28013409 (number)

28013409 is an odd 8-digits composite number following 28013408 and preceding 28013410. In scientific notation, it is written as 2.8013409 × 10^7. The sum of its digits is 27. It has a total of 4 prime factors and 12 positive divisors. There are 18653400 positive integers (up to 28013409) that are relatively prime to 28013409.

Interesting facts

Basic properties

Name

Name twenty-eight million thirteen thousand four hundred nine

Notation

Scientific notation 2.8013409 × 10^7
Engineering notation 2.8013409 × 10^6

Prime Factorization of 28013409

Prime Factorization 3 × 3 × 1291 × 2411

Composite number
ω Distinct Factors 3
Total number of distinct prime factors
Ω Total Factors 4
Total number of prime factors
rad Radical 9337803
Product of the distinct prime numbers

The prime factorization of 28013409 is 3 × 3 × 1291 × 2411. Since it has a total of 4 prime factors.

Most popular turbo-numbers

Basic calculations (n = 28013409)

Multiplication

n×y
n×2 56026818
n×3 84040227
n×4 112053636
n×5 140067045

Division

n÷y
n÷2 14006704.5
n÷3 9337803
n÷3 7003352.25
n÷5 5602681.8

Exponentiation

ny
n2 784751083801281
n3 2.1983553073719E+22
n4 6.1583426352729E+29
n5 1.7251617100404E+37

Nth Root

y√n
2√n 5292.7695018771
3√n 303.70736281073
4√n 72.751422679402
5√n 30.865491171831

Divisors of 28013409

12 divisors

τ Total Divisors 12
Total number of the positive divisors of n
σ Sum of Divisors 1
Sum of all the positive divisors of n
s Aliquot Sum -28013408
Sum of the proper positive divisors of n
A Arithmetic Mean 0.083333333333333
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 12
Returns the total number of divisors (τ(n)) divided by the sum of the reciprocal of each divisors

The number 28013409 can be divided by 12 positive divisors. The sum of these divisors (counting 28013409) is 1, the average is 0.083333333333333.

Base conversion 28013409

Base System Value
2 Binary 1101010110111001101100001
3 Ternary 1221201020011200
4 Quaternary 1222313031201
5 Quinary 24132412114
6 Senary 2440231413
8 Octal 152671541
10 Decimal 28013409
12 Duodecimal 946b569
16 Hexadecimal 1ab7361
20 Vigesimal 8f1da9
36 Base36 gofa9

Cryptographic Hash Functions

md5 54fc6d3ba1bcaac6dce89f929c004043
sha1 eab356031f28601d86d431dee5c4bb6eba76565d
sha256 3557727427b29fe4acc189c7f16b0a7e619af5ea1653882c66e1971c0a80d308
sha512 5881090152a0ba6ac3035e30c73636c8a70299805f1e5d244128c1fc9a9405b519ae6ce560d81985d6a20333d8b59b9da450851c215267b5eb48cbb1aa86ef15
ripemd-160 2c965a16ce6e67f3777c17a65e3d95b598f83016

28013409 as geometric shapes

Circle

Radius = n
Diameter 56026818
Circumference 176013439.83281
Area 2.4653682397667E+15

Sphere

Radius = n
Volume 9.2084491781594E+22
Surface area 9.8614729590669E+15
Circumference 176013439.83281

Square

Length = n
Perimeter 112053636
Area 784751083801281
Diagonal 39616942.936105

Cube

Length = n
Surface area 4708506502807686
Volume 2.1983553073719E+22
Space diagonal 48520647.681207

Equilateral Triangle

Length = n
Perimeter 84040227
Area 3.3980718710964E+14
Altitude 24260323.840604

Triangular Pyramid

Length = n
Surface area 3.3980718710964E+14
Volume 2.5907865755001E+21
Height 13205647.645368