28753387 is an odd 8-digits composite number following 28753386
and preceding 28753388 . In scientific notation, it is written as 2.8753387 × 10^7.
The sum of its digits is 43. It has a total of 4 prime factors and 16 positive divisors.
There are 25776000 positive integers (up to 28753387) that are relatively prime to 28753387.
28753387 has 16 divisors, whose sum is 31872960
The reverse of 28753387 is 78335782
Previous prime number is 61
Is Prime? no
Number parity odd
Number length 8
Sum of Digits 43
Digital Root 7
Name
twenty-eight million seven hundred fifty-three thousand three hundred eighty-seven
Scientific notation
2.8753387 × 10^7
Engineering notation
2.8753387 × 10^6
Prime Factorization
101 × 13 × 61 × 359
Composite number
ω
Distinct Factors
4
Total number of distinct prime factors
Ω
Total Factors
4
Total number of prime factors
rad
Radical
28753387
Product of the distinct prime numbers
The prime factorization of 28753387 is 101 × 13 × 61 × 359.
Since it has a total of 4 prime factors.
3 , 1 , 22 , 14 , 641 , 250 , 387 , 2890 , 28699 , 56938 , 786790 , 557054 , 4577314 , 6978371 , 79739893 , 87356528 , 468927849 , 734702236 , 5516967929 , 6778998744
n×2
57506774
n×3
86260161
n×4
115013548
n×5
143766935
n÷2
14376693.5
n÷3
9584462.3333333
n÷3
7188346.75
n÷5
5750677.4
n2
826757263971769
n3
2.3772071566041E+22
n4
6.8352757353009E+29
n5
1.9653732846882E+37
2 √n
5362.2184774587
3 √n
306.3583133744
4 √n
73.227170349937
5 √n
31.026858276375
1 , 13 , 61 , 101 , 359 , 793 , 1313 , 4667 , 6161 , 21899 , 36259 , 80093 , 284687 , 471367 , 2211799 , 28753387
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
-28753386
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 28753387 can be divided by 16 positive divisors.
The sum of these divisors (counting 28753387) is 1, the average is 0.0625.
Base
System
Value
2
Binary
1101101101011110111101011
3
Ternary
2000002211020021
4
Quaternary
1231223313223
5
Quinary
24330102022
6
Senary
2504141311
8
Octal
155536753
10
Decimal
28753387
12
Duodecimal
9767837
16
Hexadecimal
1b6bdeb
20
Vigesimal
8je397
36
Base36
h4a97
md5
e3e3f0011f182c6b74df76198e78ddbc
sha1
91e0cda3e85a7b5461e10f5d1d8ab0c4e7c81b00
sha256
42fcf0654878f47227062c70ba6d010a57a0dbab841add1f64ee652903059ab6
sha512
463b740ccf84afe515dbaf355efaa98bdd9ce5145dc6221726837453f1a6573d2c3e1aeca640e12b797b1ef74acd63568e70d4bcf27f5049af52709c7624e441
ripemd-160
8ab8d9ccfa6feef2f093cf07b98de1e0bac3a096
Diameter
57506774
Circumference
180662858.73005
Area
2.5973345467957E+15
Volume
9.9576220523315E+22
Surface area
1.0389338187183E+16
Circumference
180662858.73005
Perimeter
115013548
Area
826757263971769
Diagonal
40663429.859562
Surface area
4960543583830614
Volume
2.3772071566041E+22
Space diagonal
49802327.17369
Perimeter
86260161
Area
3.5799639668143E+14
Altitude
24901163.586845
Surface area
3.5799639668143E+14
Volume
2.8015655012E+21
Height
13554476.619854