28131497 is an odd 8-digits composite number following 28131496
and preceding 28131498 . In scientific notation, it is written as 2.8131497 × 10^7.
The sum of its digits is 35. It has a total of 2 prime factors and 4 positive divisors.
There are 28098756 positive integers (up to 28131497) that are relatively prime to 28131497.
28131497 has 4 divisors, whose sum is 28164240
The reverse of 28131497 is 79413182
Previous prime number is 883
Is Prime? no
Number parity odd
Number length 8
Sum of Digits 35
Digital Root 8
Name
twenty-eight million one hundred thirty-one thousand four hundred ninety-seven
Scientific notation
2.8131497 × 10^7
Engineering notation
2.8131497 × 10^6
Prime Factorization
883 × 31859
Composite number
ω
Distinct Factors
2
Total number of distinct prime factors
Ω
Total Factors
2
Total number of prime factors
rad
Radical
28131497
Product of the distinct prime numbers
The prime factorization of 28131497 is 883 × 31859.
Since it has a total of 2 prime factors.
4 , 6 , 36 , 71 , 228 , 373 , 1185 , 1874 , 73678 , 89436 , 848804 , 649360 , 7191045 , 2341275 , 97943228 , 83936346 , 781021296 , 508192885 , 4034788041 , 2203368554
n×2
56262994
n×3
84394491
n×4
112525988
n×5
140657485
n÷2
14065748.5
n÷3
9377165.6666667
n÷3
7032874.25
n÷5
5626299.4
n2
791381123461009
n3
2.22627357005E+22
n4
6.2628408257041E+29
n5
1.7618308789977E+37
2 √n
5303.9133665625
3 √n
304.13351490398
4 √n
72.827971045214
5 √n
30.891469543941
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
-28131496
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 28131497 can be divided by 4 positive divisors.
The sum of these divisors (counting 28131497) is 1, the average is 0.25.
Base
System
Value
2
Binary
1101011010100000010101001
3
Ternary
1221221020011022
4
Quaternary
1223110002221
5
Quinary
24200201442
6
Senary
2442542225
8
Octal
153240251
10
Decimal
28131497
12
Duodecimal
9507975
16
Hexadecimal
1ad40a9
20
Vigesimal
8fg8eh
36
Base36
gqyeh
md5
6980a6acba16cd7210cd7a37f02b075a
sha1
bb0234831c20012ced44c340cda19b2999cf8fe5
sha256
523e42f797a650f19791542acbafad24b4c67a0321e9671833abd8fdc8e7f38a
sha512
e891d57d564398a80221f142aa6fe3c3f6bf42ba812c168ecac696a23fd7901234c0db77b588897d368eb69fa1b0a521b5f83ce326847af3d5062d0eee32d285
ripemd-160
25e75bc89457f365e1086b864d0b7d3470bd6c0c
Diameter
56262994
Circumference
176755408.61937
Area
2.4861971236547E+15
Volume
9.3253929234003E+22
Surface area
9.944788494619E+15
Circumference
176755408.61937
Perimeter
112525988
Area
791381123461009
Diagonal
39783944.587258
Surface area
4748286740766054
Volume
2.22627357005E+22
Space diagonal
48725182.096971
Perimeter
84394491
Area
3.4267807849635E+14
Altitude
24362591.048486
Surface area
3.4267807849635E+14
Volume
2.6236885635979E+21
Height
13261314.862419