28621825 is an odd 8-digits composite number following 28621824
and preceding 28621826 . In scientific notation, it is written as 2.8621825 × 10^7.
The sum of its digits is 34. It has a total of 4 prime factors and 12 positive divisors.
There are 22409360 positive integers (up to 28621825) that are relatively prime to 28621825.
28621825 has 12 divisors, whose sum is 36247680
The reverse of 28621825 is 52812682
Previous prime number is 5
Is Prime? no
Number parity odd
Number length 8
Sum of Digits 34
Digital Root 7
Name
twenty-eight million six hundred twenty-one thousand eight hundred twenty-five
Scientific notation
2.8621825 × 10^7
Engineering notation
2.8621825 × 10^6
Prime Factorization
5 × 47 × 5 × 24359
Composite number
ω
Distinct Factors
3
Total number of distinct prime factors
Ω
Total Factors
4
Total number of prime factors
rad
Radical
5724365
Product of the distinct prime numbers
The prime factorization of 28621825 is 5 × 47 × 5 × 24359.
Since it has a total of 4 prime factors.
2 , 5 , 83 , 70 , 159 , 24 , 9598 , 5015 , 62412 , 9964 , 914912 , 662091 , 8963684 , 1444422 , 88202019 , 6269084 , 640841723 , 184577585 , 8618021357 , 5587042464
n×2
57243650
n×3
85865475
n×4
114487300
n×5
143109125
n÷2
14310912.5
n÷3
9540608.3333333
n÷3
7155456.25
n÷5
5724365
n2
819208866330625
n3
2.3447252810564E+22
n4
6.7110316667471E+29
n5
1.9208197393509E+37
2 √n
5349.9369155159
3 √n
305.89034831244
4 √n
73.143262953712
5 √n
30.998413300838
1 , 5 , 25 , 47 , 235 , 1175 , 24359 , 121795 , 608975 , 1144873 , 5724365 , 28621825
12 divisors
τ
Total Divisors
12
Total number of the positive divisors of n
σ
Sum of Divisors
1
Sum of all the positive divisors of n
s
Aliquot Sum
-28621824
Sum of the proper positive divisors of n
A
Arithmetic Mean
0.083333333333333
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
12
Returns the total number of divisors (τ(n )) divided by the sum of the reciprocal of each divisors
The number 28621825 can be divided by 12 positive divisors.
The sum of these divisors (counting 28621825) is 1, the average is 0.083333333333333.
Base
System
Value
2
Binary
1101101001011110000000001
3
Ternary
1222212010202121
4
Quaternary
1231023300001
5
Quinary
24311344300
6
Senary
2501244241
8
Octal
155136001
10
Decimal
28621825
12
Duodecimal
9703681
16
Hexadecimal
1b4bc01
20
Vigesimal
8iheb5
36
Base36
h1gqp
md5
9bf13c5addc80d194ff623ea6301eb6c
sha1
ec144728762e265cfb4f1088f7e977ec8701d13a
sha256
bae2f9aec404331416a86b512d42467a2b466ff56fd9e5b28f0196a34a533527
sha512
7d399515a7198785f619cedb8e3239c431b36793ac4943970e85dedc882f0148e69044123adb147026463cc70d226696f3d6c6de22fbbdaa16639d4a60e142e9
ripemd-160
2e9778be4fe21b70cbb0ba853cc1c3dc51ae0aef
Diameter
57243650
Circumference
179836230.30467
Area
2.5736205562199E+15
Volume
9.8215622902039E+22
Surface area
1.029448222488E+16
Circumference
179836230.30467
Perimeter
114487300
Area
819208866330625
Diagonal
40477373.094869
Surface area
4915253197983750
Volume
2.3447252810564E+22
Space diagonal
49574455.105345
Perimeter
85865475
Area
3.5472784462389E+14
Altitude
24787227.552673
Surface area
3.5472784462389E+14
Volume
2.7632852437575E+21
Height
13492457.69829