87081431 is an odd 8-digits prime number following 87081430
and preceding 87081432 . In scientific notation, it is written as 8.7081431 × 10^7.
The sum of its digits is 32. It has a total of 1 prime factors and 2 positive divisors.
There are 87081430 positive integers (up to 87081431) that are relatively prime to 87081431.
87081431 has 2 divisors, whose sum is 87081432
The reverse of 87081431 is 13418078
Previous prime number is 1
Is Prime? yes
Number parity odd
Number length 8
Sum of Digits 32
Digital Root 5
Name
eighty-seven million eighty-one thousand four hundred thirty-one
Scientific notation
8.7081431 × 10^7
Engineering notation
8.7081431 × 10^6
Prime Factorization
87081431
Composite number
ω
Distinct Factors
1
Total number of distinct prime factors
Ω
Total Factors
1
Total number of prime factors
rad
Radical
87081431
Product of the distinct prime numbers
The prime factorization of 87081431 is 87081431.
Since it has a total of 1 prime factors.
3 , 7 , 19 , 39 , 233 , 760 , 5086 , 4813 , 57832 , 49705 , 73904 , 919234 , 79770 , 399339 , 73683775 , 76560601 , 691152930 , 115581166 , 5090886148 , 2106805249
n×2
174162862
n×3
261244293
n×4
348325724
n×5
435407155
n÷2
43540715.5
n÷3
29027143.666667
n÷3
21770357.75
n÷5
17416286.2
n2
7583175625007761
n3
6.6035378495E+23
n4
5.7504552559712E+31
n5
5.0075787259144E+39
2 √n
9331.7431919229
3 √n
443.24296604732
4 √n
96.600948193705
5 √n
38.72443691042
2 divisors
τ
Total Divisors
2
Total number of the positive divisors of n
σ
Sum of Divisors
87081432
Sum of all the positive divisors of n
s
Aliquot Sum
1
Sum of the proper positive divisors of n
A
Arithmetic Mean
43540716
Returns the sum of divisors (σ(n )) divided by the total number of divisors (τ(n ))
G
Geometric Mean
9331.7432455035
Returns the nth root of the product of n divisors
H
Harmonic Mean
1.999999977033
Returns the total number of divisors (τ(n )) divided by the sum of the reciprocal of each divisors
The number 87081431 can be divided by 2 positive divisors.
The sum of these divisors (counting 87081431) is 87081432, the average is 43540716.
Base
System
Value
2
Binary
101001100001100000111010111
3
Ternary
20001212012021012
4
Quaternary
11030030013113
5
Quinary
134243101211
6
Senary
12350242435
8
Octal
514140727
10
Decimal
87081431
12
Duodecimal
251b641b
16
Hexadecimal
530c1d7
20
Vigesimal
17453bb
36
Base36
1fuggn
md5
1b0737ee06abff7fcd1b07ac6457b550
sha1
c4e2d6c967a3897d1ca847b82949a6607a658c41
sha256
e741091c6cc4b8dd037e75384528d43b745e91d3fa1d56f741edaa1bbfce2688
sha512
fc2bc0c259551b3dbc4ddddf3b8000406abb3e9c10106d1a786ed5acbdf317cb2dc209846bc0dfaf2c9c54c947f5a280012161565abfeeeb2265e41475cccb9c
ripemd-160
f930c3b449639dd9aa8e107a2f91835d16b09aa3
Diameter
174162862
Circumference
547148767.78737
Area
2.3823248834406E+16
Volume
2.7660834660922E+24
Surface area
9.5292995337622E+16
Circumference
547148767.78737
Perimeter
348325724
Area
7583175625007761
Diagonal
123151740.75106
Surface area
45499053750046566
Volume
6.6035378495E+23
Space diagonal
150829462.8878
Perimeter
261244293
Area
3.2836113663078E+15
Altitude
75414731.443902
Surface area
3.2836113663078E+15
Volume
7.7823439886724E+22
Height
41050580.250352