28695725 is an odd 8-digits composite number following 28695724
and preceding 28695726 . In scientific notation, it is written as 2.8695725 × 10^7.
The sum of its digits is 44. It has a total of 4 prime factors and 12 positive divisors.
There are 22913520 positive integers (up to 28695725) that are relatively prime to 28695725.
28695725 has 12 divisors, whose sum is 35649504
The reverse of 28695725 is 52759682
Previous prime number is 1187
Is Prime? no
Number parity odd
Number length 8
Sum of Digits 44
Digital Root 8
Name
twenty-eight million six hundred ninety-five thousand seven hundred twenty-five
Scientific notation
2.8695725 × 10^7
Engineering notation
2.8695725 × 10^6
Prime Factorization
5 × 5 × 1187 × 967
Composite number
ω
Distinct Factors
3
Total number of distinct prime factors
Ω
Total Factors
4
Total number of prime factors
rad
Radical
5739145
Product of the distinct prime numbers
The prime factorization of 28695725 is 5 × 5 × 1187 × 967.
Since it has a total of 4 prime factors.
2 , 9 , 32 , 98 , 399 , 19 , 7874 , 7652 , 99523 , 14279 , 886560 , 666898 , 1381815 , 5051623 , 33150772 , 32674084 , 559942378 , 452160551 , 2881364740 , 9519769070
n×2
57391450
n×3
86087175
n×4
114782900
n×5
143478625
n÷2
14347862.5
n÷3
9565241.6666667
n÷3
7173931.25
n÷5
5739145
n2
823444633275625
n3
2.3629340749203E+22
n4
6.7806106407043E+29
n5
1.9457453827772E+37
2 √n
5356.8390866256
3 √n
306.15338615603
4 √n
73.190430294032
5 √n
31.01440403889
1 , 5 , 25 , 967 , 1187 , 4835 , 5935 , 24175 , 29675 , 1147829 , 5739145 , 28695725
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
-28695724
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 28695725 can be divided by 12 positive divisors.
The sum of these divisors (counting 28695725) is 1, the average is 0.083333333333333.
Base
System
Value
2
Binary
1101101011101110010101101
3
Ternary
1222222220010122
4
Quaternary
1231131302231
5
Quinary
24321230400
6
Senary
2503014325
8
Octal
155356255
10
Decimal
28695725
12
Duodecimal
973a3a5
16
Hexadecimal
1b5dcad
20
Vigesimal
8j6j65
36
Base36
h31rh
md5
5271f390123decf99e3ccd0e04608e1b
sha1
a633f5da6786def851ceacd3b1af9b8ef029d803
sha256
83cf72e8937c99b5b2a3f3a1c7d1a30fbbf6f8fe8b6af64ad38aca91b11e629a
sha512
88ba675a31658d1ad25f36ec3238a9689f54ae43f8578d7698c0b93c73f87d778013372a56a9ec639371d0c6a37cad18ea5ab42c4baabaea72f9a45cae986e14
ripemd-160
2a1c6d8aafbaa4e4b290bb2713d08d06bf7483aa
Diameter
57391450
Circumference
180300557.69887
Area
2.5869276105366E+15
Volume
9.8978351075822E+22
Surface area
1.0347710442147E+16
Circumference
180300557.69887
Perimeter
114782900
Area
823444633275625
Diagonal
40581883.477129
Surface area
4940667799653750
Volume
2.3629340749203E+22
Space diagonal
49702453.660024
Perimeter
86087175
Area
3.5656198551333E+14
Altitude
24851226.830012
Surface area
3.5656198551333E+14
Volume
2.7847445131215E+21
Height
13527294.492376