85215861 is an odd 8-digits composite number following 85215860
and preceding 85215862 . In scientific notation, it is written as 8.5215861 × 10^7.
The sum of its digits is 36. It has a total of 3 prime factors and 8 positive divisors.
There are 56715120 positive integers (up to 85215861) that are relatively prime to 85215861.
85215861 has 8 divisors, whose sum is 88520544
The reverse of 85215861 is 16851258
Previous prime number is 683
Is Prime? no
Number parity odd
Number length 8
Sum of Digits 36
Digital Root 9
Name
eighty-five million two hundred fifteen thousand eight hundred sixty-one
Scientific notation
8.5215861 × 10^7
Engineering notation
8.5215861 × 10^6
Prime Factorization
27 × 683 × 4621
Composite number
ω
Distinct Factors
3
Total number of distinct prime factors
Ω
Total Factors
3
Total number of prime factors
rad
Radical
85215861
Product of the distinct prime numbers
The prime factorization of 85215861 is 27 × 683 × 4621.
Since it has a total of 3 prime factors.
2 , 1 , 81 , 64 , 851 , 380 , 7191 , 9562 , 50901 , 7560 , 481168 , 32579 , 7884893 , 6596222 , 70616403 , 29026830 , 903334563 , 524576236 , 5842023156 , 3443205079
n×2
170431722
n×3
255647583
n×4
340863444
n×5
426079305
n÷2
42607930.5
n÷3
28405287
n÷3
21303965.25
n÷5
17043172.2
n2
7261742965971321
n3
6.1881567920594E+23
n4
5.2732910903834E+31
n5
4.4936804057065E+39
2 √n
9231.2437406885
3 √n
440.05485025576
4 √n
96.079361679231
5 √n
38.557075625899
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
-85215860
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 85215861 can be divided by 8 positive divisors.
The sum of these divisors (counting 85215861) is 1, the average is 0.125.
Base
System
Value
2
Binary
101000101000100101001110101
3
Ternary
12221100102012000
4
Quaternary
11011010221311
5
Quinary
133303401421
6
Senary
12242245513
8
Octal
505045165
10
Decimal
85215861
12
Duodecimal
24656899
16
Hexadecimal
5144a75
20
Vigesimal
16cbjd1
36
Base36
1eqgz9
md5
ba47dc00724ff0651283c4607011c83b
sha1
38ecca6fe61423625f4d01437d055978eac9de92
sha256
15e55dbf6708c68db1566c6e0a51f3642df3cde89904e912c11589174f17e0e1
sha512
18b8ae47c1c15ed4a43a42f3eacd2107ba4e1c8f93d870a352e64cc170265da3f40164221a6ad31279f990b5937e2d76077e59d49f843b8665b4f4a397f1cb04
ripemd-160
85d29c1b3b26292f9ac2d2b77e4bbed8fb298433
Diameter
170431722
Circumference
535427045.77386
Area
2.2813438354153E+16
Volume
2.5920890556261E+24
Surface area
9.1253753416611E+16
Circumference
535427045.77386
Perimeter
340863444
Area
7261742965971321
Diagonal
120513426.3555
Surface area
43570457795827926
Volume
6.1881567920594E+23
Space diagonal
147598200.86273
Perimeter
255647583
Area
3.1444269421421E+15
Altitude
73799100.431364
Surface area
3.1444269421421E+15
Volume
7.2928127178513E+22
Height
40171142.1185