28291855 is an odd 8-digits composite number following 28291854
and preceding 28291856 . In scientific notation, it is written as 2.8291855 × 10^7.
The sum of its digits is 40. It has a total of 2 prime factors and 4 positive divisors.
There are 21442176 positive integers (up to 28291855) that are relatively prime to 28291855.
28291855 has 4 divisors, whose sum is 28589760
The reverse of 28291855 is 55819282
Previous prime number is 95
Is Prime? no
Number parity odd
Number length 8
Sum of Digits 40
Digital Root 4
Name
twenty-eight million two hundred ninety-one thousand eight hundred fifty-five
Scientific notation
2.8291855 × 10^7
Engineering notation
2.8291855 × 10^6
Prime Factorization
95 × 297809
Composite number
ω
Distinct Factors
2
Total number of distinct prime factors
Ω
Total Factors
2
Total number of prime factors
rad
Radical
28291855
Product of the distinct prime numbers
The prime factorization of 28291855 is 95 × 297809.
Since it has a total of 2 prime factors.
3 , 6 , 49 , 99 , 779 , 838 , 3342 , 4773 , 44826 , 8503 , 796309 , 132776 , 324965 , 8517859 , 10859323 , 79128894 , 250971421 , 300720461 , 8273653007 , 6891050600
n×2
56583710
n×3
84875565
n×4
113167420
n×5
141459275
n÷2
14145927.5
n÷3
9430618.3333333
n÷3
7072963.75
n÷5
5658371
n2
800429059341025
n3
2.2645622884663E+22
n4
6.4068667903756E+29
n5
1.8126214623762E+37
2 √n
5319.0088362401
3 √n
304.7103045215
4 √n
72.931535265892
5 √n
30.926607650749
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
-28291854
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 28291855 can be divided by 4 positive divisors.
The sum of these divisors (counting 28291855) is 1, the average is 0.25.
Base
System
Value
2
Binary
1101011111011001100001111
3
Ternary
1222020101010111
4
Quaternary
1223323030033
5
Quinary
24220314410
6
Senary
2450220451
8
Octal
153731417
10
Decimal
28291855
12
Duodecimal
9584727
16
Hexadecimal
1afb30f
20
Vigesimal
8gg9cf
36
Base36
gue4v
md5
96334231a5d2794102bf20e59e5396d8
sha1
0bd651c8a2c6d2b3df81421977be7cea14167619
sha256
d81d56dd0098bacdb7f9d96ea0e4889a858b134b0e25d4904cd3e19d933309c9
sha512
c43e05055be2e0a9fafd859c6819a720a1b998544ea7ad055592b3fb98d7deeb029b4e5186e598f3696227fc84551bfd1edfef9c8db6703de8aa36d75a7d0d4e
ripemd-160
7b6830759619bed0b142473d11aa8a5b5ac306d6
Diameter
56583710
Circumference
177762967.64886
Area
2.5146220525456E+15
Volume
9.4857763320562E+22
Surface area
1.0058488210182E+16
Circumference
177762967.64886
Perimeter
113167420
Area
800429059341025
Diagonal
40010725.045693
Surface area
4802574356046150
Volume
2.2645622884663E+22
Space diagonal
49002930.300372
Perimeter
84875565
Area
3.465959496583E+14
Altitude
24501465.150186
Surface area
3.465959496583E+14
Volume
2.6688122509897E+21
Height
13336908.348564