28991195 is an odd 8-digits composite number following 28991194
and preceding 28991196 . In scientific notation, it is written as 2.8991195 × 10^7.
The sum of its digits is 44. It has a total of 3 prime factors and 8 positive divisors.
There are 23173696 positive integers (up to 28991195) that are relatively prime to 28991195.
28991195 has 8 divisors, whose sum is 34818336
The reverse of 28991195 is 59119982
Previous prime number is 2393
Is Prime? no
Number parity odd
Number length 8
Sum of Digits 44
Digital Root 8
Name
twenty-eight million nine hundred ninety-one thousand one hundred ninety-five
Scientific notation
2.8991195 × 10^7
Engineering notation
2.8991195 × 10^6
Prime Factorization
5 × 2393 × 2423
Composite number
ω
Distinct Factors
3
Total number of distinct prime factors
Ω
Total Factors
3
Total number of prime factors
rad
Radical
28991195
Product of the distinct prime numbers
The prime factorization of 28991195 is 5 × 2393 × 2423.
Since it has a total of 3 prime factors.
3 , 8 , 25 , 48 , 896 , 427 , 3269 , 3963 , 3769 , 72495 , 275608 , 874766 , 7645286 , 4928796 , 33078012 , 3437957 , 627481931 , 338019250 , 1149577696 , 4965455197
n×2
57982390
n×3
86973585
n×4
115964780
n×5
144955975
n÷2
14495597.5
n÷3
9663731.6666667
n÷3
7247798.75
n÷5
5798239
n2
840489387528025
n3
2.4366791729256E+22
n4
7.0642241054723E+29
n5
2.0480029856545E+37
2 √n
5384.3472213445
3 √n
307.20058545601
4 √n
73.378111323095
5 √n
31.078011525815
8 divisors
τ
Total Divisors
8
Total number of the positive divisors of n
σ
Sum of Divisors
1
Sum of all the positive divisors of n
s
Aliquot Sum
-28991194
Sum of the proper positive divisors of n
A
Arithmetic Mean
0.125
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
8
Returns the total number of divisors (τ(n )) divided by the sum of the reciprocal of each divisors
The number 28991195 can be divided by 8 positive divisors.
The sum of these divisors (counting 28991195) is 1, the average is 0.125.
Base
System
Value
2
Binary
1101110100101111011011011
3
Ternary
2000112220102222
4
Quaternary
1232211323123
5
Quinary
24410204240
6
Senary
2513214255
8
Octal
156457333
10
Decimal
28991195
12
Duodecimal
986138b
16
Hexadecimal
1ba5edb
20
Vigesimal
913hjf
36
Base36
h9dqz
md5
ed06186ee93de0fc776739bef8287225
sha1
c4d42a5643703a93cef7ab30f7d69429d6231eb9
sha256
dbb7ab18276870be30120d364d76beab2e22378ee5dc58e549d73c8ec1e102ba
sha512
fa035c70964cafc647577e277a0af31b530e66ad23cefca7458fe3ab22f2a08b37bf0d6229c7bd44d302766dfcb7ee8b403d6859ab30567437c35bcb50d953b5
ripemd-160
d40482ce43748b0ef05baca0f8229a5bc666599b
Diameter
57982390
Circumference
182157050.46158
Area
2.6404752852782E+15
Volume
1.0206737851758E+23
Surface area
1.0561901141113E+16
Circumference
182157050.46158
Perimeter
115964780
Area
840489387528025
Diagonal
40999741.158403
Surface area
5042936325168150
Volume
2.4366791729256E+22
Space diagonal
50214222.712137
Perimeter
86973585
Area
3.6394258060525E+14
Altitude
25107111.356068
Surface area
3.6394258060525E+14
Volume
2.8716539445861E+21
Height
13666580.386134