28871736 is an even 8-digits composite number following 28871735
and preceding 28871737 . In scientific notation, it is written as 2.8871736 × 10^7.
The sum of its digits is 42. It has a total of 6 prime factors and 32 positive divisors.
There are 9601280 positive integers (up to 28871736) that are relatively prime to 28871736.
28871736 has 32 divisors, whose sum is 72349200
The reverse of 28871736 is 63717882
Previous prime number is 521
Is Prime? no
Number parity even
Number length 8
Sum of Digits 42
Digital Root 6
Name
twenty-eight million eight hundred seventy-one thousand seven hundred thirty-six
Scientific notation
2.8871736 × 10^7
Engineering notation
2.8871736 × 10^6
Prime Factorization
2 × 2 × 2 × 3 × 521 × 2309
Composite number
ω
Distinct Factors
4
Total number of distinct prime factors
Ω
Total Factors
6
Total number of prime factors
rad
Radical
7217934
Product of the distinct prime numbers
The prime factorization of 28871736 is 2 × 2 × 2 × 3 × 521 × 2309.
Since it has a total of 6 prime factors.
6 , 9 , 36 , 13 , 781 , 439 , 3451 , 7295 , 70621 , 5015 , 929040 , 850161 , 9777845 , 8460501 , 92678152 , 69013254 , 494779856 , 839221014 , 8014446368 , 555377105
n×2
57743472
n×3
86615208
n×4
115486944
n×5
144358680
n÷2
14435868
n÷3
9623912
n÷3
7217934
n÷5
5774347.2
n2
833577139653696
n3
2.4066819111717E+22
n4
6.9485084775324E+29
n5
2.0061550235708E+37
2 √n
5373.2425964216
3 √n
306.7780618208
4 √n
73.302405120307
5 √n
31.052357651162
1 , 2 , 3 , 4 , 6 , 8 , 12 , 24 , 521 , 1042 , 1563 , 2084 , 2309 , 3126 , 4168 , 4618 , 6252 , 6927 , 9236 , 12504 , 13854 , 18472 , 27708 , 55416 , 1202989 , 2405978 , 3608967 , 4811956 , 7217934 , 9623912 , 14435868 , 28871736
32 divisors
τ
Total Divisors
32
Total number of the positive divisors of n
σ
Sum of Divisors
1
Sum of all the positive divisors of n
s
Aliquot Sum
-28871735
Sum of the proper positive divisors of n
A
Arithmetic Mean
0.03125
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
32
Returns the total number of divisors (τ(n )) divided by the sum of the reciprocal of each divisors
The number 28871736 can be divided by 32 positive divisors.
The sum of these divisors (counting 28871736) is 1, the average is 0.03125.
Base
System
Value
2
Binary
1101110001000110000111000
3
Ternary
2000022211120120
4
Quaternary
1232020300320
5
Quinary
24342343421
6
Senary
2510453240
8
Octal
156106070
10
Decimal
28871736
12
Duodecimal
9804220
16
Hexadecimal
1b88c38
20
Vigesimal
908j6g
36
Base36
h6tko
md5
68a639b6503cecf008f3f6b69394bc72
sha1
61f251568a0f9467e3151539b36043886cf582cc
sha256
e33ec319d735d24846968cdc5a929e4601a5a3d61ce4943632c8b8a80e681a52
sha512
7e8821ef6b6dd635c4d10f6ec86c072d726de27fcb036b302ed2d0549d4ec167c8ef9502e0ee063bb7062c6030c9251a0b686a2db73b88087380eee5c011d6fe
ripemd-160
117faed414c98dbee2e4aee59cd19aafc376747b
Diameter
57743472
Circumference
181406467.42797
Area
2.6187598181364E+15
Volume
1.0081085615552E+23
Surface area
1.0475039272546E+16
Circumference
181406467.42797
Perimeter
115486944
Area
833577139653696
Diagonal
40830800.620456
Surface area
5001462837922176
Volume
2.4066819111717E+22
Space diagonal
50007313.654715
Perimeter
86615208
Area
3.6094948947703E+14
Altitude
25003656.827358
Surface area
3.6094948947703E+14
Volume
2.8363018325808E+21
Height
13610266.873485