28742486 is an even 8-digits composite number following 28742485
and preceding 28742487 . In scientific notation, it is written as 2.8742486 × 10^7.
The sum of its digits is 41. It has a total of 2 prime factors and 4 positive divisors.
There are 14371242 positive integers (up to 28742486) that are relatively prime to 28742486.
28742486 has 4 divisors, whose sum is 43113732
The reverse of 28742486 is 68424782
Previous prime number is 2
Is Prime? no
Number parity even
Number length 8
Sum of Digits 41
Digital Root 5
Name
twenty-eight million seven hundred forty-two thousand four hundred eighty-six
Scientific notation
2.8742486 × 10^7
Engineering notation
2.8742486 × 10^6
Prime Factorization
2 × 14371243
Composite number
ω
Distinct Factors
2
Total number of distinct prime factors
Ω
Total Factors
2
Total number of prime factors
rad
Radical
28742486
Product of the distinct prime numbers
The prime factorization of 28742486 is 2 × 14371243.
Since it has a total of 2 prime factors.
7 , 5 , 40 , 40 , 231 , 642 , 2799 , 9249 , 20122 , 30222 , 59591 , 646459 , 6203090 , 5470448 , 28661483 , 60962027 , 444604285 , 309602439 , 9822458299 , 2001480754
n×2
57484972
n×3
86227458
n×4
114969944
n×5
143712430
n÷2
14371243
n÷3
9580828.6666667
n÷3
7185621.5
n÷5
5748497.2
n2
826130501460196
n3
2.3745044372393E+22
n4
6.8249160544287E+29
n5
1.9616505414559E+37
2 √n
5361.2019174808
3 √n
306.31959290295
4 √n
73.220228881647
5 √n
31.024505335591
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
-28742485
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 28742486 can be divided by 4 positive divisors.
The sum of these divisors (counting 28742486) is 1, the average is 0.25.
Base
System
Value
2
Binary
1101101101001001101010110
3
Ternary
2000002021021112
4
Quaternary
1231221031112
5
Quinary
24324224421
6
Senary
2504015022
8
Octal
155511526
10
Decimal
28742486
12
Duodecimal
9761472
16
Hexadecimal
1b69356
20
Vigesimal
8jcg46
36
Base36
h41ue
md5
8001e802d214ea46098f43591b47f460
sha1
edb0ea18f44acb55138ac88720b95aa8b2bee88d
sha256
47eacd00a7b3ba52a0f8684344abb85d75a1ba4b27f1c584550ece2b3e286e47
sha512
11061334979c373672af00f1c988c7853d6a0e29a963e75a9ec21a6b8f1ddfe77e5fbaea55899a3a1ebd28176dc8a164ddb62d10df1b65d4e3225ffc99d72016
ripemd-160
ea3c63503d95487106547162cc4a50d6cfc6f452
Diameter
57484972
Circumference
180594365.72701
Area
2.5953655142938E+15
Volume
9.9463009279297E+22
Surface area
1.0381462057175E+16
Circumference
180594365.72701
Perimeter
114969944
Area
826130501460196
Diagonal
40648013.517519
Surface area
4956783008761176
Volume
2.3745044372393E+22
Space diagonal
49783446.087837
Perimeter
86227458
Area
3.5772500055285E+14
Altitude
24891723.043919
Surface area
3.5772500055285E+14
Volume
2.7983803158824E+21
Height
13549337.839173