28593985 is an odd 8-digits composite number following 28593984
and preceding 28593986 . In scientific notation, it is written as 2.8593985 × 10^7.
The sum of its digits is 49. It has a total of 3 prime factors and 8 positive divisors.
There are 19607280 positive integers (up to 28593985) that are relatively prime to 28593985.
28593985 has 8 divisors, whose sum is 39214656
The reverse of 28593985 is 58939582
Previous prime number is 7
Is Prime? no
Number parity odd
Number length 8
Sum of Digits 49
Digital Root 4
Name
twenty-eight million five hundred ninety-three thousand nine hundred eighty-five
Scientific notation
2.8593985 × 10^7
Engineering notation
2.8593985 × 10^6
Prime Factorization
5 × 7 × 816971
Composite number
ω
Distinct Factors
3
Total number of distinct prime factors
Ω
Total Factors
3
Total number of prime factors
rad
Radical
28593985
Product of the distinct prime numbers
The prime factorization of 28593985 is 5 × 7 × 816971.
Since it has a total of 3 prime factors.
2 , 3 , 13 , 56 , 393 , 837 , 5526 , 1209 , 30346 , 73056 , 523436 , 31135 , 1782638 , 2972718 , 63683733 , 2929490 , 894934067 , 129934052 , 1391781197 , 5124906684
n×2
57187970
n×3
85781955
n×4
114375940
n×5
142969925
n÷2
14296992.5
n÷3
9531328.3333333
n÷3
7148496.25
n÷5
5718797
n2
817615978180225
n3
2.3378899015846E+22
n4
6.6849588777561E+29
n5
1.9114961387617E+37
2 √n
5347.3343826621
3 √n
305.79113789158
4 √n
73.125470136349
5 √n
30.992380619195
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
-28593984
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 28593985 can be divided by 8 positive divisors.
The sum of these divisors (counting 28593985) is 1, the average is 0.125.
Base
System
Value
2
Binary
1101101000100111101000001
3
Ternary
1222210201120111
4
Quaternary
1231010331001
5
Quinary
24310001420
6
Senary
2500511321
8
Octal
155047501
10
Decimal
28593985
12
Duodecimal
96ab541
16
Hexadecimal
1b44f41
20
Vigesimal
8ie4j5
36
Base36
h0v9d
md5
5f16ffdd6437588ec4d6155928437200
sha1
37edc515542baab21a610c0fde040281a4ef37eb
sha256
dc9ad1eb5145a6284eeefd0488b55b88fea33a1ecee8332e7d59c41e4d42a509
sha512
0ce01fd02a3d71eda992dd2cfc614cc4888e8e1b6de3a1fe56e19d7aed33a8467d312dcda2539946becf7f08793fc7db5ba0674312410919a4a434092c93f4fc
ripemd-160
d44a5cdebb5e670da0c0954bfd2a78412a7b14b2
Diameter
57187970
Circumference
179661306.42571
Area
2.5686163505086E+15
Volume
9.7929303196265E+22
Surface area
1.0274465402035E+16
Circumference
179661306.42571
Perimeter
114375940
Area
817615978180225
Diagonal
40438001.389293
Surface area
4905695869081350
Volume
2.3378899015846E+22
Space diagonal
49526234.810862
Perimeter
85781955
Area
3.5403810382207E+14
Altitude
24763117.405431
Surface area
3.5403810382207E+14
Volume
2.7552296717967E+21
Height
13479333.796431