28751723 is an odd 8-digits composite number following 28751722
and preceding 28751724 . In scientific notation, it is written as 2.8751723 × 10^7.
The sum of its digits is 35. It has a total of 3 prime factors and 8 positive divisors.
There are 20679840 positive integers (up to 28751723) that are relatively prime to 28751723.
28751723 has 8 divisors, whose sum is 31366608
The reverse of 28751723 is 32715782
Previous prime number is 13
Is Prime? no
Number parity odd
Number length 8
Sum of Digits 35
Digital Root 8
Name
twenty-eight million seven hundred fifty-one thousand seven hundred twenty-three
Scientific notation
2.8751723 × 10^7
Engineering notation
2.8751723 × 10^6
Prime Factorization
77 × 13 × 28723
Composite number
ω
Distinct Factors
3
Total number of distinct prime factors
Ω
Total Factors
3
Total number of prime factors
rad
Radical
28751723
Product of the distinct prime numbers
The prime factorization of 28751723 is 77 × 13 × 28723.
Since it has a total of 3 prime factors.
6 , 6 , 37 , 75 , 253 , 272 , 9997 , 1446 , 75761 , 35705 , 407669 , 139842 , 7388013 , 4589770 , 47644285 , 29999929 , 631606265 , 184014973 , 5190158143 , 9640065767
n×2
57503446
n×3
86255169
n×4
115006892
n×5
143758615
n÷2
14375861.5
n÷3
9583907.6666667
n÷3
7187930.75
n÷5
5750344.6
n2
826661575468729
n3
2.376794463262E+22
n4
6.8336936035644E+29
n5
1.9648046555656E+37
2 √n
5362.0633155531
3 √n
306.35240346116
4 √n
73.226110886439
5 √n
31.026499154249
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
-28751722
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 28751723 can be divided by 8 positive divisors.
The sum of these divisors (counting 28751723) is 1, the average is 0.125.
Base
System
Value
2
Binary
1101101101011011101101011
3
Ternary
2000002201221122
4
Quaternary
1231223131223
5
Quinary
24330023343
6
Senary
2504125455
8
Octal
155533553
10
Decimal
28751723
12
Duodecimal
976688b
16
Hexadecimal
1b6b76b
20
Vigesimal
8jdj63
36
Base36
h48yz
md5
522e7f4ade5cba320b65a25e7cfaa58e
sha1
de482374108c5d9322d847ddde98fc6edc01d8ee
sha256
df02cb0c1284aafe6dfa2beea083b376bcc01ca24dc42c9e6452541de785463c
sha512
fbdba9296c9c377de229ddc0502686ede2a50e02f6dfde0568890c0f2d11ab5f6fbec542773e12ec2a9d43364c39985883220e28642887a35aab2699c7b1555d
ripemd-160
0119f445b13e40d7cadcc4f1caec90d9510b3895
Diameter
57503446
Circumference
180652403.5097
Area
2.5970339324975E+15
Volume
9.9558933665026E+22
Surface area
1.038813572999E+16
Circumference
180652403.5097
Perimeter
115006892
Area
826661575468729
Diagonal
40661076.608194
Surface area
4959969452812374
Volume
2.376794463262E+22
Space diagonal
49799445.041147
Perimeter
86255169
Area
3.5795496234419E+14
Altitude
24899722.520573
Surface area
3.5795496234419E+14
Volume
2.8010791374321E+21
Height
13553692.202731