87238081 is an odd 8-digits composite number following 87238080
and preceding 87238082 . In scientific notation, it is written as 8.7238081 × 10^7.
The sum of its digits is 37. It has a total of 4 prime factors and 12 positive divisors.
There are 74652648 positive integers (up to 87238081) that are relatively prime to 87238081.
87238081 has 12 divisors, whose sum is 101647872
The reverse of 87238081 is 18083278
Previous prime number is 863
Is Prime? no
Number parity odd
Number length 8
Sum of Digits 37
Digital Root 1
Name
eighty-seven million two hundred thirty-eight thousand eighty-one
Scientific notation
8.7238081 × 10^7
Engineering notation
8.7238081 × 10^6
Prime Factorization
7 × 7 × 863 × 2063
Composite number
ω
Distinct Factors
3
Total number of distinct prime factors
Ω
Total Factors
4
Total number of prime factors
rad
Radical
12462583
Product of the distinct prime numbers
The prime factorization of 87238081 is 7 × 7 × 863 × 2063.
Since it has a total of 4 prime factors.
7 , 2 , 22 , 69 , 774 , 118 , 453 , 1106 , 56064 , 22146 , 780385 , 602569 , 1648764 , 5729720 , 9640004 , 71261871 , 288937526 , 170636560 , 9204653053 , 399643020
n×2
174476162
n×3
261714243
n×4
348952324
n×5
436190405
n÷2
43619040.5
n÷3
29079360.333333
n÷3
21809520.25
n÷5
17447616.2
n2
7610482776562561
n3
6.6392391291087E+23
n4
5.7919448092355E+31
n5
5.0527815041562E+39
2 √n
9340.1328149015
3 √n
443.50858875875
4 √n
96.644362561411
5 √n
38.738359104203
1 , 7 , 49 , 863 , 2063 , 6041 , 14441 , 42287 , 101087 , 1780369 , 12462583 , 87238081
12 divisors
τ
Total Divisors
12
Total number of the positive divisors of n
σ
Sum of Divisors
1
Sum of all the positive divisors of n
s
Aliquot Sum
-87238080
Sum of the proper positive divisors of n
A
Arithmetic Mean
0.083333333333333
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
12
Returns the total number of divisors (τ(n )) divided by the sum of the reciprocal of each divisors
The number 87238081 can be divided by 12 positive divisors.
The sum of these divisors (counting 87238081) is 1, the average is 0.083333333333333.
Base
System
Value
2
Binary
101001100110010010111000001
3
Ternary
20002011011011001
4
Quaternary
11030302113001
5
Quinary
134313104311
6
Senary
12353452001
8
Octal
514622701
10
Decimal
87238081
12
Duodecimal
25271001
16
Hexadecimal
53325c1
20
Vigesimal
1754f41
36
Base36
1fxtc1
md5
4a63cae06b2528f95dfcfcea4aff9607
sha1
89627b8d2ba1e9dbb83841bd5e56f33a0474a771
sha256
e59365693599ea3eae49ab49397b9124f0f109a4184d9baec91e6001313ea0d8
sha512
057ea85f9bddbe4ffc044b3b85f10cc0f0fce108c350197d9dd0360880e1e51b4b2ea7b3f3d285d9b8a5dc6257f3f0159a1fd151a2bc1a94964cef8a75487c60
ripemd-160
9393b093a8d50f5aabf5fe045e6a60060a7de26a
Diameter
174476162
Circumference
548133028.76574
Area
2.3909036781121E+16
Volume
2.7810379831245E+24
Surface area
9.5636147124482E+16
Circumference
548133028.76574
Perimeter
348952324
Area
7610482776562561
Diagonal
123373277.3056
Surface area
45662896659375366
Volume
6.6392391291087E+23
Space diagonal
151100788.64681
Perimeter
261714243
Area
3.2954357097836E+15
Altitude
75550394.323405
Surface area
3.2954357097836E+15
Volume
7.8244183501864E+22
Height
41124425.768534