28742013 is an odd 8-digits composite number following 28742012
and preceding 28742014 . In scientific notation, it is written as 2.8742013 × 10^7.
The sum of its digits is 27. It has a total of 3 prime factors and 8 positive divisors.
There are 19161324 positive integers (up to 28742013) that are relatively prime to 28742013.
28742013 has 8 divisors, whose sum is 42580800
The reverse of 28742013 is 31024782
Previous prime number is 9
Is Prime? no
Number parity odd
Number length 8
Sum of Digits 27
Digital Root 9
Name
twenty-eight million seven hundred forty-two thousand thirteen
Scientific notation
2.8742013 × 10^7
Engineering notation
2.8742013 × 10^6
Prime Factorization
3 × 9 × 1064519
Composite number
ω
Distinct Factors
3
Total number of distinct prime factors
Ω
Total Factors
3
Total number of prime factors
rad
Radical
28742013
Product of the distinct prime numbers
The prime factorization of 28742013 is 3 × 9 × 1064519.
Since it has a total of 3 prime factors.
6 , 1 , 6 , 5 , 278 , 91 , 3055 , 6654 , 71564 , 90593 , 924310 , 487097 , 332480 , 4888107 , 23782324 , 14089500 , 109010146 , 112168675 , 7851043767 , 3343323734
n×2
57484026
n×3
86226039
n×4
114968052
n×5
143710065
n÷2
14371006.5
n÷3
9580671
n÷3
7185503.25
n÷5
5748402.6
n2
826103311292169
n3
2.3743872112503E+22
n4
6.8244668092789E+29
n5
1.9614891375036E+37
2 √n
5361.1578040569
3 √n
306.31791258017
4 √n
73.219927643073
5 √n
31.02440322412
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
-28742012
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 28742013 can be divided by 8 positive divisors.
The sum of these divisors (counting 28742013) is 1, the average is 0.125.
Base
System
Value
2
Binary
1101101101001000101111101
3
Ternary
2000002020122000
4
Quaternary
1231221011331
5
Quinary
24324221023
6
Senary
2504012513
8
Octal
155510575
10
Decimal
28742013
12
Duodecimal
9761139
16
Hexadecimal
1b6917d
20
Vigesimal
8jcf0d
36
Base36
h41h9
md5
2db957926af389ebb5280712f7ddd4b0
sha1
2839d1ee87da548db1951975f0e9d3ebda483efd
sha256
de67dad9aa09b6785c5c66589bab8288f76e01b0efe6ada2b613370dbc5f1f91
sha512
6c939653db59aa0b42106ab0bfdf1100f3b6d91229bf729b710bd3ee5d0a012847d146db291a360b4dbede6ccdc03a6edb1107de9556f9f8c6a13fe387118c1c
ripemd-160
a06116743a89b81fbbe920bcf0038b33bd026dc8
Diameter
57484026
Circumference
180591393.78036
Area
2.5952800938617E+15
Volume
9.9458098928551E+22
Surface area
1.0381120375447E+16
Circumference
180591393.78036
Perimeter
114968052
Area
826103311292169
Diagonal
40647344.594504
Surface area
4956619867753014
Volume
2.3743872112503E+22
Space diagonal
49782626.827805
Perimeter
86226039
Area
3.5771322686473E+14
Altitude
24891313.413903
Surface area
3.5771322686473E+14
Volume
2.7982421637295E+21
Height
13549114.864835