87085431 is an odd 8-digits composite number following 87085430
and preceding 87085432 . In scientific notation, it is written as 8.7085431 × 10^7.
The sum of its digits is 36. It has a total of 2 prime factors and 4 positive divisors.
There are 58056948 positive integers (up to 87085431) that are relatively prime to 87085431.
87085431 has 4 divisors, whose sum is 96761600
The reverse of 87085431 is 13458078
Previous prime number is 9
Is Prime? no
Number parity odd
Number length 8
Sum of Digits 36
Digital Root 9
Name
eighty-seven million eighty-five thousand four hundred thirty-one
Scientific notation
8.7085431 × 10^7
Engineering notation
8.7085431 × 10^6
Prime Factorization
9 × 9676159
Composite number
ω
Distinct Factors
2
Total number of distinct prime factors
Ω
Total Factors
2
Total number of prime factors
rad
Radical
87085431
Product of the distinct prime numbers
The prime factorization of 87085431 is 9 × 9676159.
Since it has a total of 2 prime factors.
2 , 10 , 1 , 74 , 177 , 240 , 6201 , 6962 , 70999 , 97033 , 603542 , 859028 , 8173739 , 8942195 , 25280919 , 50755651 , 240531301 , 656611502 , 9626784358 , 8234014332
n×2
174170862
n×3
261256293
n×4
348341724
n×5
435427155
n÷2
43542715.5
n÷3
29028477
n÷3
21771357.75
n÷5
17417086.2
n2
7583872292455761
n3
6.6044478723747E+23
n4
5.7515118948278E+31
n5
5.0087289226271E+39
2 √n
9331.9575116907
3 √n
443.24975258684
4 √n
96.602057492016
5 √n
38.724792657678
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
-87085430
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 87085431 can be divided by 4 positive divisors.
The sum of these divisors (counting 87085431) is 1, the average is 0.25.
Base
System
Value
2
Binary
101001100001101000101110111
3
Ternary
20001212101202100
4
Quaternary
11030031011313
5
Quinary
134243213211
6
Senary
12350313143
8
Octal
514150567
10
Decimal
87085431
12
Duodecimal
251b87b3
16
Hexadecimal
530d177
20
Vigesimal
1745dbb
36
Base36
1fujjr
md5
3dbed6e329e41f8c292c53a3a5274f20
sha1
9c2dd7d69df43999d0b19006878903103835d655
sha256
fc7cc833981a8e35782e24289cbd41a1359c009e88841fbc1e3f60b6add1976d
sha512
0492b041e64ba01c9b0e1fd42973749eb1a6d76aa14b760e3739c5b12c5783e698ce7f8cf9f344750099b1b4b63403642c85771537ca715e210f3d66115a5c0a
ripemd-160
d94289071d20d892c0ece0c136fbd6737112dbf8
Diameter
174170862
Circumference
547173900.5286
Area
2.3825437479742E+16
Volume
2.7664646555825E+24
Surface area
9.5301749918969E+16
Circumference
547173900.5286
Perimeter
348341724
Area
7583872292455761
Diagonal
123157397.60531
Surface area
45503233754734566
Volume
6.6044478723747E+23
Space diagonal
150836391.09103
Perimeter
261256293
Area
3.2839130321618E+15
Altitude
75418195.545517
Surface area
3.2839130321618E+15
Volume
7.7834164609153E+22
Height
41052465.868435