28777720 is an even 8-digits composite number following 28777719
and preceding 28777721 . In scientific notation, it is written as 2.8777720 × 10^7.
The sum of its digits is 40. It has a total of 6 prime factors and 32 positive divisors.
There are 11347840 positive integers (up to 28777720) that are relatively prime to 28777720.
28777720 has 32 divisors, whose sum is 65668320
The reverse of 28777720 is 02777782
Previous prime number is 71
Is Prime? no
Number parity even
Number length 8
Sum of Digits 40
Digital Root 4
Name
twenty-eight million seven hundred seventy-seven thousand seven hundred twenty
Scientific notation
2.8777720 × 10^7
Engineering notation
2.8777720 × 10^6
Prime Factorization
2 × 2 × 2 × 5 × 71 × 10133
Composite number
ω
Distinct Factors
4
Total number of distinct prime factors
Ω
Total Factors
6
Total number of prime factors
rad
Radical
7194430
Product of the distinct prime numbers
The prime factorization of 28777720 is 2 × 2 × 2 × 5 × 71 × 10133.
Since it has a total of 6 prime factors.
10 , 9 , 82 , 82 , 86 , 284 , 889 , 9189 , 65207 , 18378 , 771734 , 742772 , 1509050 , 8582189 , 81606453 , 95225886 , 525075883 , 932860759 , 8728338404 , 8624537575
n×2
57555440
n×3
86333160
n×4
115110880
n×5
143888600
n÷2
14388860
n÷3
9592573.3333333
n÷3
7194430
n÷5
5755544
n2
828157168398400
n3
2.3832475108162E+22
n4
6.8584429556966E+29
n5
1.9737035101501E+37
2 √n
5364.4869279364
3 √n
306.44470916685
4 √n
73.242657843202
5 √n
31.032107891719
1 , 2 , 4 , 5 , 8 , 10 , 20 , 40 , 71 , 142 , 284 , 355 , 568 , 710 , 1420 , 2840 , 10133 , 20266 , 40532 , 50665 , 81064 , 101330 , 202660 , 405320 , 719443 , 1438886 , 2877772 , 3597215 , 5755544 , 7194430 , 14388860 , 28777720
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
-28777719
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 28777720 can be divided by 32 positive divisors.
The sum of these divisors (counting 28777720) is 1, the average is 0.03125.
Base
System
Value
2
Binary
1101101110001110011111000
3
Ternary
2000011001121111
4
Quaternary
1231301303320
5
Quinary
24331341340
6
Senary
2504450104
8
Octal
155616370
10
Decimal
28777720
12
Duodecimal
9779934
16
Hexadecimal
1b71cf8
20
Vigesimal
8jh460
36
Base36
h4t14
md5
bebb191e4c6ef421e4b651bfcc53a745
sha1
6d560d4ca90bdb8cea06301c7f623aec9d852f8e
sha256
1548e6a93c69bc09a07caddc1a6926c427744ce56a2fb5fd2ee6bfd40b77a401
sha512
d78158a8c9ad5408b2a5368dfcae8035f41d5ac0e355cd48d0a428a606f0fc04242056f601d926c313f4a3473da790d96adf414f5c8cfaac174138cafe382896
ripemd-160
71054cafd6be8bb73be5acf7540d0c793bf27fe5
Diameter
57555440
Circumference
180815747.47813
Area
2.6017324762581E+15
Volume
9.9829238288884E+22
Surface area
1.0406929905033E+16
Circumference
180815747.47813
Perimeter
115110880
Area
828157168398400
Diagonal
40697841.918175
Surface area
4968943010390400
Volume
2.3832475108162E+22
Space diagonal
49844473.165991
Perimeter
86333160
Area
3.586025730796E+14
Altitude
24922236.582996
Surface area
3.586025730796E+14
Volume
2.8086841269068E+21
Height
13565947.306058