85207985 is an odd 8-digits composite number following 85207984
and preceding 85207986 . In scientific notation, it is written as 8.5207985 × 10^7.
The sum of its digits is 44. It has a total of 3 prime factors and 8 positive divisors.
There are 65202544 positive integers (up to 85207985) that are relatively prime to 85207985.
85207985 has 8 divisors, whose sum is 106695360
The reverse of 85207985 is 58970258
Previous prime number is 23
Is Prime? no
Number parity odd
Number length 8
Sum of Digits 44
Digital Root 8
Name
eighty-five million two hundred seven thousand nine hundred eighty-five
Scientific notation
8.5207985 × 10^7
Engineering notation
8.5207985 × 10^6
Prime Factorization
5 × 23 × 740939
Composite number
ω
Distinct Factors
3
Total number of distinct prime factors
Ω
Total Factors
3
Total number of prime factors
rad
Radical
85207985
Product of the distinct prime numbers
The prime factorization of 85207985 is 5 × 23 × 740939.
Since it has a total of 3 prime factors.
7 , 6 , 70 , 61 , 566 , 390 , 5797 , 8084 , 65810 , 32933 , 257583 , 494587 , 631928 , 1375913 , 18638300 , 46132199 , 914395796 , 266146191 , 7504532379 , 9423590357
n×2
170415970
n×3
255623955
n×4
340831940
n×5
426039925
n÷2
42603992.5
n÷3
28402661.666667
n÷3
21301996.25
n÷5
17041597
n2
7260400707760225
n3
6.1864411460082E+23
n4
5.2713418437245E+31
n5
4.4916041674995E+39
2 √n
9230.8171360936
3 √n
440.0412926123
4 √n
96.077141589941
5 √n
38.556362878879
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
-85207984
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 85207985 can be divided by 8 positive divisors.
The sum of these divisors (counting 85207985) is 1, the average is 0.125.
Base
System
Value
2
Binary
101000101000010101110110001
3
Ternary
12221100000101022
4
Quaternary
11011002232301
5
Quinary
133303123420
6
Senary
12242145225
8
Octal
505025661
10
Decimal
85207985
12
Duodecimal
24652215
16
Hexadecimal
5142bb1
20
Vigesimal
16cajj5
36
Base36
1eqawh
md5
9e5bcd70777dea7a7f90229a2425c920
sha1
e7ab89ef4b3720c9e174b3d54a54fdda781ce075
sha256
f5fbd2baae4872f31e7469bb24936efd8ded325382abf9a1c39a3ff8f9da4493
sha512
0141bec34ce021bf4494d2bf7e8796be8f34b0e06d112bf550fef7ca1aa048faebad6f7292ba58522fe0a7add8cc584c2344bcf506a2dc1517f8dcd4122010e8
ripemd-160
26bb304ccde0ee2c45984431c8019d8190e0e5d8
Diameter
170415970
Circumference
535377559.40638
Area
2.2809221525618E+16
Volume
2.5913704074887E+24
Surface area
9.1236886102471E+16
Circumference
535377559.40638
Perimeter
340831940
Area
7260400707760225
Diagonal
120502288.00948
Surface area
43562404246561350
Volume
6.1864411460082E+23
Space diagonal
147584559.23057
Perimeter
255623955
Area
3.1438457272874E+15
Altitude
73792279.615283
Surface area
3.1438457272874E+15
Volume
7.2907908095898E+22
Height
40167429.336494