85210905 is an odd 8-digits composite number following 85210904
and preceding 85210906 . In scientific notation, it is written as 8.5210905 × 10^7.
The sum of its digits is 30. It has a total of 3 prime factors and 8 positive divisors.
There are 41949888 positive integers (up to 85210905) that are relatively prime to 85210905.
85210905 has 8 divisors, whose sum is 97883520
The reverse of 85210905 is 50901258
Previous prime number is 15
Is Prime? no
Number parity odd
Number length 8
Sum of Digits 30
Digital Root 3
Name
eighty-five million two hundred ten thousand nine hundred five
Scientific notation
8.5210905 × 10^7
Engineering notation
8.5210905 × 10^6
Prime Factorization
13 × 15 × 436979
Composite number
ω
Distinct Factors
3
Total number of distinct prime factors
Ω
Total Factors
3
Total number of prime factors
rad
Radical
85210905
Product of the distinct prime numbers
The prime factorization of 85210905 is 13 × 15 × 436979.
Since it has a total of 3 prime factors.
5 , 2 , 45 , 49 , 177 , 578 , 6257 , 6236 , 16838 , 55132 , 807178 , 327672 , 6219398 , 7363301 , 83389239 , 49886194 , 69257079 , 21353935 , 8454101185 , 9550951072
n×2
170421810
n×3
255632715
n×4
340843620
n×5
426054525
n÷2
42605452.5
n÷3
28403635
n÷3
21302726.25
n÷5
17042181
n2
7260898330919025
n3
6.187077178906E+23
n4
5.2720644571943E+31
n5
4.4923738361586E+39
2 √n
9230.9753005844
3 √n
440.04631915959
4 √n
96.077964698387
5 √n
38.556627133541
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
-85210904
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 85210905 can be divided by 8 positive divisors.
The sum of these divisors (counting 85210905) is 1, the average is 0.125.
Base
System
Value
2
Binary
101000101000011011100011001
3
Ternary
12221100011101110
4
Quaternary
11011003130121
5
Quinary
133303222110
6
Senary
12242210533
8
Octal
505033431
10
Decimal
85210905
12
Duodecimal
24653a49
16
Hexadecimal
5143719
20
Vigesimal
16cb755
36
Base36
1eqd5l
md5
2f52a684d5d4723fa7f878e2be0cff5a
sha1
51e62445672c276182fd5f3bcb9a0f0263e38b3c
sha256
d73527feaea0b68aba23662edcb1f40d31c019383ff9bb0a15a8043c5dcf0f25
sha512
75b0e2ec282e1232733fec02920988b3a5035ff8f3ce3f7b41dccc544c32feb7b949934b2115b62f6ca738eae94a14a35ddd3e431772d8cf52a8871afdaa62ab
ripemd-160
fe327e564175271242214800c431db7a8e538b3f
Diameter
170421810
Circumference
535395906.30748
Area
2.2810784854878E+16
Volume
2.5916368283259E+24
Surface area
9.124313941951E+16
Circumference
535395906.30748
Perimeter
340843620
Area
7260898330919025
Diagonal
120506417.51309
Surface area
43565389985514150
Volume
6.187077178906E+23
Space diagonal
147589616.81892
Perimeter
255632715
Area
3.144061204436E+15
Altitude
73794808.409462
Surface area
3.144061204436E+15
Volume
7.2915403815483E+22
Height
40168805.837695