28013869 (number)

28013869 is an odd 8-digits composite number following 28013868 and preceding 28013870. In scientific notation, it is written as 2.8013869 × 10^7. The sum of its digits is 37. It has a total of 2 prime factors and 4 positive divisors. There are 25858944 positive integers (up to 28013869) that are relatively prime to 28013869.

Interesting facts

Basic properties

Name

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

Notation

Scientific notation 2.8013869 × 10^7
Engineering notation 2.8013869 × 10^6

Prime Factorization of 28013869

Prime Factorization 13 × 2154913

Composite number
ω Distinct Factors 2
Total number of distinct prime factors
Ω Total Factors 2
Total number of prime factors
rad Radical 28013869
Product of the distinct prime numbers

The prime factorization of 28013869 is 13 × 2154913. Since it has a total of 2 prime factors.

Most popular turbo-numbers

Basic calculations (n = 28013869)

Multiplication

n×y
n×2 56027738
n×3 84041607
n×4 112055476
n×5 140069345

Division

n÷y
n÷2 14006934.5
n÷3 9337956.3333333
n÷3 7003467.25
n÷5 5602773.8

Exponentiation

ny
n2 784776856349161
n3 2.1984636047997E+22
n4 6.1587471426127E+29
n5 1.7253033565728E+37

Nth Root

y√n
2√n 5292.812957209
3√n 303.70902516491
4√n 72.751721335024
5√n 30.865592537807

Divisors of 28013869

4 divisors

τ Total Divisors 4
Total number of the positive divisors of n
σ Sum of Divisors 1
Sum of all the positive divisors of n
s Aliquot Sum -28013868
Sum of the proper positive divisors of n
A Arithmetic Mean 0.25
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 4
Returns the total number of divisors (τ(n)) divided by the sum of the reciprocal of each divisors

The number 28013869 can be divided by 4 positive divisors. The sum of these divisors (counting 28013869) is 1, the average is 0.25.

Base conversion 28013869

Base System Value
2 Binary 1101010110111010100101101
3 Ternary 1221201020210201
4 Quaternary 1222313110231
5 Quinary 24132420434
6 Senary 2440233501
8 Octal 152672455
10 Decimal 28013869
12 Duodecimal 946b891
16 Hexadecimal 1ab752d
20 Vigesimal 8f1ed9
36 Base36 gofn1

Cryptographic Hash Functions

md5 cfc6376e603dd7cfbb90b5e2e64b9b19
sha1 855a8b2ad238c485e5f248b470006a04be2f08f4
sha256 3097b51d20c776ea2c25b417edd76447b425f252c6d885e23f5aeb6e778bc5f3
sha512 72affad339df52e958fff6199e97bc77647a4f27809213df733b0e12f6edd64bc3b115564d7a8a6b6cdfbef5e6a9e4bfff32f77bb3b7585df9de3a0258edface
ripemd-160 9900d124a77d7f09e5c572fd308c872640b22465

28013869 as geometric shapes

Circle

Radius = n
Diameter 56027738
Circumference 176016330.09805
Area 2.4654492066138E+15

Sphere

Radius = n
Volume 9.2089028133645E+22
Surface area 9.8617968264553E+15
Circumference 176016330.09805

Square

Length = n
Perimeter 112055476
Area 784776856349161
Diagonal 39617593.474343

Cube

Length = n
Surface area 4708661138094966
Volume 2.1984636047997E+22
Space diagonal 48521444.424579

Equilateral Triangle

Length = n
Perimeter 84041607
Area 3.3981834695023E+14
Altitude 24260722.212289

Triangular Pyramid

Length = n
Surface area 3.3981834695023E+14
Volume 2.5909142052428E+21
Height 13205864.491448