28297961 is an odd 8-digits composite number following 28297960
and preceding 28297962 . In scientific notation, it is written as 2.8297961 × 10^7.
The sum of its digits is 44. It has a total of 3 prime factors and 8 positive divisors.
There are 27749520 positive integers (up to 28297961) that are relatively prime to 28297961.
28297961 has 8 divisors, whose sum is 28849344
The reverse of 28297961 is 16979282
Previous prime number is 523
Is Prime? no
Number parity odd
Number length 8
Sum of Digits 44
Digital Root 8
Name
twenty-eight million two hundred ninety-seven thousand nine hundred sixty-one
Scientific notation
2.8297961 × 10^7
Engineering notation
2.8297961 × 10^6
Prime Factorization
61 × 523 × 887
Composite number
ω
Distinct Factors
3
Total number of distinct prime factors
Ω
Total Factors
3
Total number of prime factors
rad
Radical
28297961
Product of the distinct prime numbers
The prime factorization of 28297961 is 61 × 523 × 887.
Since it has a total of 3 prime factors.
8 , 4 , 17 , 100 , 677 , 821 , 1087 , 5940 , 60592 , 62173 , 688870 , 212605 , 939230 , 9621916 , 93038342 , 49280216 , 818571459 , 158757457 , 478685952 , 463520039
n×2
56595922
n×3
84893883
n×4
113191844
n×5
141489805
n÷2
14148980.5
n÷3
9432653.6666667
n÷3
7074490.25
n÷5
5659592.2
n2
800774596757521
n3
2.2660288308835E+22
n4
6.4123995481217E+29
n5
1.8145783232917E+37
2 √n
5319.582784392
3 √n
304.73222399014
4 √n
72.935470001859
5 √n
30.92794246295
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
-28297960
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 28297961 can be divided by 8 positive divisors.
The sum of these divisors (counting 28297961) is 1, the average is 0.125.
Base
System
Value
2
Binary
1101011111100101011101001
3
Ternary
1222020200111122
4
Quaternary
1223330223221
5
Quinary
24221013321
6
Senary
2450305025
8
Octal
153745351
10
Decimal
28297961
12
Duodecimal
9588175
16
Hexadecimal
1afcae9
20
Vigesimal
8gh4i1
36
Base36
guiuh
md5
079973e3f638360b2fe61cf989c84c58
sha1
4f773c3c3b5f691002c5c6490826c2f42bbfcc52
sha256
e9ffc8b4efd14e91c29db8317a93f34a9d33820ab6c93b862caab945232a9c3e
sha512
746e001de479f3d0e327d12172c18d4fedc7f820ce2cef681401e18a2806177d790c3eeb29d69d1127736ae4e07b10e262563096a618c0e9b004128025cf6cc7
ripemd-160
92fe94b40e7c36e583b67161e8ab644f282cb5a9
Diameter
56595922
Circumference
177801332.77834
Area
2.5157075903548E+15
Volume
9.4919193705684E+22
Surface area
1.0062830361419E+16
Circumference
177801332.77834
Perimeter
113191844
Area
800774596757521
Diagonal
40019360.233705
Surface area
4804647580545126
Volume
2.2660288308835E+22
Space diagonal
49013506.202603
Perimeter
84893883
Area
3.4674557174863E+14
Altitude
24506753.101301
Surface area
3.4674557174863E+14
Volume
2.6705405878033E+21
Height
13339786.744568