28261390 (number)

28261390 is an even 8-digits composite number following 28261389 and preceding 28261391. In scientific notation, it is written as 2.8261390 × 10^7. The sum of its digits is 31. It has a total of 4 prime factors and 16 positive divisors. There are 11289600 positive integers (up to 28261390) that are relatively prime to 28261390.

Interesting facts

Basic properties

Name

Name twenty-eight million two hundred sixty-one thousand three hundred ninety

Notation

Scientific notation 2.8261390 × 10^7
Engineering notation 2.8261390 × 10^6

Prime Factorization of 28261390

Prime Factorization 2 × 5 × 1051 × 2689

Composite number
ω Distinct Factors 4
Total number of distinct prime factors
Ω Total Factors 4
Total number of prime factors
rad Radical 28261390
Product of the distinct prime numbers

The prime factorization of 28261390 is 2 × 5 × 1051 × 2689. Since it has a total of 4 prime factors.

Most popular turbo-numbers

Basic calculations (n = 28261390)

Multiplication

n×y
n×2 56522780
n×3 84784170
n×4 113045560
n×5 141306950

Division

n÷y
n÷2 14130695
n÷3 9420463.3333333
n÷3 7065347.5
n÷5 5652278

Exponentiation

ny
n2 798706164732100
n3 2.2572546416898E+22
n4 6.3793153758106E+29
n5 1.8028831976878E+37

Nth Root

y√n
2√n 5316.1442794567
3√n 304.6008933684
4√n 72.911893950553
5√n 30.919944353597

Divisors of 28261390

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 -28261389
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 28261390 can be divided by 16 positive divisors. The sum of these divisors (counting 28261390) is 1, the average is 0.0625.

Base conversion 28261390

Base System Value
2 Binary 1101011110011110000001110
3 Ternary 1222011211100011
4 Quaternary 1223303300032
5 Quinary 24213331030
6 Senary 2445423434
8 Octal 153636016
10 Decimal 28261390
12 Duodecimal 956ab7a
16 Hexadecimal 1af3c0e
20 Vigesimal 8gcd9a
36 Base36 gtqmm

Cryptographic Hash Functions

md5 2bd2a25852b3925196b39e96d3641dec
sha1 0fa1692ffac09654b21b8f4b6360dc86cd053967
sha256 53d246ffec191e43abdbf98dde4582b0e7d89d6348228e382a96e352c7536ef9
sha512 0d6e34b27448a48eebe794b5366b4c2940282bc938735679575c66d7224eeeae1236bbf1fa2a0e2a2d516e171198719a1694b5c39fa56094702d57d7f0fc7793
ripemd-160 ec862548660337d0026883a2de2bb20b1c15b451

28261390 as geometric shapes

Circle

Radius = n
Diameter 56522780
Circumference 177571550.40847
Area 2.5092094194992E+15

Sphere

Radius = n
Volume 9.4551661328189E+22
Surface area 1.0036837677997E+16
Circumference 177571550.40847

Square

Length = n
Perimeter 113045560
Area 798706164732100
Diagonal 39967641.029515

Cube

Length = n
Surface area 4792236988392600
Volume 2.2572546416898E+22
Space diagonal 48950163.372519

Equilateral Triangle

Length = n
Perimeter 84784170
Area 3.4584991440862E+14
Altitude 24475081.686259

Triangular Pyramid

Length = n
Surface area 3.4584991440862E+14
Volume 2.6602001066728E+21
Height 13322547.009838