87081145 is an odd 8-digits composite number following 87081144
and preceding 87081146 . In scientific notation, it is written as 8.7081145 × 10^7.
The sum of its digits is 34. It has a total of 3 prime factors and 8 positive divisors.
There are 68683440 positive integers (up to 87081145) that are relatively prime to 87081145.
87081145 has 8 divisors, whose sum is 105969600
The reverse of 87081145 is 54118078
Previous prime number is 71
Is Prime? no
Number parity odd
Number length 8
Sum of Digits 34
Digital Root 7
Name
eighty-seven million eighty-one thousand one hundred forty-five
Scientific notation
8.7081145 × 10^7
Engineering notation
8.7081145 × 10^6
Prime Factorization
5 × 71 × 245299
Composite number
ω
Distinct Factors
3
Total number of distinct prime factors
Ω
Total Factors
3
Total number of prime factors
rad
Radical
87081145
Product of the distinct prime numbers
The prime factorization of 87081145 is 5 × 71 × 245299.
Since it has a total of 3 prime factors.
8 , 7 , 73 , 74 , 110 , 866 , 2925 , 3246 , 33901 , 73737 , 960578 , 107082 , 2931959 , 5169323 , 10207538 , 65006993 , 561709688 , 623882047 , 6515025796 , 2424146873
n×2
174162290
n×3
261243435
n×4
348324580
n×5
435405725
n÷2
43540572.5
n÷3
29027048.333333
n÷3
21770286.25
n÷5
17416229
n2
7583125814511025
n3
6.6034727860668E+23
n4
5.7503797118703E+31
n5
5.0074964949444E+39
2 √n
9331.727867871
3 √n
443.24248080179
4 √n
96.600868877412
5 √n
38.72441147399
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
-87081144
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 87081145 can be divided by 8 positive divisors.
The sum of these divisors (counting 87081145) is 1, the average is 0.125.
Base
System
Value
2
Binary
101001100001100000010111001
3
Ternary
20001212011212121
4
Quaternary
11030030002321
5
Quinary
134243044040
6
Senary
12350241241
8
Octal
514140271
10
Decimal
87081145
12
Duodecimal
251b6221
16
Hexadecimal
530c0b9
20
Vigesimal
17452h5
36
Base36
1fug8p
md5
b27755455123e6ae926af566235f3501
sha1
551fee390f2d5a9fc826cef8650cc4dfc1975845
sha256
99e5fceb793aefdaaf05ebccc1b606498188ff3fd57379bbb649c3cd1b92908b
sha512
dedd3e1b542b5a5ec735e5db3d347cd7c84555f419e39e7ebbe5f86ce909dc33cfb6fc55c7f70feb29bf54a454c053666b40ed4b7157cfe31fb2b7cf46e0dc34
ripemd-160
0229887f26c914566bde3189250c263a0b150870
Diameter
174162290
Circumference
547146970.79638
Area
2.3823092350115E+16
Volume
2.766056212385E+24
Surface area
9.529236940046E+16
Circumference
547146970.79638
Perimeter
348324580
Area
7583125814511025
Diagonal
123151336.28598
Surface area
45498754887066150
Volume
6.6034727860668E+23
Space diagonal
150828967.52127
Perimeter
261243435
Area
3.2835897977301E+15
Altitude
75414483.760636
Surface area
3.2835897977301E+15
Volume
7.7822673106811E+22
Height
41050445.428659