28897798 is an even 8-digits composite number following 28897797
and preceding 28897799 . In scientific notation, it is written as 2.8897798 × 10^7.
The sum of its digits is 58. It has a total of 3 prime factors and 8 positive divisors.
There are 13820664 positive integers (up to 28897798) that are relatively prime to 28897798.
28897798 has 8 divisors, whose sum is 45231408
The reverse of 28897798 is 89779882
Previous prime number is 23
Is Prime? no Number parity even Number length 8 Sum of Digits 58 Digital Root 4
Name
twenty-eight million eight hundred ninety-seven thousand seven hundred ninety-eight
Scientific notation
2.8897798 × 10^7
Engineering notation
2.8897798 × 10^6
Prime Factorization
2 × 23 × 628213
Composite number
ω Distinct Factors
3 Total number of distinct prime factors
Ω Total Factors
3 Total number of prime factors
rad Radical
28897798 Product of the distinct prime numbers
The prime factorization of 28897798 is 2 × 23 × 628213.
Since it has a total of 3 prime factors.
7 , 5 , 35 , 28 , 57 , 209 , 946 , 7867 , 9699 , 20974 , 481950 , 877902 , 8037683 , 730906 , 87767007 , 85426548 , 369448800 , 745031108 , 3695528561 , 1344419247
n×2
57795596
n×3
86693394
n×4
115591192
n×5
144488990
n÷2
14448899
n÷3
9632599.3333333
n÷3
7224449.5
n÷5
5779559.6
n2
835082729248804
n3
2.4132052023121E+22
n4
6.9736316468963E+29
n5
2.0152259865842E+37
2 √n5375.6672144023
3 √n306.87034175078
4 √n73.318941716328
5 √n31.057961709691
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
-28897797 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 28897798 can be divided by 8 positive divisors.
The sum of these divisors (counting 28897798) is 1, the average is 0.125.
Base
System
Value
2
Binary
1101110001111001000000110
3
Ternary
2000101011022211
4
Quaternary
1232033020012
5
Quinary
24344212143
6
Senary
2511214034
8
Octal
156171006
10
Decimal
28897798
12
Duodecimal
981731a
16
Hexadecimal
1b8f206
20
Vigesimal
90c49i
36
Base36
h7dom
md5
c45c1fc0c63628844c77c1396279237a
sha1
82d763261f89622d049206bda68a0ed3a29a0b3c
sha256
2030cd9b9142a1084549106ff0f7ef6ec40cf2809f3d73ad8c1ca11956b83c0c
sha512
f83ecb2ab9148d1cb5bd8a291645dffb2d2f40a783626f3fa5f302c3974f9e49fac466dc5e261757f459667a06d526176b33ea686569eb47ac1f008208e4eb6a
ripemd-160
13ff77b230da7cef4934e271bf0b6b575eb44969
Diameter
57795596
Circumference
181570219.80344
Area
2.6234897673478E+15
Volume
1.0108410313584E+23
Surface area
1.0493959069391E+16
Circumference
181570219.80344
Perimeter
115591192
Area
835082729248804
Diagonal
40867657.854318
Surface area
5010496375492824
Volume
2.4132052023121E+22
Space diagonal
50052454.362862
Perimeter
86693394
Area
3.6160142889555E+14
Altitude
25026227.181431
Surface area
3.6160142889555E+14
Volume
2.8439896049159E+21
Height
13622552.618106