28013868 (number)

28013868 is an even 8-digits composite number following 28013867 and preceding 28013869. In scientific notation, it is written as 2.8013868 × 10^7. The sum of its digits is 36. It has a total of 4 prime factors and 12 positive divisors. There are 9337944 positive integers (up to 28013868) that are relatively prime to 28013868.

Interesting facts

Basic properties

Name

Name twenty-eight million thirteen thousand eight hundred sixty-eight

Notation

Scientific notation 2.8013868 × 10^7
Engineering notation 2.8013868 × 10^6

Prime Factorization of 28013868

Prime Factorization 2 × 2 × 9 × 778163

Composite number
ω Distinct Factors 3
Total number of distinct prime factors
Ω Total Factors 4
Total number of prime factors
rad Radical 14006934
Product of the distinct prime numbers

The prime factorization of 28013868 is 2 × 2 × 9 × 778163. Since it has a total of 4 prime factors.

Most popular turbo-numbers

9, 9, 23, 24, 338, 363, 2140, 3630, 86905, 76253, 569332, 308607, 4216541, 7395774, 32119541, 33143770, 101298387, 497848336, 4497901570, 4842118892

Basic calculations (n = 28013868)

Multiplication

n×y
n×2 56027736
n×3 84041604
n×4 112055472
n×5 140069340

Division

n÷y
n÷2 14006934
n÷3 9337956
n÷3 7003467
n÷5 5602773.6

Exponentiation

ny
n2 784776800321424
n3 2.1984633693667E+22
n4 6.1587462632273E+29
n5 1.7253030486354E+37

Nth Root

y√n
2√n 5292.8128627413
3√n 303.70902155111
4√n 72.751720685777
5√n 30.865592317447

Divisors of 28013868

1, 2, 4, 9, 18, 36, 778163, 1556326, 3112652, 7003467, 14006934, 28013868

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 -28013867
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 28013868 can be divided by 12 positive divisors. The sum of these divisors (counting 28013868) is 1, the average is 0.083333333333333.

Base conversion 28013868

Base System Value
2 Binary 1101010110111010100101100
3 Ternary 1221201020210200
4 Quaternary 1222313110230
5 Quinary 24132420433
6 Senary 2440233500
8 Octal 152672454
10 Decimal 28013868
12 Duodecimal 946b890
16 Hexadecimal 1ab752c
20 Vigesimal 8f1ed8
36 Base36 gofn0

Cryptographic Hash Functions

md5 78d19a9aaea09c85f555c6263991b6c7
sha1 c3298fefb9829df758d7aee0199089ca5019eefb
sha256 410a61a72ad9923847a724870e14e2b91cdfb67738869e90bde7fe47b0e27baa
sha512 2190df5d60d89c617c3c1c95a9c79d89f93d7f38e0107977b6cab5b55436b006a124d29fbbf837222a4b941b99decf3e1fdda26d88c1b1aa0184efbfd409fccb
ripemd-160 a0e9f8691c7c8b49f7aabaf5b566c97bd55e3325

28013868 as geometric shapes

Circle

Radius = n
Diameter 56027736
Circumference 176016323.81487
Area 2.4654490305975E+15

Sphere

Radius = n
Volume 9.2089018271848E+22
Surface area 9.86179612239E+15
Circumference 176016323.81487

Square

Length = n
Perimeter 112055472
Area 784776800321424
Diagonal 39617592.06013

Cube

Length = n
Surface area 4708660801928544
Volume 2.1984633693667E+22
Space diagonal 48521442.692528

Equilateral Triangle

Length = n
Perimeter 84041604
Area 3.3981832268951E+14
Altitude 24260721.346264

Triangular Pyramid

Length = n
Surface area 3.3981832268951E+14
Volume 2.5909139277823E+21
Height 13205864.020043