28696688 is an even 8-digits composite number following 28696687
and preceding 28696689 . In scientific notation, it is written as 2.8696688 × 10^7.
The sum of its digits is 53. It has a total of 6 prime factors and 20 positive divisors.
There are 13593024 positive integers (up to 28696688) that are relatively prime to 28696688.
28696688 has 20 divisors, whose sum is 58526760
The reverse of 28696688 is 88669682
Previous prime number is 19
Is Prime? no
Number parity even
Number length 8
Sum of Digits 53
Digital Root 8
Name
twenty-eight million six hundred ninety-six thousand six hundred eighty-eight
Scientific notation
2.8696688 × 10^7
Engineering notation
2.8696688 × 10^6
Prime Factorization
2 × 2 × 2 × 2 × 19 × 94397
Composite number
ω
Distinct Factors
3
Total number of distinct prime factors
Ω
Total Factors
6
Total number of prime factors
rad
Radical
3587086
Product of the distinct prime numbers
The prime factorization of 28696688 is 2 × 2 × 2 × 2 × 19 × 94397.
Since it has a total of 6 prime factors.
8 , 8 , 65 , 97 , 500 , 381 , 972 , 9006 , 83964 , 74040 , 375839 , 599827 , 8417047 , 9542046 , 68223200 , 38154986 , 360534758 , 786426952 , 5130676290 , 442791471
n×2
57393376
n×3
86090064
n×4
114786752
n×5
143483440
n÷2
14348344
n÷3
9565562.6666667
n÷3
7174172
n÷5
5739337.6
n2
823499902169344
n3
2.3631719760584E+22
n4
6.7815208887292E+29
n5
1.9460718910934E+37
2 √n
5356.9289709683
3 √n
306.15681085213
4 √n
73.191044335823
5 √n
31.014612198608
1 , 2 , 4 , 8 , 16 , 19 , 38 , 76 , 152 , 304 , 94397 , 188794 , 377588 , 755176 , 1510352 , 1793543 , 3587086 , 7174172 , 14348344 , 28696688
20 divisors
τ
Total Divisors
20
Total number of the positive divisors of n
σ
Sum of Divisors
1
Sum of all the positive divisors of n
s
Aliquot Sum
-28696687
Sum of the proper positive divisors of n
A
Arithmetic Mean
0.05
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
20
Returns the total number of divisors (τ(n )) divided by the sum of the reciprocal of each divisors
The number 28696688 can be divided by 20 positive divisors.
The sum of these divisors (counting 28696688) is 1, the average is 0.05.
Base
System
Value
2
Binary
1101101011110000001110000
3
Ternary
1222222221110022
4
Quaternary
1231132001300
5
Quinary
24321243223
6
Senary
2503023012
8
Octal
155360160
10
Decimal
28696688
12
Duodecimal
973aa68
16
Hexadecimal
1b5e070
20
Vigesimal
8j71e8
36
Base36
h32i8
md5
96c22211415c49fb35ff8af59b6920ff
sha1
855827c414f5bb2497605236201c59bea34c73d4
sha256
d7c12a83eb974bc52c59649e99f952969bfc374da2b96f19c286876c60d94bce
sha512
095f962f4af80d7587e8e93696d3263f02b38e52ca9a35706b2f3d2e27fca72c480ef00ae4c4ac74e139e9196afaa7a8a4802004dff420084d140810444579a6
ripemd-160
736edf39e48a628b8315d8ca67e808a13fc53dfd
Diameter
57393376
Circumference
180306608.40632
Area
2.5871012428871E+15
Volume
9.8988316255392E+22
Surface area
1.0348404971548E+16
Circumference
180306608.40632
Perimeter
114786752
Area
823499902169344
Diagonal
40583245.364789
Surface area
4940999413016064
Volume
2.3631719760584E+22
Space diagonal
49704121.624952
Perimeter
86090064
Area
3.5658591764633E+14
Altitude
24852060.812476
Surface area
3.5658591764633E+14
Volume
2.7850248823015E+21
Height
13527748.45493