28163920 is an even 8-digits composite number following 28163919
and preceding 28163921 . In scientific notation, it is written as 2.8163920 × 10^7.
The sum of its digits is 31. It has a total of 6 prime factors and 20 positive divisors.
There are 11265536 positive integers (up to 28163920) that are relatively prime to 28163920.
28163920 has 20 divisors, whose sum is 65481300
The reverse of 28163920 is 02936182
Previous prime number is 5
Is Prime? no
Number parity even
Number length 8
Sum of Digits 31
Digital Root 4
Name
twenty-eight million one hundred sixty-three thousand nine hundred twenty
Scientific notation
2.8163920 × 10^7
Engineering notation
2.8163920 × 10^6
Prime Factorization
2 × 2 × 2 × 2 × 5 × 352049
Composite number
ω
Distinct Factors
3
Total number of distinct prime factors
Ω
Total Factors
6
Total number of prime factors
rad
Radical
3520490
Product of the distinct prime numbers
The prime factorization of 28163920 is 2 × 2 × 2 × 2 × 5 × 352049.
Since it has a total of 6 prime factors.
8 , 5 , 61 , 91 , 606 , 3 , 7429 , 9325 , 5233 , 9691 , 3173 , 2303 , 9144698 , 8312622 , 81552344 , 72557094 , 938632123 , 215592356 , 8361981002 , 6929229291
n×2
56327840
n×3
84491760
n×4
112655680
n×5
140819600
n÷2
14081960
n÷3
9387973.3333333
n÷3
7040980
n÷5
5632784
n2
793206389766400
n3
2.233980130487E+22
n4
6.2917637676625E+29
n5
1.7720073141134E+37
2 √n
5306.9690031128
3 √n
304.25031322641
4 √n
72.848946479086
5 √n
30.89858706549
1 , 2 , 4 , 5 , 8 , 10 , 16 , 20 , 40 , 80 , 352049 , 704098 , 1408196 , 1760245 , 2816392 , 3520490 , 5632784 , 7040980 , 14081960 , 28163920
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
-28163919
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 28163920 can be divided by 20 positive divisors.
The sum of these divisors (counting 28163920) is 1, the average is 0.05.
Base
System
Value
2
Binary
1101011011011111101010000
3
Ternary
1221222212122011
4
Quaternary
1223123331100
5
Quinary
24202221140
6
Senary
2443352304
8
Octal
153337520
10
Decimal
28163920
12
Duodecimal
9522694
16
Hexadecimal
1adbf50
20
Vigesimal
8g09g0
36
Base36
grnf4
md5
458b0f4c208f51e383cdc1fe3030aef1
sha1
cd9652271c0031a9ffd1dcc80a1d688f01d4fb28
sha256
b6740373df6b8b68b0392c2828a9e72b33ca3d7560c1e4211b2d12347051c6a8
sha512
4fef0c26e610a615065a54bb545bfd2defe390676f7c063ccbd81048ba3e665a29c3cc8d11f84e174d7426c4e5b49f1a51e04ce1f809e74660c4c4479c0132dd
ripemd-160
48a97700c2cdd5d913281258cd698fbbb77a26b7
Diameter
56327840
Circumference
176959128.33658
Area
2.4919313668706E+15
Volume
9.3576740882712E+22
Surface area
9.9677254674824E+15
Circumference
176959128.33658
Perimeter
112655680
Area
793206389766400
Diagonal
39829797.633591
Surface area
4759238338598400
Volume
2.233980130487E+22
Space diagonal
48781340.380305
Perimeter
84491760
Area
3.4346844199092E+14
Altitude
24390670.190153
Surface area
3.4346844199092E+14
Volume
2.6327708321722E+21
Height
13276599.211197