85215785 is an odd 8-digits composite number following 85215784
and preceding 85215786 . In scientific notation, it is written as 8.5215785 × 10^7.
The sum of its digits is 41. It has a total of 3 prime factors and 8 positive divisors.
There are 66886144 positive integers (up to 85215785) that are relatively prime to 85215785.
85215785 has 8 divisors, whose sum is 104188680
The reverse of 85215785 is 58751258
Previous prime number is 53
Is Prime? no
Number parity odd
Number length 8
Sum of Digits 41
Digital Root 5
Name
eighty-five million two hundred fifteen thousand seven hundred eighty-five
Scientific notation
8.5215785 × 10^7
Engineering notation
8.5215785 × 10^6
Prime Factorization
5 × 53 × 321569
Composite number
ω
Distinct Factors
3
Total number of distinct prime factors
Ω
Total Factors
3
Total number of prime factors
rad
Radical
85215785
Product of the distinct prime numbers
The prime factorization of 85215785 is 5 × 53 × 321569.
Since it has a total of 3 prime factors.
2 , 3 , 9 , 71 , 590 , 72 , 8353 , 1676 , 47617 , 49999 , 7278 , 966726 , 1708701 , 6685257 , 95931022 , 45750355 , 630739329 , 911138519 , 9729892424 , 2376198082
n×2
170431570
n×3
255647355
n×4
340863140
n×5
426078925
n÷2
42607892.5
n÷3
28405261.666667
n÷3
21303946.25
n÷5
17043157
n2
7261730013166225
n3
6.1881402353002E+23
n4
5.2732722784119E+31
n5
4.4936603672361E+39
2 √n
9231.2396242325
3 √n
440.05471943435
4 √n
96.079340257063
5 √n
38.55706874845
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
-85215784
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 85215785 can be divided by 8 positive divisors.
The sum of these divisors (counting 85215785) is 1, the average is 0.125.
Base
System
Value
2
Binary
101000101000100101000101001
3
Ternary
12221100102002012
4
Quaternary
11011010220221
5
Quinary
133303401120
6
Senary
12242245305
8
Octal
505045051
10
Decimal
85215785
12
Duodecimal
24656835
16
Hexadecimal
5144a29
20
Vigesimal
16cbj95
36
Base36
1eqgx5
md5
fc85a386338c5ac44d05a351195a2972
sha1
935a65e58f11cfa5ff01c58492c901100d5cb91f
sha256
13eb0d37677c2bc3dd2e14608223d096843e0de6acd2eca7783f71eb8c15c1f3
sha512
6de8764a100b6fe9db5e1c252ac0194ee6fdcb7b8a7e04d9d2eca0c2b850c946282592d4d8b52083ce7634632ff1b2987cd01c4df05cd65ebd7a04594f960bb5
ripemd-160
63c6f0db2a16b37c6cae0ebcdfba2124d1270409
Diameter
170431570
Circumference
535426568.25177
Area
2.2813397661716E+16
Volume
2.592082120347E+24
Surface area
9.1253590646862E+16
Circumference
535426568.25177
Perimeter
340863140
Area
7261730013166225
Diagonal
120513318.87527
Surface area
43570380078997350
Volume
6.1881402353002E+23
Space diagonal
147598069.22687
Perimeter
255647355
Area
3.1444213334129E+15
Altitude
73799034.613433
Surface area
3.1444213334129E+15
Volume
7.2927932055235E+22
Height
40171106.291757