28161725 is an odd 8-digits composite number following 28161724
and preceding 28161726 . In scientific notation, it is written as 2.8161725 × 10^7.
The sum of its digits is 32. It has a total of 3 prime factors and 8 positive divisors.
There are 22354800 positive integers (up to 28161725) that are relatively prime to 28161725.
28161725 has 8 divisors, whose sum is 29515200
The reverse of 28161725 is 52716182
Previous prime number is 131
Is Prime? no
Number parity odd
Number length 8
Sum of Digits 32
Digital Root 5
Name
twenty-eight million one hundred sixty-one thousand seven hundred twenty-five
Scientific notation
2.8161725 × 10^7
Engineering notation
2.8161725 × 10^6
Prime Factorization
25 × 131 × 8599
Composite number
ω
Distinct Factors
3
Total number of distinct prime factors
Ω
Total Factors
3
Total number of prime factors
rad
Radical
28161725
Product of the distinct prime numbers
The prime factorization of 28161725 is 25 × 131 × 8599.
Since it has a total of 3 prime factors.
4 , 2 , 50 , 28 , 540 , 828 , 5832 , 3358 , 28551 , 3678 , 216758 , 978344 , 7802253 , 9268300 , 54830538 , 76430393 , 567402041 , 252764214 , 2979829573 , 6725809739
n×2
56323450
n×3
84485175
n×4
112646900
n×5
140808625
n÷2
14080862.5
n÷3
9387241.6666667
n÷3
7040431.25
n÷5
5632345
n2
793082754975625
n3
2.2334578447866E+22
n4
6.2898025623973E+29
n5
1.7713169006653E+37
2 √n
5306.7621955388
3 √n
304.24240894334
4 √n
72.847527037909
5 √n
30.898105424347
8 divisors
τ
Total Divisors
8
Total number of the positive divisors of n
σ
Sum of Divisors
1
Sum of all the positive divisors of n
s
Aliquot Sum
-28161724
Sum of the proper positive divisors of n
A
Arithmetic Mean
0.125
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
8
Returns the total number of divisors (τ(n )) divided by the sum of the reciprocal of each divisors
The number 28161725 can be divided by 8 positive divisors.
The sum of these divisors (counting 28161725) is 1, the average is 0.125.
Base
System
Value
2
Binary
1101011011011011010111101
3
Ternary
1221222202121212
4
Quaternary
1223123122331
5
Quinary
24202133400
6
Senary
2443334205
8
Octal
153333275
10
Decimal
28161725
12
Duodecimal
9521365
16
Hexadecimal
1adb6bd
20
Vigesimal
8g0465
36
Base36
grlq5
md5
cdd8495d8a35ffc932213833c450810a
sha1
62d639db9e23680ae2768a77a9148e9559733b19
sha256
ca644f4a4399ce152b8af32fa7d7562d3f31a6caab6c4c22f8eea407251fdf82
sha512
0ea9f519b9c9c60d9d06b757a1c87a3cd8eb27a9ffb3735d4c50f4d4d38b13c5683fde596d249e7d4f8cd54314fff0aafe6c3f87857e086e594601374b89f78c
ripemd-160
342ca7ce7cdfc46e5250bbad2cc56a479928fcc8
Diameter
56323450
Circumference
176945336.74483
Area
2.4915429567202E+15
Volume
9.3554863430454E+22
Surface area
9.9661718268807E+15
Circumference
176945336.74483
Perimeter
112646900
Area
793082754975625
Diagonal
39826693.434821
Surface area
4758496529853750
Volume
2.2334578447866E+22
Space diagonal
48777538.528783
Perimeter
84485175
Area
3.4341490655612E+14
Altitude
24388769.264391
Surface area
3.4341490655612E+14
Volume
2.6321553125715E+21
Height
13275564.478274