28291187 is an odd 8-digits prime number following 28291186
and preceding 28291188 . In scientific notation, it is written as 2.8291187 × 10^7.
The sum of its digits is 38. It has a total of 1 prime factors and 2 positive divisors.
There are 28291186 positive integers (up to 28291187) that are relatively prime to 28291187.
28291187 has 2 divisors, whose sum is 28291188
The reverse of 28291187 is 78119282
Previous prime number is 1
Is Prime? yes Number parity odd Number length 8 Sum of Digits 38 Digital Root 2
Name
twenty-eight million two hundred ninety-one thousand one hundred eighty-seven
Scientific notation
2.8291187 × 10^7
Engineering notation
2.8291187 × 10^6
Prime Factorization
28291187
Composite number
ω Distinct Factors
1 Total number of distinct prime factors
Ω Total Factors
1 Total number of prime factors
rad Radical
28291187 Product of the distinct prime numbers
The prime factorization of 28291187 is 28291187.
Since it has a total of 1 prime factors.
8 , 1 , 97 , 87 , 222 , 230 , 5977 , 2789 , 43885 , 57928 , 264490 , 919667 , 3455651 , 3722902 , 25231782 , 75967774 , 933568303 , 245688110 , 5284142407 , 8156420892
n×2
56582374
n×3
84873561
n×4
113164748
n×5
141455935
n÷2
14145593.5
n÷3
9430395.6666667
n÷3
7072796.75
n÷5
5658237.4
n2
800391261868969
n3
2.2644018862701E+22
n4
6.406261720762E+29
n5
1.8124074831302E+37
2 √n5318.9460422155
3 √n304.70790632732
4 √n72.931104764809
5 √n30.926461607522
2 divisors
τ Total Divisors
2 Total number of the positive divisors of n
σ Sum of Divisors
28291188 Sum of all the positive divisors of n
s Aliquot Sum
1 Sum of the proper positive divisors of n
A Arithmetic Mean
14145594 Returns the sum of divisors (σ(n )) divided by the total number of divisors (τ(n ))
G Geometric Mean
5318.9461362191 Returns the nth root of the product of n divisors
H Harmonic Mean
1.9999999293066 Returns the total number of divisors (τ(n )) divided by the sum of the reciprocal of each divisors
The number 28291187 can be divided by 2 positive divisors.
The sum of these divisors (counting 28291187) is 28291188, the average is 14145594.
Base
System
Value
2
Binary
1101011111011000001110011
3
Ternary
1222020100012202
4
Quaternary
1223323001303
5
Quinary
24220304222
6
Senary
2450213415
8
Octal
153730163
10
Decimal
28291187
12
Duodecimal
958426b
16
Hexadecimal
1afb073
20
Vigesimal
8gg7j7
36
Base36
gudmb
md5
7c6bdbca4e7308ae80cacc8c0b161eb6
sha1
0e16acdc19d9ca0c1af8c14a0bd71c491e04aef8
sha256
df2e853553de3ab1bc4307ed24c80f2c7108257536f4de08bca27c4ff5d0270d
sha512
02f99c05cce20b1c87bf81a4ce0c6ffe385c151e1d01c82c0858dd094dea1b4f0b1bd1f6a4c5baee85d955cc4a8c9e8496c812ed93c215e1eab0f99d58955c00
ripemd-160
e23f478ada219ecee3705184d8ea845128ac4458
Diameter
56582374
Circumference
177758770.48107
Area
2.514503308285E+15
Volume
9.485104440908E+22
Surface area
1.005801323314E+16
Circumference
177758770.48107
Perimeter
113164748
Area
800391261868969
Diagonal
40009780.351033
Surface area
4802347571213814
Volume
2.2644018862701E+22
Space diagonal
49001773.290432
Perimeter
84873561
Area
3.4657958287281E+14
Altitude
24500886.645216
Surface area
3.4657958287281E+14
Volume
2.6686232151887E+21
Height
13336593.450344