28298457 is an odd 8-digits composite number following 28298456
and preceding 28298458 . In scientific notation, it is written as 2.8298457 × 10^7.
The sum of its digits is 45. It has a total of 5 prime factors and 32 positive divisors.
There are 17010000 positive integers (up to 28298457) that are relatively prime to 28298457.
28298457 has 32 divisors, whose sum is 46110720
The reverse of 28298457 is 75489282
Previous prime number is 151
Is Prime? no
Number parity odd
Number length 8
Sum of Digits 45
Digital Root 9
Name
twenty-eight million two hundred ninety-eight thousand four hundred fifty-seven
Scientific notation
2.8298457 × 10^7
Engineering notation
2.8298457 × 10^6
Prime Factorization
9 × 3 × 11 × 151 × 631
Composite number
ω
Distinct Factors
5
Total number of distinct prime factors
Ω
Total Factors
5
Total number of prime factors
rad
Radical
28298457
Product of the distinct prime numbers
The prime factorization of 28298457 is 9 × 3 × 11 × 151 × 631.
Since it has a total of 5 prime factors.
10 , 5 , 5 , 46 , 513 , 628 , 6153 , 9813 , 30445 , 53244 , 427641 , 228821 , 7539361 , 9466634 , 95070329 , 76346891 , 467683890 , 99426369 , 2396925377 , 6915962101
n×2
56596914
n×3
84895371
n×4
113193828
n×5
141492285
n÷2
14149228.5
n÷3
9432819
n÷3
7074614.25
n÷5
5659691.4
n2
800802668580849
n3
2.266147988232E+22
n4
6.4128491400621E+29
n5
1.8147373563753E+37
2 √n
5319.6294043852
3 √n
304.73400440464
4 √n
72.935789598696
5 √n
30.928050881729
1 , 3 , 9 , 11 , 27 , 33 , 99 , 151 , 297 , 453 , 631 , 1359 , 1661 , 1893 , 4077 , 4983 , 5679 , 6941 , 14949 , 17037 , 20823 , 44847 , 62469 , 95281 , 187407 , 285843 , 857529 , 1048091 , 2572587 , 3144273 , 9432819 , 28298457
32 divisors
τ
Total Divisors
32
Total number of the positive divisors of n
σ
Sum of Divisors
1
Sum of all the positive divisors of n
s
Aliquot Sum
-28298456
Sum of the proper positive divisors of n
A
Arithmetic Mean
0.03125
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
32
Returns the total number of divisors (τ(n )) divided by the sum of the reciprocal of each divisors
The number 28298457 can be divided by 32 positive divisors.
The sum of these divisors (counting 28298457) is 1, the average is 0.03125.
Base
System
Value
2
Binary
1101011111100110011011001
3
Ternary
1222020201012000
4
Quaternary
1223330303121
5
Quinary
24221022312
6
Senary
2450311213
8
Octal
153746331
10
Decimal
28298457
12
Duodecimal
9588509
16
Hexadecimal
1afccd9
20
Vigesimal
8gh62h
36
Base36
guj89
md5
75663ab7082edce2600a272323176538
sha1
014ec5c0586e317ac4c20d02c566bfb012a76d8b
sha256
5d79835f2fc7460cb3e25a0c2d811827e5189d5dcf3f62ec2e6c789613f0ec40
sha512
3b7174a53d8d592b65adb3fe157130be29157b0cdf3baa1633a36523cb932aa40210dc7f3ded27a5295e5a57d3ffe607b29461dd11c78e1cc886ddb2440f8572
ripemd-160
80552a7c49f181ad13eaf3e799ef5e0d79d66bec
Diameter
56596914
Circumference
177804449.23825
Area
2.5157957805887E+15
Volume
9.4924184957028E+22
Surface area
1.0063183122355E+16
Circumference
177804449.23825
Perimeter
113193828
Area
800802668580849
Diagonal
40020061.683632
Surface area
4804816011485094
Volume
2.266147988232E+22
Space diagonal
49014365.299803
Perimeter
84895371
Area
3.4675772720469E+14
Altitude
24507182.649902
Surface area
3.4675772720469E+14
Volume
2.6706810160852E+21
Height
13340020.561211