85191431 is an odd 8-digits composite number following 85191430
and preceding 85191432 . In scientific notation, it is written as 8.5191431 × 10^7.
The sum of its digits is 32. It has a total of 2 prime factors and 4 positive divisors.
There are 78638232 positive integers (up to 85191431) that are relatively prime to 85191431.
85191431 has 4 divisors, whose sum is 91744632
The reverse of 85191431 is 13419158
Previous prime number is 13
Is Prime? no
Number parity odd
Number length 8
Sum of Digits 32
Digital Root 5
Name
eighty-five million one hundred ninety-one thousand four hundred thirty-one
Scientific notation
8.5191431 × 10^7
Engineering notation
8.5191431 × 10^6
Prime Factorization
13 × 6553187
Composite number
ω
Distinct Factors
2
Total number of distinct prime factors
Ω
Total Factors
2
Total number of prime factors
rad
Radical
85191431
Product of the distinct prime numbers
The prime factorization of 85191431 is 13 × 6553187.
Since it has a total of 2 prime factors.
8 , 9 , 57 , 100 , 927 , 723 , 9986 , 5941 , 80050 , 74238 , 449581 , 833518 , 8732901 , 7738528 , 58747409 , 80542242 , 608030893 , 645233437 , 6069378202 , 7804154122
n×2
170382862
n×3
255574293
n×4
340765724
n×5
425957155
n÷2
42595715.5
n÷3
28397143.666667
n÷3
21297857.75
n÷5
17038286.2
n2
7257579915827761
n3
6.1828361862623E+23
n4
5.2672466234626E+31
n5
4.487242772827E+39
2 √n
9229.9204221922
3 √n
440.01279404947
4 √n
96.072474841612
5 √n
38.554864635171
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
-85191430
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 85191431 can be divided by 4 positive divisors.
The sum of these divisors (counting 85191431) is 1, the average is 0.25.
Base
System
Value
2
Binary
101000100111110101100000111
3
Ternary
12221022011200012
4
Quaternary
11010332230013
5
Quinary
133302111211
6
Senary
12241540435
8
Octal
504765407
10
Decimal
85191431
12
Duodecimal
2464471b
16
Hexadecimal
513eb07
20
Vigesimal
16c8ibb
36
Base36
1epy4n
md5
4b6805dbe0202b123abf8268ba293fc3
sha1
e5f979571dee7e1bcf145cc55e0d4febe263f306
sha256
38a74b1bf0cbff91325fcc9523b6c60e477b5cecb698f73f010bea19710e80e1
sha512
fbaf9c00d7f9d341e2f9347fc5d31028c1ef3332633a54f34874c652a95b6eead8913b9ef1355979c77fb730d0808a215c2fbeab0e9177cd6b515355385fc571
ripemd-160
feb2cdc34e43949021d5f06f0c8e184407e59469
Diameter
170382862
Circumference
535273547.5568
Area
2.2800359746405E+16
Volume
2.5898603654814E+24
Surface area
9.1201438985621E+16
Circumference
535273547.5568
Perimeter
340765724
Area
7257579915827761
Diagonal
120478877.11817
Surface area
43545479494966566
Volume
6.1828361862623E+23
Space diagonal
147555886.8615
Perimeter
255574293
Area
3.1426242885513E+15
Altitude
73777943.430749
Surface area
3.1426242885513E+15
Volume
7.286542323786E+22
Height
40159625.706057