87831238 is an even 8-digits composite number following 87831237
and preceding 87831239 . In scientific notation, it is written as 8.7831238 × 10^7.
The sum of its digits is 40. It has a total of 4 prime factors and 16 positive divisors.
There are 39320160 positive integers (up to 87831238) that are relatively prime to 87831238.
87831238 has 16 divisors, whose sum is 143945424
The reverse of 87831238 is 83213878
Previous prime number is 737
Is Prime? no
Number parity even
Number length 8
Sum of Digits 40
Digital Root 4
Name
eighty-seven million eight hundred thirty-one thousand two hundred thirty-eight
Scientific notation
8.7831238 × 10^7
Engineering notation
8.7831238 × 10^6
Prime Factorization
2 × 11 × 737 × 5417
Composite number
ω
Distinct Factors
4
Total number of distinct prime factors
Ω
Total Factors
4
Total number of prime factors
rad
Radical
87831238
Product of the distinct prime numbers
The prime factorization of 87831238 is 2 × 11 × 737 × 5417.
Since it has a total of 4 prime factors.
8 , 1 , 44 , 70 , 802 , 276 , 824 , 8552 , 7894 , 85387 , 196319 , 651104 , 162285 , 498857 , 89926946 , 66019123 , 760250345 , 922602071 , 5394467609 , 3041613637
n×2
175662476
n×3
263493714
n×4
351324952
n×5
439156190
n÷2
43915619
n÷3
29277079.333333
n÷3
21957809.5
n÷5
17566247.6
n2
7714326368612644
n3
6.7755883529129E+23
n4
5.9510831321472E+31
n5
5.2269099893741E+39
2 √n
9371.8321581215
3 √n
444.51150030369
4 √n
96.808223607922
5 √n
38.790895081401
1 , 2 , 11 , 22 , 737 , 1474 , 5417 , 8107 , 10834 , 16214 , 59587 , 119174 , 3992329 , 7984658 , 43915619 , 87831238
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
-87831237
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 87831238 can be divided by 16 positive divisors.
The sum of these divisors (counting 87831238) is 1, the average is 0.0625.
Base
System
Value
2
Binary
101001111000011001011000110
3
Ternary
20010021021210211
4
Quaternary
11033003023012
5
Quinary
134441044423
6
Senary
12414310034
8
Octal
517031306
10
Decimal
87831238
12
Duodecimal
254b831a
16
Hexadecimal
53c32c6
20
Vigesimal
178ii1i
36
Base36
1gaj0m
md5
3484181b86aaad5e2e8a9974515a7338
sha1
91ad1bcd6d1c9d55b535ea89ca586c6ff4c01e74
sha256
ada5f4006310cd71c1fc1fb08de4630e4186d113216b5d6b5122c1f0c53c91f9
sha512
a43a6332420f72f98c60c7ab35facc7bd0968d17ddccec32730e1ed5b72b65221c5f852915cf26db927979540fe7603d3549331d555595333ce64e9f7a406f93
ripemd-160
2271d7319dfac5ace2ec6cab8164742a9ce3d2a8
Diameter
175662476
Circumference
551859944.11299
Area
2.4235271047028E+16
Volume
2.8381518124346E+24
Surface area
9.694108418811E+16
Circumference
551859944.11299
Perimeter
351324952
Area
7714326368612644
Diagonal
124212127.97962
Surface area
46285958211675864
Volume
6.7755883529129E+23
Space diagonal
152128166.70767
Perimeter
263493714
Area
3.3404013041514E+15
Altitude
76064083.353837
Surface area
3.3404013041514E+15
Volume
7.9851074514555E+22
Height
41404042.659873