28018839 (number)

28018839 is an odd 8-digits composite number following 28018838 and preceding 28018840. In scientific notation, it is written as 2.8018839 × 10^7. The sum of its digits is 39. It has a total of 5 prime factors and 16 positive divisors. There are 17571200 positive integers (up to 28018839) that are relatively prime to 28018839.

Interesting facts

Basic properties

Name

Name twenty-eight million eighteen thousand eight hundred thirty-nine

Notation

Scientific notation 2.8018839 × 10^7
Engineering notation 2.8018839 × 10^6

Prime Factorization of 28018839

Prime Factorization 3 × 17 × 17 × 17 × 1901

Composite number
ω Distinct Factors 3
Total number of distinct prime factors
Ω Total Factors 5
Total number of prime factors
rad Radical 96951
Product of the distinct prime numbers

The prime factorization of 28018839 is 3 × 17 × 17 × 17 × 1901. Since it has a total of 5 prime factors.

Most popular turbo-numbers

6, 9, 61, 96, 933, 790, 5206, 3097, 89348, 22253, 794864, 390271, 2429762, 3775497, 22557619, 97567567, 351085993, 229424640, 3017697097, 3809394927

Basic calculations (n = 28018839)

Multiplication

n×y
n×2 56037678
n×3 84056517
n×4 112075356
n×5 140094195

Division

n÷y
n÷2 14009419.5
n÷3 9339613
n÷3 7004709.75
n÷5 5603767.8

Exponentiation

ny
n2 785055338907921
n3 2.1996339146951E+22
n4 6.1631188514783E+29
n5 1.7268343483744E+37

Nth Root

y√n
2√n 5293.2824409812
3√n 303.72698465728
4√n 72.754947879723
5√n 30.866687646161

Divisors of 28018839

1, 3, 17, 51, 289, 867, 1901, 4913, 5703, 14739, 32317, 96951, 549389, 1648167, 9339613, 28018839

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 -28018838
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 28018839 can be divided by 16 positive divisors. The sum of these divisors (counting 28018839) is 1, the average is 0.0625.

Base conversion 28018839

Base System Value
2 Binary 1101010111000100010010111
3 Ternary 1221201111121210
4 Quaternary 1222320202113
5 Quinary 24133100324
6 Senary 2440312503
8 Octal 152704227
10 Decimal 28018839
12 Duodecimal 9472733
16 Hexadecimal 1ab8897
20 Vigesimal 8f271j
36 Base36 gojh3

Cryptographic Hash Functions

md5 c2b1a5833f70dc067a71800c20f663f1
sha1 e55935bdb0a1e505f23031911eaa98626d4c642d
sha256 5f5f823fa8d1463082d851e16ee8ef95079ad5efc6e35d02ea97c2d274009b17
sha512 280d0f16a314f5bef8ac5ec578f45fc2151247987117195d0db362867dec48e3a24e9ded634016405c337a6581f117e4e52826502d879a914071a7c8678cd3ff
ripemd-160 5ef052feb8e69381a7b5c6d05cb8f678087ca05b

28018839 as geometric shapes

Circle

Radius = n
Diameter 56037678
Circumference 176047557.52903
Area 2.4663240853746E+15

Sphere

Radius = n
Volume 9.213804995991E+22
Surface area 9.8652963414983E+15
Circumference 176047557.52903

Square

Length = n
Perimeter 112075356
Area 785055338907921
Diagonal 39624622.115748

Cube

Length = n
Surface area 4710332033447526
Volume 2.1996339146951E+22
Space diagonal 48530052.717092

Equilateral Triangle

Length = n
Perimeter 84056517
Area 3.3993893343543E+14
Altitude 24265026.358546

Triangular Pyramid

Length = n
Surface area 3.3993893343543E+14
Volume 2.5922934286814E+21
Height 13208207.371916