87431381 is an odd 8-digits prime number following 87431380
and preceding 87431382 . In scientific notation, it is written as 8.7431381 × 10^7.
The sum of its digits is 35. It has a total of 1 prime factors and 2 positive divisors.
There are 87431380 positive integers (up to 87431381) that are relatively prime to 87431381.
87431381 has 2 divisors, whose sum is 87431382
The reverse of 87431381 is 18313478
Previous prime number is 1
Is Prime? yes Number parity odd Number length 8 Sum of Digits 35 Digital Root 8
Name
eighty-seven million four hundred thirty-one thousand three hundred eighty-one
Scientific notation
8.7431381 × 10^7
Engineering notation
8.7431381 × 10^6
Prime Factorization
87431381
Composite number
ω Distinct Factors
1 Total number of distinct prime factors
Ω Total Factors
1 Total number of prime factors
rad Radical
87431381 Product of the distinct prime numbers
The prime factorization of 87431381 is 87431381.
Since it has a total of 1 prime factors.
9 , 6 , 33 , 14 , 952 , 127 , 4518 , 6949 , 77498 , 70164 , 400336 , 898752 , 1101177 , 7810432 , 54798962 , 54690799 , 769919076 , 4625319 , 4358805413 , 4128803446
n×2
174862762
n×3
262294143
n×4
349725524
n×5
437156905
n÷2
43715690.5
n÷3
29143793.666667
n÷3
21857845.25
n÷5
17486276.2
n2
7644246383567161
n3
6.6834701801953E+23
n4
5.843450277268E+31
n5
5.1090092754637E+39
2 √n9350.4749077253
3 √n443.83591893163
4 √n96.697853687273
5 √n38.7555110102
2 divisors
τ Total Divisors
2 Total number of the positive divisors of n
σ Sum of Divisors
87431382 Sum of all the positive divisors of n
s Aliquot Sum
1 Sum of the proper positive divisors of n
A Arithmetic Mean
43715691 Returns the sum of divisors (σ(n )) divided by the total number of divisors (τ(n ))
G Geometric Mean
9350.4749611985 Returns the nth root of the product of n divisors
H Harmonic Mean
1.9999999771249 Returns the total number of divisors (τ(n )) divided by the sum of the reciprocal of each divisors
The number 87431381 can be divided by 2 positive divisors.
The sum of these divisors (counting 87431381) is 87431382, the average is 43715691.
Base
System
Value
2
Binary
101001101100001100011010101
3
Ternary
20002111222022022
4
Quaternary
11031201203111
5
Quinary
134340301011
6
Senary
12401542525
8
Octal
515414325
10
Decimal
87431381
12
Duodecimal
25344a45
16
Hexadecimal
53618d5
20
Vigesimal
1768i91
36
Base36
1g1yhh
md5
0b3ca628face75484d0915806b6aabd6
sha1
3fd890f6d7a7cba2c81fcd5077967fbe2044e36c
sha256
a1e30aba436d0575bf76e5a5eb2a145890ae20874ad9b67b022c82bc523ccac1
sha512
69d6b79526182f26a46cfc9d9d4e96a09ba145f26dcd6e4ba66245e70f135b516ea1745e1f9b8e9f072ecf6a7f7b32c4e1eff159e7d04be0c4c28e7b0024e19a
ripemd-160
97b56251659a7c9470ff00ea817b94d69fca88a1
Diameter
174862762
Circumference
549347568.48562
Area
2.4015108280845E+16
Volume
2.7995654424784E+24
Surface area
9.606043312338E+16
Circumference
549347568.48562
Perimeter
349725524
Area
7644246383567161
Diagonal
123646644.78721
Surface area
45865478301402966
Volume
6.6834701801953E+23
Space diagonal
151435594.06791
Perimeter
262294143
Area
3.3100557804782E+15
Altitude
75717797.033956
Surface area
3.3100557804782E+15
Volume
7.8765451437903E+22
Height
41215548.262403