28298491 is an odd 8-digits composite number following 28298490
and preceding 28298492 . In scientific notation, it is written as 2.8298491 × 10^7.
The sum of its digits is 43. It has a total of 2 prime factors and 4 positive divisors.
There are 26121672 positive integers (up to 28298491) that are relatively prime to 28298491.
28298491 has 4 divisors, whose sum is 30475312
The reverse of 28298491 is 19489282
Previous prime number is 13
Is Prime? no
Number parity odd
Number length 8
Sum of Digits 43
Digital Root 7
Name
twenty-eight million two hundred ninety-eight thousand four hundred ninety-one
Scientific notation
2.8298491 × 10^7
Engineering notation
2.8298491 × 10^6
Prime Factorization
13 × 2176807
Composite number
ω
Distinct Factors
2
Total number of distinct prime factors
Ω
Total Factors
2
Total number of prime factors
rad
Radical
28298491
Product of the distinct prime numbers
The prime factorization of 28298491 is 13 × 2176807.
Since it has a total of 2 prime factors.
10 , 1 , 37 , 51 , 181 , 748 , 1427 , 9494 , 79687 , 15026 , 282581 , 909314 , 1226645 , 8979556 , 36349460 , 20235248 , 920572739 , 809480352 , 336038867 , 82371627
n×2
56596982
n×3
84895473
n×4
113193964
n×5
141492455
n÷2
14149245.5
n÷3
9432830.3333333
n÷3
7074622.75
n÷5
5659698.2
n2
800804592877081
n3
2.2661561564291E+22
n4
6.4128799597303E+29
n5
1.8147482582451E+37
2 √n
5319.6326000956
3 √n
304.73412644842
4 √n
72.93581150639
5 √n
30.928058313606
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
-28298490
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 28298491 can be divided by 4 positive divisors.
The sum of these divisors (counting 28298491) is 1, the average is 0.25.
Base
System
Value
2
Binary
1101011111100110011111011
3
Ternary
1222020201020021
4
Quaternary
1223330303323
5
Quinary
24221022431
6
Senary
2450311311
8
Octal
153746373
10
Decimal
28298491
12
Duodecimal
9588537
16
Hexadecimal
1afccfb
20
Vigesimal
8gh64b
36
Base36
guj97
md5
bd79c8defe66f04e629a919f8d9f7491
sha1
51c8c5d541c5bdf3450796ed3c519be3519b34a9
sha256
825275e3f7cb4837e10ad07befecd174465ad21e763a666059e873171f270175
sha512
9158aad858ccee521ec7a04b8ef5d0eac12f90ed51621b6f4edf2ed01710046637cf273df5cd65be2c4749cd314de24ada59488884b9fd91d3574230c4afaf54
ripemd-160
1c2e14f8e435c8df1b64042c8c39cd2092b02cfd
Diameter
56596982
Circumference
177804662.86655
Area
2.5158018259436E+15
Volume
9.4924527105665E+22
Surface area
1.0063207303774E+16
Circumference
177804662.86655
Perimeter
113193964
Area
800804592877081
Diagonal
40020109.766893
Surface area
4804827557262486
Volume
2.2661561564291E+22
Space diagonal
49014424.189531
Perimeter
84895473
Area
3.467585604494E+14
Altitude
24507212.094765
Surface area
3.467585604494E+14
Volume
2.6706906423977E+21
Height
13340036.588964