28852989 is an odd 8-digits composite number following 28852988
and preceding 28852990 . In scientific notation, it is written as 2.8852989 × 10^7.
The sum of its digits is 51. It has a total of 3 prime factors and 8 positive divisors.
There are 17372160 positive integers (up to 28852989) that are relatively prime to 28852989.
28852989 has 8 divisors, whose sum is 29922040
The reverse of 28852989 is 98925882
Previous prime number is 157
Is Prime? no
Number parity odd
Number length 8
Sum of Digits 51
Digital Root 6
Name
twenty-eight million eight hundred fifty-two thousand nine hundred eighty-nine
Scientific notation
2.8852989 × 10^7
Engineering notation
2.8852989 × 10^6
Prime Factorization
33 × 157 × 5569
Composite number
ω
Distinct Factors
3
Total number of distinct prime factors
Ω
Total Factors
3
Total number of prime factors
rad
Radical
28852989
Product of the distinct prime numbers
The prime factorization of 28852989 is 33 × 157 × 5569.
Since it has a total of 3 prime factors.
6 , 10 , 76 , 55 , 85 , 886 , 7697 , 5900 , 9651 , 49279 , 313620 , 206698 , 6520317 , 4800191 , 27781386 , 62056891 , 661263457 , 75838498 , 3057179963 , 5291980319
n×2
57705978
n×3
86558967
n×4
115411956
n×5
144264945
n÷2
14426494.5
n÷3
9617663
n÷3
7213247.25
n÷5
5770597.8
n2
832494974234121
n3
2.4019968334132E+22
n4
6.9304788212507E+29
n5
1.9996502919428E+37
2 √n
5371.4978357996
3 √n
306.71164838498
4 √n
73.290503039614
5 √n
31.048324019062
8 divisors
τ
Total Divisors
8
Total number of the positive divisors of n
σ
Sum of Divisors
1
Sum of all the positive divisors of n
s
Aliquot Sum
-28852988
Sum of the proper positive divisors of n
A
Arithmetic Mean
0.125
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
8
Returns the total number of divisors (τ(n )) divided by the sum of the reciprocal of each divisors
The number 28852989 can be divided by 8 positive divisors.
The sum of these divisors (counting 28852989) is 1, the average is 0.125.
Base
System
Value
2
Binary
1101110000100001011111101
3
Ternary
2000021212212020
4
Quaternary
1232010023331
5
Quinary
24341243424
6
Senary
2510230353
8
Octal
156041375
10
Decimal
28852989
12
Duodecimal
97b53b9
16
Hexadecimal
1b842fd
20
Vigesimal
906c99
36
Base36
h6f3x
md5
b222bf0afc8846641d09012f208c9281
sha1
31036769ed39f2ceaaea05b1d2c73d7eefcb1e99
sha256
94be6f588391c8b05511f77bc5e353c6cce13d80e822ce11ce1d9c35777f1c00
sha512
42a9e693fde73bc6f225bd2e02aceb88d378988bb0bb03899c6c255911d2b6cee7d3c1b74e2f006ef330be0eb74f2d77d230918186c21c81dd63ed06e6862bf2
ripemd-160
06db3791dd682bde6e31567ee226bdf5531094c5
Diameter
57705978
Circumference
181288676.55301
Area
2.6153600952043E+15
Volume
1.0061460807729E+23
Surface area
1.0461440380817E+16
Circumference
181288676.55301
Perimeter
115411956
Area
832494974234121
Diagonal
40804288.358802
Surface area
4994969845404726
Volume
2.4019968334132E+22
Space diagonal
49974842.898226
Perimeter
86558967
Area
3.6048089810481E+14
Altitude
24987421.449113
Surface area
3.6048089810481E+14
Volume
2.8307804154919E+21
Height
13601429.452934