28742018 is an even 8-digits composite number following 28742017
and preceding 28742019 . In scientific notation, it is written as 2.8742018 × 10^7.
The sum of its digits is 32. It has a total of 3 prime factors and 8 positive divisors.
There are 14357716 positive integers (up to 28742018) that are relatively prime to 28742018.
28742018 has 8 divisors, whose sum is 43152912
The reverse of 28742018 is 81024782
Previous prime number is 12107
Is Prime? no
Number parity even
Number length 8
Sum of Digits 32
Digital Root 5
Name
twenty-eight million seven hundred forty-two thousand eighteen
Scientific notation
2.8742018 × 10^7
Engineering notation
2.8742018 × 10^6
Prime Factorization
2 × 12107 × 1187
Composite number
ω
Distinct Factors
3
Total number of distinct prime factors
Ω
Total Factors
3
Total number of prime factors
rad
Radical
28742018
Product of the distinct prime numbers
The prime factorization of 28742018 is 2 × 12107 × 1187.
Since it has a total of 3 prime factors.
10 , 5 , 91 , 38 , 483 , 453 , 7598 , 9763 , 92058 , 20328 , 942552 , 474069 , 9701359 , 6013755 , 10475911 , 50318714 , 345797091 , 25464054 , 7755011104 , 7417383689
n×2
57484036
n×3
86226054
n×4
114968072
n×5
143710090
n÷2
14371009
n÷3
9580672.6666667
n÷3
7185504.5
n÷5
5748403.6
n2
826103598712324
n3
2.3743884504054E+22
n4
6.8244715580545E+29
n5
1.9614908436209E+37
2 √n
5361.158270374
3 √n
306.31793034266
4 √n
73.219930827433
5 √n
31.02440430353
8 divisors
τ
Total Divisors
8
Total number of the positive divisors of n
σ
Sum of Divisors
1
Sum of all the positive divisors of n
s
Aliquot Sum
-28742017
Sum of the proper positive divisors of n
A
Arithmetic Mean
0.125
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
8
Returns the total number of divisors (τ(n )) divided by the sum of the reciprocal of each divisors
The number 28742018 can be divided by 8 positive divisors.
The sum of these divisors (counting 28742018) is 1, the average is 0.125.
Base
System
Value
2
Binary
1101101101001000110000010
3
Ternary
2000002020122012
4
Quaternary
1231221012002
5
Quinary
24324221033
6
Senary
2504012522
8
Octal
155510602
10
Decimal
28742018
12
Duodecimal
9761142
16
Hexadecimal
1b69182
20
Vigesimal
8jcf0i
36
Base36
h41he
md5
f641246fdfdbce86410dcb63c24c4f2b
sha1
7a37c31aabf7b9c1ef0ba21059359918f0c8c28e
sha256
6ca5121b3c77c43c0669d53c0c85e4b13d3be405c51206a315fb8831758880ed
sha512
754a5db0b17e157a3a3bfba65033cbd76b4f1875d281c581e1bdada31804ef162b48d884cd7690584780f856f5ec9fce2033cee519db28b278c8eb130252b40d
ripemd-160
992921e1761d8e4191e1a0458b714bd139821370
Diameter
57484036
Circumference
180591425.19629
Area
2.5952809968187E+15
Volume
9.9458150834162E+22
Surface area
1.0381123987275E+16
Circumference
180591425.19629
Perimeter
114968072
Area
826103598712324
Diagonal
40647351.665572
Surface area
4956621592273944
Volume
2.3743884504054E+22
Space diagonal
49782635.488059
Perimeter
86226054
Area
3.5771335132131E+14
Altitude
24891317.74403
Surface area
3.5771335132131E+14
Volume
2.7982436240878E+21
Height
13549117.221857