28125812 is an even 8-digits composite number following 28125811
and preceding 28125813 . In scientific notation, it is written as 2.8125812 × 10^7.
The sum of its digits is 29. It has a total of 5 prime factors and 24 positive divisors.
There are 11800800 positive integers (up to 28125812) that are relatively prime to 28125812.
28125812 has 24 divisors, whose sum is 57826272
The reverse of 28125812 is 21852182
Previous prime number is 13
Is Prime? no
Number parity even
Number length 8
Sum of Digits 29
Digital Root 2
Name
twenty-eight million one hundred twenty-five thousand eight hundred twelve
Scientific notation
2.8125812 × 10^7
Engineering notation
2.8125812 × 10^6
Prime Factorization
2 × 2 × 11 × 13 × 49171
Composite number
ω
Distinct Factors
4
Total number of distinct prime factors
Ω
Total Factors
5
Total number of prime factors
rad
Radical
14062906
Product of the distinct prime numbers
The prime factorization of 28125812 is 2 × 2 × 11 × 13 × 49171.
Since it has a total of 5 prime factors.
4 , 4 , 70 , 70 , 754 , 823 , 6777 , 4790 , 99929 , 30149 , 376381 , 808426 , 8947611 , 2089730 , 74375556 , 99088592 , 474456513 , 42458424 , 698847307 , 3223205990
n×2
56251624
n×3
84377436
n×4
112503248
n×5
140629060
n÷2
14062906
n÷3
9375270.6666667
n÷3
7031453
n÷5
5625162.4
n2
791061300659344
n3
2.224924142282E+22
n4
6.2577798140085E+29
n5
1.760051385862E+37
2 √n
5303.3774144407
3 √n
304.113026416
4 √n
72.824291376166
5 √n
30.890220892281
1 , 2 , 4 , 11 , 13 , 22 , 26 , 44 , 52 , 143 , 286 , 572 , 49171 , 98342 , 196684 , 540881 , 639223 , 1081762 , 1278446 , 2163524 , 2556892 , 7031453 , 14062906 , 28125812
24 divisors
τ
Total Divisors
24
Total number of the positive divisors of n
σ
Sum of Divisors
1
Sum of all the positive divisors of n
s
Aliquot Sum
-28125811
Sum of the proper positive divisors of n
A
Arithmetic Mean
0.041666666666667
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
24
Returns the total number of divisors (τ(n )) divided by the sum of the reciprocal of each divisors
The number 28125812 can be divided by 24 positive divisors.
The sum of these divisors (counting 28125812) is 1, the average is 0.041666666666667.
Base
System
Value
2
Binary
1101011010010101001110100
3
Ternary
1221220221100202
4
Quaternary
1223102221310
5
Quinary
24200011222
6
Senary
2442500032
8
Octal
153225164
10
Decimal
28125812
12
Duodecimal
9504618
16
Hexadecimal
1ad2a74
20
Vigesimal
8ffeac
36
Base36
gqu0k
md5
a67293c61bacf757f2c80b23afebd4cd
sha1
d412566f44363c441b3f73fdb9f41f4e726cac6f
sha256
72fa1a6751c73fdb9e187257df79624b28db6d3c5d02ab4126b487c6a4298add
sha512
f813220b98fdb4e26a729839f80a0879e9cb1f4f8a88edc7524642418865ba5832ee3543e102bc4c263c9a20a170157d5b246143653ae18436584319871bc773
ripemd-160
00db97ef5a273d75a375fa59038abdb893a1728f
Diameter
56251624
Circumference
176719688.7109
Area
2.4851923706906E+15
Volume
9.3197404535837E+22
Surface area
9.9407694827623E+15
Circumference
176719688.7109
Perimeter
112503248
Area
791061300659344
Diagonal
39775904.783156
Surface area
4746367803956064
Volume
2.224924142282E+22
Space diagonal
48715335.38813
Perimeter
84377436
Area
3.4253959116088E+14
Altitude
24357667.694065
Surface area
3.4253959116088E+14
Volume
2.6220982477221E+21
Height
13258634.927719