87431390 is an even 8-digits composite number following 87431389
and preceding 87431391 . In scientific notation, it is written as 8.7431390 × 10^7.
The sum of its digits is 35. It has a total of 3 prime factors and 8 positive divisors.
There are 34972552 positive integers (up to 87431390) that are relatively prime to 87431390.
87431390 has 8 divisors, whose sum is 157376520
The reverse of 87431390 is 09313478
Previous prime number is 5
Is Prime? no
Number parity even
Number length 8
Sum of Digits 35
Digital Root 8
Name
eighty-seven million four hundred thirty-one thousand three hundred ninety
Scientific notation
8.7431390 × 10^7
Engineering notation
8.7431390 × 10^6
Prime Factorization
2 × 5 × 8743139
Composite number
ω
Distinct Factors
3
Total number of distinct prime factors
Ω
Total Factors
3
Total number of prime factors
rad
Radical
87431390
Product of the distinct prime numbers
The prime factorization of 87431390 is 2 × 5 × 8743139.
Since it has a total of 3 prime factors.
2 , 10 , 15 , 60 , 173 , 285 , 5121 , 2421 , 7688 , 26104 , 506968 , 926434 , 7979349 , 1432012 , 65967776 , 50974570 , 424468065 , 43549962 , 6850663159 , 7114963393
n×2
174862780
n×3
262294170
n×4
349725560
n×5
437156950
n÷2
43715695
n÷3
29143796.666667
n÷3
21857847.5
n÷5
17486278
n2
7644247957332100
n3
6.6834722441421E+23
n4
5.8434526833176E+31
n5
5.1090119050169E+39
2 √n
9350.4753889842
3 √n
443.83593416081
4 √n
96.697856175741
5 √n
38.755511808082
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
-87431389
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 87431390 can be divided by 8 positive divisors.
The sum of these divisors (counting 87431390) is 1, the average is 0.125.
Base
System
Value
2
Binary
101001101100001100011011110
3
Ternary
20002111222022122
4
Quaternary
11031201203132
5
Quinary
134340301030
6
Senary
12401542542
8
Octal
515414336
10
Decimal
87431390
12
Duodecimal
25344a52
16
Hexadecimal
53618de
20
Vigesimal
1768i9a
36
Base36
1g1yhq
md5
eaad5453ef6f349ce378f9caf3ba0670
sha1
d1dc8f2eed73d5769c0ff13f674c50b9c2238021
sha256
e4198e044d27504ea8ea3cd9353190c4ba1b8f5f05cce0de46eb834ecb19669f
sha512
2c2bea33546988cece328ae115a7b807b376d60ce445c9927336cf3977619c6d2a607c1e29efb1022856cfb636678d74622fa5c805710787d64f85df5e136da0
ripemd-160
dc23c7f4ab9e14d1486d7d49c6fcbd034e98bc25
Diameter
174862780
Circumference
549347625.03429
Area
2.4015113224973E+16
Volume
2.7995663070224E+24
Surface area
9.6060452899893E+16
Circumference
549347625.03429
Perimeter
349725560
Area
7644247957332100
Diagonal
123646657.51513
Surface area
45865487743992600
Volume
6.6834722441421E+23
Space diagonal
151435609.65637
Perimeter
262294170
Area
3.3100564619385E+15
Altitude
75717804.828185
Surface area
3.3100564619385E+15
Volume
7.8765475761749E+22
Height
41215552.505044