28231880 is an even 8-digits composite number following 28231879
and preceding 28231881 . In scientific notation, it is written as 2.8231880 × 10^7.
The sum of its digits is 32. It has a total of 6 prime factors and 32 positive divisors.
There are 11226816 positive integers (up to 28231880) that are relatively prime to 28231880.
28231880 has 32 divisors, whose sum is 63892800
The reverse of 28231880 is 08813282
Previous prime number is 179
Is Prime? no
Number parity even
Number length 8
Sum of Digits 32
Digital Root 5
Name
twenty-eight million two hundred thirty-one thousand eight hundred eighty
Scientific notation
2.8231880 × 10^7
Engineering notation
2.8231880 × 10^6
Prime Factorization
2 × 2 × 2 × 5 × 179 × 3943
Composite number
ω
Distinct Factors
4
Total number of distinct prime factors
Ω
Total Factors
6
Total number of prime factors
rad
Radical
7057970
Product of the distinct prime numbers
The prime factorization of 28231880 is 2 × 2 × 2 × 5 × 179 × 3943.
Since it has a total of 6 prime factors.
2 , 3 , 35 , 15 , 969 , 456 , 2367 , 629 , 25855 , 94792 , 722518 , 886704 , 486241 , 9788587 , 16719870 , 61438967 , 796366956 , 575447781 , 6715561912 , 1815105933
n×2
56463760
n×3
84695640
n×4
112927520
n×5
141159400
n÷2
14115940
n÷3
9410626.6666667
n÷3
7057970
n÷5
5646376
n2
797039048334400
n3
2.2501910767891E+22
n4
6.3527124456981E+29
n5
1.7934901544145E+37
2 √n
5313.3680467289
3 √n
304.49483698059
4 √n
72.892853193773
5 √n
30.913484452644
1 , 2 , 4 , 5 , 8 , 10 , 20 , 40 , 179 , 358 , 716 , 895 , 1432 , 1790 , 3580 , 3943 , 7160 , 7886 , 15772 , 19715 , 31544 , 39430 , 78860 , 157720 , 705797 , 1411594 , 2823188 , 3528985 , 5646376 , 7057970 , 14115940 , 28231880
32 divisors
τ
Total Divisors
32
Total number of the positive divisors of n
σ
Sum of Divisors
1
Sum of all the positive divisors of n
s
Aliquot Sum
-28231879
Sum of the proper positive divisors of n
A
Arithmetic Mean
0.03125
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
32
Returns the total number of divisors (τ(n )) divided by the sum of the reciprocal of each divisors
The number 28231880 can be divided by 32 positive divisors.
The sum of these divisors (counting 28231880) is 1, the average is 0.03125.
Base
System
Value
2
Binary
1101011101100100011001000
3
Ternary
1222010022212012
4
Quaternary
1223230203020
5
Quinary
24211410010
6
Senary
2445035052
8
Octal
153544310
10
Decimal
28231880
12
Duodecimal
9555a88
16
Hexadecimal
1aec8c8
20
Vigesimal
8g8je0
36
Base36
gt3uw
md5
352f76fbf857d74164c403d91c29e1b3
sha1
0b91bb0e37953dc7ef2c0ae8b1e713cea1bb871d
sha256
fee97a7811a45a99175f951df995ffba877f0a69c39b15d334a20b262e7ac310
sha512
eaae4b4c6c79e1d3de629aba007072dcaa72917e24ba5877e69fb2b8191f062e9aee3afc17b1688c1a39a44e5862fa33b5ddbbbc468fcaee5decdd791e563edb
ripemd-160
4c1077c50523eb77e9101260c05057f7ea38d370
Diameter
56463760
Circumference
177386133.61006
Area
2.5039720188716E+15
Volume
9.4255783413519E+22
Surface area
1.0015888075486E+16
Circumference
177386133.61006
Perimeter
112927520
Area
797039048334400
Diagonal
39925907.58729
Surface area
4782234290006400
Volume
2.2501910767891E+22
Space diagonal
48899050.553188
Perimeter
84695640
Area
3.4512803183288E+14
Altitude
24449525.276594
Surface area
3.4512803183288E+14
Volume
2.6518756156051E+21
Height
13308635.86243