85215491 is an odd 8-digits composite number following 85215490
and preceding 85215492 . In scientific notation, it is written as 8.5215491 × 10^7.
The sum of its digits is 35. It has a total of 3 prime factors and 8 positive divisors.
There are 83377800 positive integers (up to 85215491) that are relatively prime to 85215491.
85215491 has 8 divisors, whose sum is 87070464
The reverse of 85215491 is 19451258
Previous prime number is 151
Is Prime? no
Number parity odd
Number length 8
Sum of Digits 35
Digital Root 8
Name
eighty-five million two hundred fifteen thousand four hundred ninety-one
Scientific notation
8.5215491 × 10^7
Engineering notation
8.5215491 × 10^6
Prime Factorization
67 × 151 × 8423
Composite number
ω
Distinct Factors
3
Total number of distinct prime factors
Ω
Total Factors
3
Total number of prime factors
rad
Radical
85215491
Product of the distinct prime numbers
The prime factorization of 85215491 is 67 × 151 × 8423.
Since it has a total of 3 prime factors.
8 , 2 , 41 , 12 , 283 , 283 , 1171 , 6517 , 7191 , 2206 , 982984 , 948756 , 123409 , 3096434 , 65682425 , 74463783 , 811104063 , 919517532 , 7383420891 , 5737756653
n×2
170430982
n×3
255646473
n×4
340861964
n×5
426077455
n÷2
42607745.5
n÷3
28405163.666667
n÷3
21303872.75
n÷5
17043098.2
n2
7261679906371081
n3
6.1880761870625E+23
n4
5.2731995062594E+31
n5
4.4935828506685E+39
2 √n
9231.2237000302
3 √n
440.0542133613
4 √n
96.079257386963
5 √n
38.557042143534
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
-85215490
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 85215491 can be divided by 8 positive divisors.
The sum of these divisors (counting 85215491) is 1, the average is 0.125.
Base
System
Value
2
Binary
101000101000100100100000011
3
Ternary
12221100101200022
4
Quaternary
11011010210003
5
Quinary
133303343431
6
Senary
12242244055
8
Octal
505044403
10
Decimal
85215491
12
Duodecimal
2465662b
16
Hexadecimal
5144903
20
Vigesimal
16cbieb
36
Base36
1eqgoz
md5
3ebee7944ed13926ce3da409358f2d67
sha1
22d0d2c3e237ee15ea352fc7cccc3e9d22c1b4ac
sha256
b279624787312ec4b76352515eecf6c7a092224ebb3a5e9553e0730c74e674e7
sha512
72ac11a27221edf38f810ffeeb30092f2800f256e550a23cd3ccd44b8d7bfa26c0f13b599b3cb0ab5e1612b41824e52003a5af5e200fbdf315b6a4ea96044e21
ripemd-160
ef52858afc44d49dcc788923fc8036bce3e6601d
Diameter
170430982
Circumference
535424720.99529
Area
2.2813240246576E+16
Volume
2.5920552918839E+24
Surface area
9.1252960986304E+16
Circumference
535424720.99529
Perimeter
340861964
Area
7261679906371081
Diagonal
120512903.09648
Surface area
43570079438226486
Volume
6.1880761870625E+23
Space diagonal
147597560.00393
Perimeter
255646473
Area
3.1443996365342E+15
Altitude
73798780.001964
Surface area
3.1443996365342E+15
Volume
7.2927177239514E+22
Height
40170967.698827