28403725 is an odd 8-digits composite number following 28403724
and preceding 28403726 . In scientific notation, it is written as 2.8403725 × 10^7.
The sum of its digits is 31. It has a total of 4 prime factors and 16 positive divisors.
There are 19272000 positive integers (up to 28403725) that are relatively prime to 28403725.
28403725 has 16 divisors, whose sum is 35427456
The reverse of 28403725 is 52730482
Previous prime number is 101
Is Prime? no
Number parity odd
Number length 8
Sum of Digits 31
Digital Root 4
Name
twenty-eight million four hundred three thousand seven hundred twenty-five
Scientific notation
2.8403725 × 10^7
Engineering notation
2.8403725 × 10^6
Prime Factorization
5 × 35 × 101 × 1607
Composite number
ω
Distinct Factors
4
Total number of distinct prime factors
Ω
Total Factors
4
Total number of prime factors
rad
Radical
28403725
Product of the distinct prime numbers
The prime factorization of 28403725 is 5 × 35 × 101 × 1607.
Since it has a total of 4 prime factors.
8 , 7 , 5 , 38 , 771 , 961 , 9471 , 2913 , 58822 , 53730 , 92685 , 493426 , 1205709 , 9528010 , 36764077 , 67561944 , 128246550 , 280104496 , 1876500155 , 8500529286
n×2
56807450
n×3
85211175
n×4
113614900
n×5
142018625
n÷2
14201862.5
n÷3
9467908.3333333
n÷3
7100931.25
n÷5
5680745
n2
806771593875625
n3
2.2915318490255E+22
n4
6.5088040468462E+29
n5
1.8487428022551E+37
2 √n
5329.5145182277
3 √n
305.11139888464
4 √n
73.003524012391
5 √n
30.951026695686
1 , 5 , 35 , 101 , 175 , 505 , 1607 , 3535 , 8035 , 17675 , 56245 , 162307 , 281225 , 811535 , 5680745 , 28403725
16 divisors
τ
Total Divisors
16
Total number of the positive divisors of n
σ
Sum of Divisors
1
Sum of all the positive divisors of n
s
Aliquot Sum
-28403724
Sum of the proper positive divisors of n
A
Arithmetic Mean
0.0625
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
16
Returns the total number of divisors (τ(n )) divided by the sum of the reciprocal of each divisors
The number 28403725 can be divided by 16 positive divisors.
The sum of these divisors (counting 28403725) is 1, the average is 0.0625.
Base
System
Value
2
Binary
1101100010110100000001101
3
Ternary
1222110001120211
4
Quaternary
1230112200031
5
Quinary
24232404400
6
Senary
2452442421
8
Octal
154264015
10
Decimal
28403725
12
Duodecimal
9619411
16
Hexadecimal
1b1680d
20
Vigesimal
8ha965
36
Base36
gwsgd
md5
a401429707cccd0748a60998bfe854b6
sha1
e3ecc7c035c4017479996dcdd10144363868be68
sha256
72681194c65583accf4e5d9cdff8a8c1c97544a35a6f884d911c1e85d4fc8004
sha512
f911b835ee5725141f6676e088dae25f69b7bf50e9a3bb65aeb0b7e97b861a725bf8ad717254a78c4a16aafbfac4f11d547bc0726e2f1edde33bb0ed4a56f629
ripemd-160
c9962f7e350bd36ade9f00d8e76031e506e10cc5
Diameter
56807450
Circumference
178465867.58917
Area
2.5345477124446E+15
Volume
9.598746163154E+22
Surface area
1.0138190849778E+16
Circumference
178465867.58917
Perimeter
113614900
Area
806771593875625
Diagonal
40168933.116916
Surface area
4840629563253750
Volume
2.2915318490255E+22
Space diagonal
49196694.824214
Perimeter
85211175
Area
3.4934234767398E+14
Altitude
24598347.412107
Surface area
3.4934234767398E+14
Volume
2.7005961829181E+21
Height
13389644.372305