87081568 is an even 8-digits composite number following 87081567
and preceding 87081569 . In scientific notation, it is written as 8.7081568 × 10^7.
The sum of its digits is 43. It has a total of 7 prime factors and 24 positive divisors.
There are 37320576 positive integers (up to 87081568) that are relatively prime to 87081568.
87081568 has 24 divisors, whose sum is 195934032
The reverse of 87081568 is 86518078
Previous prime number is 7
Is Prime? no
Number parity even
Number length 8
Sum of Digits 43
Digital Root 7
Name
eighty-seven million eighty-one thousand five hundred sixty-eight
Scientific notation
8.7081568 × 10^7
Engineering notation
8.7081568 × 10^6
Prime Factorization
2 × 2 × 2 × 2 × 2 × 7 × 388757
Composite number
ω
Distinct Factors
3
Total number of distinct prime factors
Ω
Total Factors
7
Total number of prime factors
rad
Radical
5442598
Product of the distinct prime numbers
The prime factorization of 87081568 is 2 × 2 × 2 × 2 × 2 × 7 × 388757.
Since it has a total of 7 prime factors.
1 , 5 , 21 , 31 , 152 , 59 , 4219 , 4360 , 83055 , 57060 , 405677 , 937521 , 8999194 , 2075987 , 11122257 , 63171197 , 572135728 , 518368090 , 8700400252 , 9908260344
n×2
174163136
n×3
261244704
n×4
348326272
n×5
435407840
n÷2
43540784
n÷3
29027189.333333
n÷3
21770392
n÷5
17416313.6
n2
7583199485338624
n3
6.6035690164008E+23
n4
5.750491443444E+31
n5
5.0076181166569E+39
2 √n
9331.7505324564
3 √n
443.24319848974
4 √n
96.600986187804
5 √n
38.72444909498
1 , 2 , 4 , 7 , 8 , 14 , 16 , 28 , 32 , 56 , 112 , 224 , 388757 , 777514 , 1555028 , 2721299 , 3110056 , 5442598 , 6220112 , 10885196 , 12440224 , 21770392 , 43540784 , 87081568
24 divisors
τ
Total Divisors
24
Total number of the positive divisors of n
σ
Sum of Divisors
1
Sum of all the positive divisors of n
s
Aliquot Sum
-87081567
Sum of the proper positive divisors of n
A
Arithmetic Mean
0.041666666666667
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
24
Returns the total number of divisors (τ(n )) divided by the sum of the reciprocal of each divisors
The number 87081568 can be divided by 24 positive divisors.
The sum of these divisors (counting 87081568) is 1, the average is 0.041666666666667.
Base
System
Value
2
Binary
101001100001100001001100000
3
Ternary
20001212012110021
4
Quaternary
11030030021200
5
Quinary
134243102233
6
Senary
12350243224
8
Octal
514141140
10
Decimal
87081568
12
Duodecimal
251b6514
16
Hexadecimal
530c260
20
Vigesimal
17453i8
36
Base36
1fugkg
md5
20ead5e81128d96d5bf9990d46573f1d
sha1
8a97999e13f20a37acce499e443ab580574dd449
sha256
3af01f4e88a0c5a746b93361b30f1ebd4468b36cdcb549e7d4b25c1fcef9b917
sha512
59e988f5879074e08d68132399a3da5293dc1330aaaddfda2ad310879cbdafb9d1aa2ac0b1bb0143f2d343ee3e610e22268cecd12c05fce8b2039ae966a358cd
ripemd-160
68d71d797591f3d680017c55aaf28b2bcb37d35a
Diameter
174163136
Circumference
547149628.58376
Area
2.3823323793846E+16
Volume
2.7660965212531E+24
Surface area
9.5293295175383E+16
Circumference
547149628.58376
Perimeter
348326272
Area
7583199485338624
Diagonal
123151934.49831
Surface area
45499196912031744
Volume
6.6035690164008E+23
Space diagonal
150829700.17876
Perimeter
261244704
Area
3.2836216981342E+15
Altitude
75414850.089382
Surface area
3.2836216981342E+15
Volume
7.7823807192173E+22
Height
41050644.832772