28777321 is an odd 8-digits composite number following 28777320
and preceding 28777322 . In scientific notation, it is written as 2.8777321 × 10^7.
The sum of its digits is 37. It has a total of 2 prime factors and 4 positive divisors.
There are 28762452 positive integers (up to 28777321) that are relatively prime to 28777321.
28777321 has 4 divisors, whose sum is 28792192
The reverse of 28777321 is 12377782
Previous prime number is 2287
Is Prime? no
Number parity odd
Number length 8
Sum of Digits 37
Digital Root 1
Name
twenty-eight million seven hundred seventy-seven thousand three hundred twenty-one
Scientific notation
2.8777321 × 10^7
Engineering notation
2.8777321 × 10^6
Prime Factorization
2287 × 12583
Composite number
ω
Distinct Factors
2
Total number of distinct prime factors
Ω
Total Factors
2
Total number of prime factors
rad
Radical
28777321
Product of the distinct prime numbers
The prime factorization of 28777321 is 2287 × 12583.
Since it has a total of 2 prime factors.
8 , 5 , 87 , 80 , 742 , 20 , 6245 , 881 , 16017 , 15787 , 190020 , 908177 , 2871491 , 5789917 , 31495335 , 57760164 , 295276625 , 531904563 , 9400720895 , 9067223823
n×2
57554642
n×3
86331963
n×4
115109284
n×5
143886605
n÷2
14388660.5
n÷3
9592440.3333333
n÷3
7194330.25
n÷5
5755464.2
n2
828134203937041
n3
2.3831483817776E+22
n4
6.8580625973044E+29
n5
1.9735666880072E+37
2 √n
5364.4497387896
3 √n
306.44329288596
4 √n
73.242403966484
5 √n
31.032021839873
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
-28777320
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 28777321 can be divided by 4 positive divisors.
The sum of these divisors (counting 28777321) is 1, the average is 0.25.
Base
System
Value
2
Binary
1101101110001101101101001
3
Ternary
2000011001001201
4
Quaternary
1231301231221
5
Quinary
24331333241
6
Senary
2504444201
8
Octal
155615551
10
Decimal
28777321
12
Duodecimal
9779661
16
Hexadecimal
1b71b69
20
Vigesimal
8jh361
36
Base36
h4sq1
md5
ce24677bdbcadaabf45f7cfca2ab2054
sha1
438c7357b97a4be85ceaf3513091428785e2c04a
sha256
0f297e362d8e0a526aa1876a100c1cd18d4ec28cce6b3b2f82c1b6044473eb84
sha512
3c27b2d5c381a323d497da34f69c4311f1f851b1664c6e37118e6b38c935244e779dc2b33d1cf4460b8ae7a48da72622730a605f4a64b91a782b2842d70b4e7a
ripemd-160
0b6e1c255ac1f3e09c327058e7ec0adfafd53348
Diameter
57554642
Circumference
180813240.48719
Area
2.601660331275E+15
Volume
9.9825085981424E+22
Surface area
1.04066413251E+16
Circumference
180813240.48719
Perimeter
115109284
Area
828134203937041
Diagonal
40697277.646964
Surface area
4968805223622246
Volume
2.3831483817776E+22
Space diagonal
49843782.077719
Perimeter
86331963
Area
3.5859262917614E+14
Altitude
24921891.038859
Surface area
3.5859262917614E+14
Volume
2.8085673022144E+21
Height
13565759.215655