85215993 is an odd 8-digits composite number following 85215992
and preceding 85215994 . In scientific notation, it is written as 8.5215993 × 10^7.
The sum of its digits is 42. It has a total of 4 prime factors and 16 positive divisors.
There are 54660240 positive integers (up to 85215993) that are relatively prime to 85215993.
85215993 has 16 divisors, whose sum is 117964800
The reverse of 85215993 is 39951258
Previous prime number is 179
Is Prime? no
Number parity odd
Number length 8
Sum of Digits 42
Digital Root 6
Name
eighty-five million two hundred fifteen thousand nine hundred ninety-three
Scientific notation
8.5215993 × 10^7
Engineering notation
8.5215993 × 10^6
Prime Factorization
3 × 31 × 179 × 5119
Composite number
ω
Distinct Factors
4
Total number of distinct prime factors
Ω
Total Factors
4
Total number of prime factors
rad
Radical
85215993
Product of the distinct prime numbers
The prime factorization of 85215993 is 3 × 31 × 179 × 5119.
Since it has a total of 4 prime factors.
7 , 10 , 4 , 75 , 947 , 223 , 3249 , 5337 , 19941 , 5277 , 605345 , 707929 , 9713460 , 9506271 , 37288560 , 86093952 , 720746661 , 673122095 , 286571160 , 8002260258
n×2
170431986
n×3
255647979
n×4
340863972
n×5
426079965
n÷2
42607996.5
n÷3
28405331
n÷3
21303998.25
n÷5
17043198.6
n2
7261765462976049
n3
6.1881855486061E+23
n4
5.2733237639272E+31
n5
4.4937152095355E+39
2 √n
9231.2508903182
3 √n
440.05507747172
4 √n
96.07939888612
5 √n
38.557087570931
1 , 3 , 31 , 93 , 179 , 537 , 5119 , 5549 , 15357 , 16647 , 158689 , 476067 , 916301 , 2748903 , 28405331 , 85215993
16 divisors
τ
Total Divisors
16
Total number of the positive divisors of n
σ
Sum of Divisors
1
Sum of all the positive divisors of n
s
Aliquot Sum
-85215992
Sum of the proper positive divisors of n
A
Arithmetic Mean
0.0625
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
16
Returns the total number of divisors (τ(n )) divided by the sum of the reciprocal of each divisors
The number 85215993 can be divided by 16 positive divisors.
The sum of these divisors (counting 85215993) is 1, the average is 0.0625.
Base
System
Value
2
Binary
101000101000100101011111001
3
Ternary
12221100102100220
4
Quaternary
11011010223321
5
Quinary
133303402433
6
Senary
12242250253
8
Octal
505045371
10
Decimal
85215993
12
Duodecimal
24656989
16
Hexadecimal
5144af9
20
Vigesimal
16cbjjd
36
Base36
1eqh2x
md5
f9c9c4a0e2cace0bdfe1e8ad74fd4ccc
sha1
c2f798689ebf37511475f3f8d83c52039e3a91b3
sha256
83b47a4d9180ab9db0b69b1d308d4f08e61885178111177b0b18e6962d8eda2c
sha512
9fc3aec48d7ebd4afa8c4347360644d4df20a3caa217bea0ca4f79c9a193978c822c110dddf6eef7d4f69cdf64d254f9a8fe9d746a9557d3001647b42a55997a
ripemd-160
5a34243d4839079e0f2c287ab89ebc8a427f9962
Diameter
170431986
Circumference
535427875.15432
Area
2.2813509030578E+16
Volume
2.5921011011402E+24
Surface area
9.1254036122311E+16
Circumference
535427875.15432
Perimeter
340863972
Area
7261765462976049
Diagonal
120513613.03169
Surface area
43570592777856294
Volume
6.1881855486061E+23
Space diagonal
147598429.49343
Perimeter
255647979
Area
3.1444366836309E+15
Altitude
73799214.746717
Surface area
3.1444366836309E+15
Volume
7.2928466077666E+22
Height
40171204.343897