28423915 is an odd 8-digits composite number following 28423914
and preceding 28423916 . In scientific notation, it is written as 2.8423915 × 10^7.
The sum of its digits is 34. It has a total of 4 prime factors and 16 positive divisors.
There are 19052544 positive integers (up to 28423915) that are relatively prime to 28423915.
28423915 has 16 divisors, whose sum is 32074560
The reverse of 28423915 is 51932482
Previous prime number is 29
Is Prime? no
Number parity odd
Number length 8
Sum of Digits 34
Digital Root 7
Name
twenty-eight million four hundred twenty-three thousand nine hundred fifteen
Scientific notation
2.8423915 × 10^7
Engineering notation
2.8423915 × 10^6
Prime Factorization
85 × 13 × 29 × 887
Composite number
ω
Distinct Factors
4
Total number of distinct prime factors
Ω
Total Factors
4
Total number of prime factors
rad
Radical
28423915
Product of the distinct prime numbers
The prime factorization of 28423915 is 85 × 13 × 29 × 887.
Since it has a total of 4 prime factors.
3 , 3 , 35 , 93 , 90 , 655 , 3145 , 7452 , 59529 , 71344 , 420736 , 657498 , 9389954 , 3251183 , 33378531 , 41661195 , 899610238 , 704060539 , 5703005054 , 4515319257
n×2
56847830
n×3
85271745
n×4
113695660
n×5
142119575
n÷2
14211957.5
n÷3
9474638.3333333
n÷3
7105978.75
n÷5
5684783
n2
807918943927225
n3
2.2964219389077E+22
n4
6.5273301995648E+29
n5
1.8553227876936E+37
2 √n
5331.4083505205
3 √n
305.18367508688
4 √n
73.016493688211
5 √n
30.955425580883
1 , 13 , 29 , 85 , 377 , 887 , 1105 , 2465 , 11531 , 25723 , 32045 , 75395 , 334399 , 980135 , 2186455 , 28423915
16 divisors
τ
Total Divisors
16
Total number of the positive divisors of n
σ
Sum of Divisors
1
Sum of all the positive divisors of n
s
Aliquot Sum
-28423914
Sum of the proper positive divisors of n
A
Arithmetic Mean
0.0625
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
16
Returns the total number of divisors (τ(n )) divided by the sum of the reciprocal of each divisors
The number 28423915 can be divided by 16 positive divisors.
The sum of these divisors (counting 28423915) is 1, the average is 0.0625.
Base
System
Value
2
Binary
1101100011011011011101011
3
Ternary
1222111002021121
4
Quaternary
1230123123223
5
Quinary
24234031130
6
Senary
2453120111
8
Octal
154333353
10
Decimal
28423915
12
Duodecimal
9629037
16
Hexadecimal
1b1b6eb
20
Vigesimal
8hcjff
36
Base36
gx817
md5
caaf1095293d45ed967b95c6eb7e35e7
sha1
cada44eccb3147528b3525ed69cbfd979b8b0a01
sha256
283e535688e4f7fd30f34cbcb8507dd861c4dfcea9c029e65e3c209dd6d0d75b
sha512
f3f0cc9060be73f69e65a44d7f605991ed6572da02197301adeb26ce07315b551ed6d59d182f9fcf9538683b291b800668dc5af22064987ed7ee27ec7dd4b0f5
ripemd-160
1264822d9e64f00b223cd4e43e79ed6b74db025f
Diameter
56847830
Circumference
178592725.10052
Area
2.5381522189378E+15
Volume
9.6192297237532E+22
Surface area
1.0152608875751E+16
Circumference
178592725.10052
Perimeter
113695660
Area
807918943927225
Diagonal
40197486.08874
Surface area
4847513663563350
Volume
2.2964219389077E+22
Space diagonal
49231664.930019
Perimeter
85271745
Area
3.4983916481984E+14
Altitude
24615832.46501
Surface area
3.4983916481984E+14
Volume
2.706359209112E+21
Height
13399162.02958