28888081 is an odd 8-digits composite number following 28888080
and preceding 28888082 . In scientific notation, it is written as 2.8888081 × 10^7.
The sum of its digits is 43. It has a total of 2 prime factors and 4 positive divisors.
There are 28864512 positive integers (up to 28888081) that are relatively prime to 28888081.
28888081 has 4 divisors, whose sum is 28911652
The reverse of 28888081 is 18088882
Previous prime number is 1297
Is Prime? no
Number parity odd
Number length 8
Sum of Digits 43
Digital Root 7
Name
twenty-eight million eight hundred eighty-eight thousand eighty-one
Scientific notation
2.8888081 × 10^7
Engineering notation
2.8888081 × 10^6
Prime Factorization
1297 × 22273
Composite number
ω
Distinct Factors
2
Total number of distinct prime factors
Ω
Total Factors
2
Total number of prime factors
rad
Radical
28888081
Product of the distinct prime numbers
The prime factorization of 28888081 is 1297 × 22273.
Since it has a total of 2 prime factors.
10 , 2 , 72 , 38 , 534 , 454 , 9697 , 5601 , 49133 , 33766 , 362865 , 931918 , 1402387 , 6425575 , 50453837 , 28379613 , 895963006 , 380014307 , 4754163839 , 8545853898
n×2
57776162
n×3
86664243
n×4
115552324
n×5
144440405
n÷2
14444040.5
n÷3
9629360.3333333
n÷3
7222020.25
n÷5
5777616.2
n2
834521223862561
n3
2.4107716711161E+22
n4
6.9642567307707E+29
n5
2.011840125433E+37
2 √n
5374.7633436273
3 √n
306.83594243549
4 √n
73.312777492244
5 √n
31.055872755969
4 divisors
τ
Total Divisors
4
Total number of the positive divisors of n
σ
Sum of Divisors
1
Sum of all the positive divisors of n
s
Aliquot Sum
-28888080
Sum of the proper positive divisors of n
A
Arithmetic Mean
0.25
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
4
Returns the total number of divisors (τ(n )) divided by the sum of the reciprocal of each divisors
The number 28888081 can be divided by 4 positive divisors.
The sum of these divisors (counting 28888081) is 1, the average is 0.25.
Base
System
Value
2
Binary
1101110001100110000010001
3
Ternary
2000100122222221
4
Quaternary
1232030300101
5
Quinary
24343404311
6
Senary
2511101041
8
Octal
156146021
10
Decimal
28888081
12
Duodecimal
9811781
16
Hexadecimal
1b8cc11
20
Vigesimal
90b041
36
Base36
h766p
md5
acf8d7de408b6c55a8c42c5fdcd6679f
sha1
3983147f5fa3812bb466e598cf5d255c91c0aa49
sha256
fc894da6ef2cb62b126848c7f3855a7bd59dd907eee32874eb051f8a8381d437
sha512
3cfc99cb031c7dfca15f3b5a99f3c6cc1561774d68e444ed8307b802a702f4f616c98c9226e63cd72f720d407d6bbb4181300f50f380fc5f020995eda0e85398
ripemd-160
9b9c6f2f7a1da0eb22cc3fe324b91f18aeb097cd
Diameter
57776162
Circumference
181509166.09181
Area
2.6217257461514E+15
Volume
1.0098216761948E+23
Surface area
1.0486902984606E+16
Circumference
181509166.09181
Perimeter
115552324
Area
834521223862561
Diagonal
40853915.941133
Surface area
5007127343175366
Volume
2.4107716711161E+22
Space diagonal
50035624.025165
Perimeter
86664243
Area
3.6135828993113E+14
Altitude
25017812.012583
Surface area
3.6135828993113E+14
Volume
2.8411216608977E+21
Height
13617971.980378