85209905 is an odd 8-digits composite number following 85209904
and preceding 85209906 . In scientific notation, it is written as 8.5209905 × 10^7.
The sum of its digits is 38. It has a total of 3 prime factors and 8 positive divisors.
There are 61970800 positive integers (up to 85209905) that are relatively prime to 85209905.
85209905 has 8 divisors, whose sum is 111547584
The reverse of 85209905 is 50990258
Previous prime number is 5
Is Prime? no
Number parity odd
Number length 8
Sum of Digits 38
Digital Root 2
Name
eighty-five million two hundred nine thousand nine hundred five
Scientific notation
8.5209905 × 10^7
Engineering notation
8.5209905 × 10^6
Prime Factorization
11 × 5 × 1549271
Composite number
ω
Distinct Factors
3
Total number of distinct prime factors
Ω
Total Factors
3
Total number of prime factors
rad
Radical
85209905
Product of the distinct prime numbers
The prime factorization of 85209905 is 11 × 5 × 1549271.
Since it has a total of 3 prime factors.
6 , 3 , 36 , 12 , 609 , 304 , 629 , 6000 , 57393 , 27634 , 173308 , 505446 , 2768531 , 8919021 , 81992846 , 71595323 , 752283058 , 518152886 , 9628175066 , 6445978050
n×2
170419810
n×3
255629715
n×4
340839620
n×5
426049525
n÷2
42604952.5
n÷3
28403301.666667
n÷3
21302476.25
n÷5
17041981
n2
7260727910109025
n3
6.1868593545124E+23
n4
5.2718169784636E+31
n5
4.4921102391227E+39
2 √n
9230.9211349681
3 √n
440.04459775221
4 √n
96.077682814315
5 √n
38.556536636185
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
-85209904
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 85209905 can be divided by 8 positive divisors.
The sum of these divisors (counting 85209905) is 1, the average is 0.125.
Base
System
Value
2
Binary
101000101000011001100110001
3
Ternary
12221100010000102
4
Quaternary
11011003030301
5
Quinary
133303204110
6
Senary
12242202145
8
Octal
505031461
10
Decimal
85209905
12
Duodecimal
24653355
16
Hexadecimal
5143331
20
Vigesimal
16cb4f5
36
Base36
1eqcdt
md5
a657cedec7060abebd781c86696d3a80
sha1
60d2ba5d1070a92daede612a367c9596a2c180ae
sha256
80770ff86f5707c08f9ce7e14b9e7f77d23862de6a1ad0760c87306c9956c01b
sha512
d9bae0153c66c36e48dec4348747f03ca1293e33a4ec1be2a340ac593256849edda5d555c3aa7927cd3fcfcd57d3f0bd30c0a6a7efd44fe7d7e307f07c5daced
ripemd-160
d572e439cd7d7d43166497feae7535fe1d67c33b
Diameter
170419810
Circumference
535389623.12217
Area
2.2810249462113E+16
Volume
2.5915455862573E+24
Surface area
9.1240997848452E+16
Circumference
535389623.12217
Perimeter
340839620
Area
7260727910109025
Diagonal
120505003.29952
Surface area
43564367460654150
Volume
6.1868593545124E+23
Space diagonal
147587884.76812
Perimeter
255629715
Area
3.1439874100606E+15
Altitude
73793942.384059
Surface area
3.1439874100606E+15
Volume
7.2912836730386E+22
Height
40168334.433174