prime factors
rad Radical 28013531
Product of the distinct prime numbers

The prime factorization of 28013531 is 13 × 73 × 7 × 4217. Since it has a total of 4 prime factors.

Most popular turbo-numbers

5, 7, 27, 62, 296, 605, 9829, 5837, 75519, 98105, 936662, 234639, 6059998, 3269271, 57836598, 76250969, 784791463, 331020717, 2773260686, 5891377735

Basic calculations (n = 28013531)

Multiplication

n×y
n×2 56027062
n×3 84040593
n×4 112054124
n×5 140067655

Division

n÷y
n÷2 14006765.5
n÷3 9337843.6666667
n÷3 7003382.75
n÷5 5602706.2

Exponentiation

ny
n2 784757919087961
n3 2.1983840293866E+22
n4 6.1584499157127E+29
n5 1.7251992762576E+37

Nth Root

y√n
2√n 5292.7810270216
3√n 303.70780369774
4√n 72.751501888426
5√n 30.86551805598

Divisors of 28013531

1, 7, 13, 73, 91, 511, 949, 4217, 6643, 29519, 54821, 307841, 383747, 2154887, 4001933, 28013531

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 -28013530
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 28013531 can be divided by 16 positive divisors. The sum of these divisors (counting 28013531) is 1, the average is 0.0625.

Base conversion 28013531

Base System Value
2 Binary 1101010110111001111011011
3 Ternary 1221201020100012
4 Quaternary 1222313033123
5 Quinary 24132413111
6 Senary 2440232135
8 Octal 152671733
10 Decimal 28013531
12 Duodecimal 946b64b
16 Hexadecimal 1ab73db
20 Vigesimal 8f1dgb
36 Base36 gofdn

Cryptographic Hash Functions

md5 1e78facff1b0b219376676455187165b
sha1 e0ef8b04deccb9da3b64d97d19cad74ca3ad6f5f
sha256 6595251cf77f6fde7d4fe1b7c2a02b9241cc2f8308137131d018c3c429417872
sha512 949a9002b9b450fdae1bebe593c6e28774b19c92f128d2494ae5ff00a97b423ffd23905c1e28c13f188a802db048a9c693e683560a2b19393c601d69484ed2d3
ripemd-160 b4f685b39aef869fc5b753a63e6eaa2ced0e002d

28013531 as geometric shapes

Circle

Radius = n
Diameter 56027062
Circumference 176014206.38142
Area 2.4653897134532E+15

Sphere

Radius = n
Volume 9.2085694886535E+22
Surface area 9.8615588538126E+15
Circumference 176014206.38142

Square

Length = n
Perimeter 112054124
Area 784757919087961
Diagonal 39617115.470159

Cube

Length = n
Surface area 4708547514527766
Volume 2.1983840293866E+22
Space diagonal 48520858.991406

Equilateral Triangle

Length = n
Perimeter 84040593
Area 3.3981014687559E+14
Altitude 24260429.495703

Triangular Pyramid

Length = n
Surface area 3.3981014687559E+14
Volume 2.5908204247191E+21
Height 13205705.15672