28745087 is an odd 8-digits composite number following 28745086
and preceding 28745088 . In scientific notation, it is written as 2.8745087 × 10^7.
The sum of its digits is 41. It has a total of 2 prime factors and 4 positive divisors.
There are 24638640 positive integers (up to 28745087) that are relatively prime to 28745087.
28745087 has 4 divisors, whose sum is 32851536
The reverse of 28745087 is 78054782
Previous prime number is 7
Is Prime? no
Number parity odd
Number length 8
Sum of Digits 41
Digital Root 5
Name
twenty-eight million seven hundred forty-five thousand eighty-seven
Scientific notation
2.8745087 × 10^7
Engineering notation
2.8745087 × 10^6
Prime Factorization
7 × 4106441
Composite number
ω
Distinct Factors
2
Total number of distinct prime factors
Ω
Total Factors
2
Total number of prime factors
rad
Radical
28745087
Product of the distinct prime numbers
The prime factorization of 28745087 is 7 × 4106441.
Since it has a total of 2 prime factors.
8 , 1 , 6 , 49 , 376 , 41 , 5855 , 7274 , 31811 , 30040 , 90583 , 131568 , 5838607 , 9206826 , 43945774 , 56831039 , 711698623 , 630582818 , 7685776876 , 4275649500
n×2
57490174
n×3
86235261
n×4
114980348
n×5
143725435
n÷2
14372543.5
n÷3
9581695.6666667
n÷3
7186271.75
n÷5
5749017.4
n2
826280026637569
n3
2.3751491252059E+22
n4
6.8273868242018E+29
n5
1.9625382824433E+37
2 √n
5361.4444881953
3 √n
306.32883257263
4 √n
73.221885308938
5 √n
31.025066816721
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
-28745086
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 28745087 can be divided by 4 positive divisors.
The sum of these divisors (counting 28745087) is 1, the average is 0.25.
Base
System
Value
2
Binary
1101101101001110101111111
3
Ternary
2000002101211212
4
Quaternary
1231221311333
5
Quinary
24324320322
6
Senary
2504035035
8
Octal
155516577
10
Decimal
28745087
12
Duodecimal
9762a7b
16
Hexadecimal
1b69d7f
20
Vigesimal
8jd2e7
36
Base36
h43un
md5
5d1fa71858a1754000889064161dc1e0
sha1
d26c7e3df3d476c77d91a611b66b26a0be226159
sha256
1c63300dc876e02fad026247e8c15b195a2836a68f91f869958ab8a2f041acd8
sha512
9749d40f40bf84a3d252af6fad27edd69274c3d0cf0179031136327e19d6f8598615de4ebdacf811089fd4beda3c24a3af93b234c7391dcf63be060a7a3e238c
ripemd-160
262bbef76e5fdc3b5a206622deedcc95cbb6b7b3
Diameter
57490174
Circumference
180610708.292
Area
2.5958352614926E+15
Volume
9.9490013905695E+22
Surface area
1.038334104597E+16
Circumference
180610708.292
Perimeter
114980348
Area
826280026637569
Diagonal
40651691.886995
Surface area
4957680159825414
Volume
2.3751491252059E+22
Space diagonal
49787951.151988
Perimeter
86235261
Area
3.5778974685391E+14
Altitude
24893975.575994
Surface area
3.5778974685391E+14
Volume
2.7991400879373E+21
Height
13550563.962332