28688087 is an odd 8-digits prime number following 28688086
and preceding 28688088 . In scientific notation, it is written as 2.8688087 × 10^7.
The sum of its digits is 47. It has a total of 1 prime factors and 2 positive divisors.
There are 28688086 positive integers (up to 28688087) that are relatively prime to 28688087.
28688087 has 2 divisors, whose sum is 28688088
The reverse of 28688087 is 78088682
Previous prime number is 1
Is Prime? yes
Number parity odd
Number length 8
Sum of Digits 47
Digital Root 2
Name
twenty-eight million six hundred eighty-eight thousand eighty-seven
Scientific notation
2.8688087 × 10^7
Engineering notation
2.8688087 × 10^6
Prime Factorization
28688087
Composite number
ω
Distinct Factors
1
Total number of distinct prime factors
Ω
Total Factors
1
Total number of prime factors
rad
Radical
28688087
Product of the distinct prime numbers
The prime factorization of 28688087 is 28688087.
Since it has a total of 1 prime factors.
7 , 6 , 66 , 71 , 944 , 639 , 1887 , 7909 , 38921 , 88572 , 618267 , 544025 , 7032701 , 5117243 , 34538360 , 8073581 , 59902891 , 871266297 , 1606507374 , 3651578690
n×2
57376174
n×3
86064261
n×4
114752348
n×5
143440435
n÷2
14344043.5
n÷3
9562695.6666667
n÷3
7172021.75
n÷5
5737617.4
n2
823006335719569
n3
2.3610477360674E+22
n4
6.7733942863455E+29
n5
1.9431572457198E+37
2 √n
5356.1261187541
3 √n
306.12622058733
4 √n
73.185559496079
5 √n
31.012752829567
2 divisors
τ
Total Divisors
2
Total number of the positive divisors of n
σ
Sum of Divisors
28688088
Sum of all the positive divisors of n
s
Aliquot Sum
1
Sum of the proper positive divisors of n
A
Arithmetic Mean
14344044
Returns the sum of divisors (σ(n )) divided by the total number of divisors (τ(n ))
G
Geometric Mean
5356.1262121052
Returns the nth root of the product of n divisors
H
Harmonic Mean
1.9999999302847
Returns the total number of divisors (τ(n )) divided by the sum of the reciprocal of each divisors
The number 28688087 can be divided by 2 positive divisors.
The sum of these divisors (counting 28688087) is 28688088, the average is 14344044.
Base
System
Value
2
Binary
1101101011011111011010111
3
Ternary
1222222111122202
4
Quaternary
1231123323113
5
Quinary
24321004322
6
Senary
2502515115
8
Octal
155337327
10
Decimal
28688087
12
Duodecimal
9735a9b
16
Hexadecimal
1b5bed7
20
Vigesimal
8j6047
36
Base36
h2vvb
md5
804f8610c22984d7f2a34e24d7d6b354
sha1
c1c7f78b98ac92103abd22f579fc237e3ccbe923
sha256
fc006a4a395de4abab27797c8c9bd3fce0bd1c2b1392826103374a4758f40473
sha512
db5877dd805ad686f8c7f24b8dc338adb561718f57ba268c7526dd74598cc06475e3f77a241e6be05e3ac7d91408fcb78c78f84bee9af535bbaabd2ee5e6fae2
ripemd-160
74a1ee457a7c28afafc04d2111b55b7c652ec4bb
Diameter
57376174
Circumference
180252566.72949
Area
2.5855506581545E+15
Volume
9.8899336298723E+22
Surface area
1.0342202632618E+16
Circumference
180252566.72949
Perimeter
114752348
Area
823006335719569
Diagonal
40571081.713939
Surface area
4938038014317414
Volume
2.3610477360674E+22
Space diagonal
49689224.255956
Perimeter
86064261
Area
3.5637219710435E+14
Altitude
24844612.127978
Surface area
3.5637219710435E+14
Volume
2.782521441464E+21
Height
13523693.904646