87131738 is an even 8-digits composite number following 87131737
and preceding 87131739 . In scientific notation, it is written as 8.7131738 × 10^7.
The sum of its digits is 38. It has a total of 4 prime factors and 16 positive divisors.
There are 43170816 positive integers (up to 87131738) that are relatively prime to 87131738.
87131738 has 16 divisors, whose sum is 131889600
The reverse of 87131738 is 83713178
Previous prime number is 599
Is Prime? no
Number parity even
Number length 8
Sum of Digits 38
Digital Root 2
Name
eighty-seven million one hundred thirty-one thousand seven hundred thirty-eight
Scientific notation
8.7131738 × 10^7
Engineering notation
8.7131738 × 10^6
Prime Factorization
2 × 257 × 599 × 283
Composite number
ω
Distinct Factors
4
Total number of distinct prime factors
Ω
Total Factors
4
Total number of prime factors
rad
Radical
87131738
Product of the distinct prime numbers
The prime factorization of 87131738 is 2 × 257 × 599 × 283.
Since it has a total of 4 prime factors.
5 , 4 , 87 , 55 , 101 , 883 , 8238 , 4017 , 24394 , 76467 , 176552 , 669784 , 4471114 , 1233975 , 9014146 , 67520806 , 742013166 , 967465424 , 3462532469 , 1604246529
n×2
174263476
n×3
261395214
n×4
348526952
n×5
435658690
n÷2
43565869
n÷3
29043912.666667
n÷3
21782934.5
n÷5
17426347.6
n2
7591939766900644
n3
6.6149890668137E+23
n4
5.7637549424247E+31
n5
5.0220598553956E+39
2 √n
9334.4382798324
3 √n
443.32830353399
4 √n
96.614896780116
5 √n
38.728910103411
1 , 2 , 257 , 283 , 514 , 566 , 599 , 1198 , 72731 , 145462 , 153943 , 169517 , 307886 , 339034 , 43565869 , 87131738
16 divisors
τ
Total Divisors
16
Total number of the positive divisors of n
σ
Sum of Divisors
1
Sum of all the positive divisors of n
s
Aliquot Sum
-87131737
Sum of the proper positive divisors of n
A
Arithmetic Mean
0.0625
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
16
Returns the total number of divisors (τ(n )) divided by the sum of the reciprocal of each divisors
The number 87131738 can be divided by 16 positive divisors.
The sum of these divisors (counting 87131738) is 1, the average is 0.0625.
Base
System
Value
2
Binary
101001100011000011001011010
3
Ternary
20001221202021102
4
Quaternary
11030120121122
5
Quinary
134301203423
6
Senary
12351311402
8
Octal
514303132
10
Decimal
87131738
12
Duodecimal
2521b562
16
Hexadecimal
531865a
20
Vigesimal
174b96i
36
Base36
1fvja2
md5
8f37c5e5a8d283e29ccafffbfb97f632
sha1
90a9372afe185c6c1d27eec3a13f2659becfea72
sha256
1860b1e34da90f92c4d63bcad6f5baec4ac6b920b9901b3583f0947e3decdeb0
sha512
72ece99028063fe22f795386a607d87a0f3f9f23f5c6773f5567249df85e124175e9d0d334b026a9d02f4d2f0c534e95038a3a4339cb7b4ff33a735cf13b9d58
ripemd-160
784082d7b03a014a4fabf0292ea1ae7e752ac802
Diameter
174263476
Circumference
547464855.99062
Area
2.3850782198191E+16
Volume
2.7708801407838E+24
Surface area
9.5403128792765E+16
Circumference
547464855.99062
Perimeter
348526952
Area
7591939766900644
Diagonal
123222885.59274
Surface area
45551638601403864
Volume
6.6149890668137E+23
Space diagonal
150916597.16778
Perimeter
261395214
Area
3.2874063510686E+15
Altitude
75458298.58389
Surface area
3.2874063510686E+15
Volume
7.795839377698E+22
Height
41074295.19758