28072018 (number)

28072018 is an even 8-digits composite number following 28072017 and preceding 28072019. In scientific notation, it is written as 2.8072018 × 10^7. The sum of its digits is 28. It has a total of 5 prime factors and 24 positive divisors. There are 12718368 positive integers (up to 28072018) that are relatively prime to 28072018.

Interesting facts

Basic properties

Name

Name twenty-eight million seventy-two thousand eighteen

Notation

Scientific notation 2.8072018 × 10^7
Engineering notation 2.8072018 × 10^6

Prime Factorization of 28072018

Prime Factorization 2 × 13 × 79 × 79 × 173

Composite number
ω Distinct Factors 4
Total number of distinct prime factors
Ω Total Factors 5
Total number of prime factors
rad Radical 355342
Product of the distinct prime numbers

The prime factorization of 28072018 is 2 × 13 × 79 × 79 × 173. Since it has a total of 5 prime factors.

Most popular turbo-numbers

5, 3, 81, 82, 815, 442, 6907, 2489, 31751, 56626, 238537, 10471, 4127600, 7522526, 46265304, 74613906, 76994076, 73390247, 8220661499, 5876269383

Basic calculations (n = 28072018)

Multiplication

n×y
n×2 56144036
n×3 84216054
n×4 112288072
n×5 140360090

Division

n÷y
n÷2 14036009
n÷3 9357339.3333333
n÷3 7018004.5
n÷5 5614403.6

Exponentiation

ny
n2 788038194592324
n3 2.2121822383283E+22
n4 6.2100419613633E+29
n5 1.7432840972015E+37

Nth Root

y√n
2√n 5298.3033133259
3√n 303.91901842257
4√n 72.789445068127
5√n 30.878395588958

Divisors of 28072018

1, 2, 13, 26, 79, 158, 173, 346, 1027, 2054, 2249, 4498, 6241, 12482, 13667, 27334, 81133, 162266, 177671, 355342, 1079693, 2159386, 14036009, 28072018

24 divisors

τ Total Divisors 24
Total number of the positive divisors of n
σ Sum of Divisors 1
Sum of all the positive divisors of n
s Aliquot Sum -28072017
Sum of the proper positive divisors of n
A Arithmetic Mean 0.041666666666667
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 24
Returns the total number of divisors (τ(n)) divided by the sum of the reciprocal of each divisors

The number 28072018 can be divided by 24 positive divisors. The sum of these divisors (counting 28072018) is 1, the average is 0.041666666666667.

Base conversion 28072018

Base System Value
2 Binary 1101011000101100001010010
3 Ternary 1221211012120101
4 Quaternary 1223011201102
5 Quinary 24141301033
6 Senary 2441403014
8 Octal 153054122
10 Decimal 28072018
12 Duodecimal 949946a
16 Hexadecimal 1ac5852
20 Vigesimal 8f900i
36 Base36 gpoia

Cryptographic Hash Functions

md5 dab78334791647a26552de4d836c8e6f
sha1 19d9c80d15973cb186195e8a19bdee7a70af9b41
sha256 82b577f28e1794dcd877c0d1af707b27a8ee5e114a509ba09212a4f0d8f4f694
sha512 31e36ed120008957f4e821d1c05aeee2255d2fe1122cece8202d86bd04d6ae0a1a803ff8b52f1eca6433cdd74c787f9111743c722752306997acb078c9ffd29e
ripemd-160 5e95a273ea0f9cd7729258e62772510b4df66755

28072018 as geometric shapes

Circle

Radius = n
Diameter 56144036
Circumference 176381691.04048
Area 2.4756950028794E+15

Sphere

Radius = n
Volume 9.2663672911121E+22
Surface area 9.9027800115176E+15
Circumference 176381691.04048

Square

Length = n
Perimeter 112288072
Area 788038194592324
Diagonal 39699828.578782

Cube

Length = n
Surface area 4728229167553944
Volume 2.2121822383283E+22
Space diagonal 48622161.446988

Equilateral Triangle

Length = n
Perimeter 84216054
Area 3.4123054783469E+14
Altitude 24311080.723494

Triangular Pyramid

Length = n
Surface area 3.4123054783469E+14
Volume 2.607081769904E+21
Height 13233276.192927