85130905 is an odd 8-digits composite number following 85130904
and preceding 85130906 . In scientific notation, it is written as 8.5130905 × 10^7.
The sum of its digits is 31. It has a total of 2 prime factors and 4 positive divisors.
There are 68104720 positive integers (up to 85130905) that are relatively prime to 85130905.
85130905 has 4 divisors, whose sum is 102157092
The reverse of 85130905 is 50903158
Previous prime number is 5
Is Prime? no
Number parity odd
Number length 8
Sum of Digits 31
Digital Root 4
Name
eighty-five million one hundred thirty thousand nine hundred five
Scientific notation
8.5130905 × 10^7
Engineering notation
8.5130905 × 10^6
Prime Factorization
5 × 17026181
Composite number
ω
Distinct Factors
2
Total number of distinct prime factors
Ω
Total Factors
2
Total number of prime factors
rad
Radical
85130905
Product of the distinct prime numbers
The prime factorization of 85130905 is 5 × 17026181.
Since it has a total of 2 prime factors.
3 , 9 , 66 , 8 , 73 , 93 , 2342 , 4571 , 66957 , 65357 , 156087 , 703523 , 9706361 , 9821720 , 29693302 , 31173333 , 127884114 , 165784497 , 1619718098 , 3083442198
n×2
170261810
n×3
255392715
n×4
340523620
n×5
425654525
n÷2
42565452.5
n÷3
28376968.333333
n÷3
21282726.25
n÷5
17026181
n2
7247270986119025
n3
6.1696673782856E+23
n4
5.2522936746243E+31
n5
4.4713251384654E+39
2 √n
9226.6410464481
3 √n
439.90856398906
4 √n
96.055406128172
5 √n
38.549384658686
4 divisors
τ
Total Divisors
4
Total number of the positive divisors of n
σ
Sum of Divisors
1
Sum of all the positive divisors of n
s
Aliquot Sum
-85130904
Sum of the proper positive divisors of n
A
Arithmetic Mean
0.25
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
4
Returns the total number of divisors (τ(n )) divided by the sum of the reciprocal of each divisors
The number 85130905 can be divided by 4 positive divisors.
The sum of these divisors (counting 85130905) is 1, the average is 0.25.
Base
System
Value
2
Binary
101000100101111111010011001
3
Ternary
12221012002122111
4
Quaternary
11010233322121
5
Quinary
133243142110
6
Senary
12240352321
8
Octal
504577231
10
Decimal
85130905
12
Duodecimal
246156a1
16
Hexadecimal
512fe99
20
Vigesimal
16c1755
36
Base36
1eonfd
md5
5a858e7711d1cb709c6eca7f66bd85e9
sha1
1704929bed1724dd02ae03e82b568a6484324f65
sha256
4b5529c36731f21ba613d096123c00cd55f51927b55c5816fed55b1a4abfd697
sha512
b0c150e1466b94bebe6d01a5be96edd869d51774841ae3391d356517f16ad46268d3ae8b51e8b5d24b39e7873d13b8e8c415560d19f14eccca15134aff355eb6
ripemd-160
65ac67f1b2d25ebfe8bb438e00ce171b53cc19a0
Diameter
170261810
Circumference
534893251.4829
Area
2.2767973288566E+16
Volume
2.5843442280953E+24
Surface area
9.1071893154264E+16
Circumference
534893251.4829
Perimeter
340523620
Area
7247270986119025
Diagonal
120393280.4281
Surface area
43483625916714150
Volume
6.1696673782856E+23
Space diagonal
147451052.75432
Perimeter
255392715
Area
3.1381603910445E+15
Altitude
73725526.37716
Surface area
3.1381603910445E+15
Volume
7.2710227347519E+22
Height
40131093.476032