28888900 is an even 8-digits composite number following 28888899
and preceding 28888901 . In scientific notation, it is written as 2.8888900 × 10^7.
The sum of its digits is 43. It has a total of 6 prime factors and 36 positive divisors.
There are 11181600 positive integers (up to 28888900) that are relatively prime to 28888900.
28888900 has 36 divisors, whose sum is 64718080
The reverse of 28888900 is 00988882
Previous prime number is 5
Is Prime? no
Number parity even
Number length 8
Sum of Digits 43
Digital Root 7
Name
twenty-eight million eight hundred eighty-eight thousand nine hundred
Scientific notation
2.8888900 × 10^7
Engineering notation
2.8888900 × 10^6
Prime Factorization
2 × 2 × 5 × 31 × 5 × 9319
Composite number
ω
Distinct Factors
4
Total number of distinct prime factors
Ω
Total Factors
6
Total number of prime factors
rad
Radical
2888890
Product of the distinct prime numbers
The prime factorization of 28888900 is 2 × 2 × 5 × 31 × 5 × 9319.
Since it has a total of 6 prime factors.
3 , 8 , 15 , 63 , 421 , 520 , 1321 , 2777 , 58568 , 87405 , 57084 , 326494 , 9077754 , 4937241 , 7669734 , 43014561 , 485196116 , 848145777 , 9057109156 , 9700948903
n×2
57777800
n×3
86666700
n×4
115555600
n×5
144444500
n÷2
14444450
n÷3
9629633.3333333
n÷3
7222225
n÷5
5777780
n2
834568543210000
n3
2.4109767187939E+22
n4
6.9650465331566E+29
n5
2.0121253279171E+37
2 √n
5374.8395324884
3 √n
306.83884208883
4 √n
73.313297105562
5 √n
31.056048845695
1 , 2 , 4 , 5 , 10 , 20 , 25 , 31 , 50 , 62 , 100 , 124 , 155 , 310 , 620 , 775 , 1550 , 3100 , 9319 , 18638 , 37276 , 46595 , 93190 , 186380 , 232975 , 288889 , 465950 , 577778 , 931900 , 1155556 , 1444445 , 2888890 , 5777780 , 7222225 , 14444450 , 28888900
36 divisors
τ
Total Divisors
36
Total number of the positive divisors of n
σ
Sum of Divisors
1
Sum of all the positive divisors of n
s
Aliquot Sum
-28888899
Sum of the proper positive divisors of n
A
Arithmetic Mean
0.027777777777778
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
36
Returns the total number of divisors (τ(n )) divided by the sum of the reciprocal of each divisors
The number 28888900 can be divided by 36 positive divisors.
The sum of these divisors (counting 28888900) is 1, the average is 0.027777777777778.
Base
System
Value
2
Binary
1101110001100111101000100
3
Ternary
2000100201010021
4
Quaternary
1232030331010
5
Quinary
24343421100
6
Senary
2511104524
8
Octal
156147504
10
Decimal
28888900
12
Duodecimal
9812144
16
Hexadecimal
1b8cf44
20
Vigesimal
90b250
36
Base36
h76tg
md5
ad0970155140afa545e537658187d207
sha1
2daa67856c26bccd5ef870f7ddc5413b24714fdd
sha256
35def3be1b7443e949a20dcb9bc9bb82a72ad8486f3c8cf0b00910b63660ce97
sha512
301ba715b42325400db9556412fb6b9173cc9d60b289461f021de30093d89ab672c7464e9d45f8526f75275b0e755ca8718228081b11dd73dbedcd14f63472b2
ripemd-160
b06b92e63e43a0006dc35f339c422a91e434f2b5
Diameter
57777800
Circumference
181514312.02058
Area
2.6218744042657E+15
Volume
1.0099075663652E+23
Surface area
1.0487497617063E+16
Circumference
181514312.02058
Perimeter
115555600
Area
834568543210000
Diagonal
40855074.18204
Surface area
5007411259260000
Volume
2.4109767187939E+22
Space diagonal
50037042.574777
Perimeter
86666700
Area
3.6137877980962E+14
Altitude
25018521.287388
Surface area
3.6137877980962E+14
Volume
2.8413633119035E+21
Height
13618358.06068