87081138 is an even 8-digits composite number following 87081137
and preceding 87081139 . In scientific notation, it is written as 8.7081138 × 10^7.
The sum of its digits is 36. It has a total of 4 prime factors and 12 positive divisors.
There are 29027040 positive integers (up to 87081138) that are relatively prime to 87081138.
87081138 has 12 divisors, whose sum is 188675838
The reverse of 87081138 is 83118078
Previous prime number is 3
Is Prime? no
Number parity even
Number length 8
Sum of Digits 36
Digital Root 9
Name
eighty-seven million eighty-one thousand one hundred thirty-eight
Scientific notation
8.7081138 × 10^7
Engineering notation
8.7081138 × 10^6
Prime Factorization
2 × 3 × 3 × 4837841
Composite number
ω
Distinct Factors
3
Total number of distinct prime factors
Ω
Total Factors
4
Total number of prime factors
rad
Radical
29027046
Product of the distinct prime numbers
The prime factorization of 87081138 is 2 × 3 × 3 × 4837841.
Since it has a total of 4 prime factors.
9 , 5 , 19 , 85 , 537 , 752 , 6682 , 5037 , 66495 , 54556 , 996761 , 655502 , 4424276 , 3851990 , 48489271 , 17616709 , 568830110 , 505612214 , 3757684679 , 997435857
n×2
174162276
n×3
261243414
n×4
348324552
n×5
435405690
n÷2
43540569
n÷3
29027046
n÷3
21770284.5
n÷5
17416227.6
n2
7583124595375044
n3
6.6034711936105E+23
n4
5.7503778628982E+31
n5
5.0074944823118E+39
2 √n
9331.7274928065
3 √n
443.24246892514
4 √n
96.600866936102
5 √n
38.724410851419
1 , 2 , 3 , 6 , 9 , 18 , 4837841 , 9675682 , 14513523 , 29027046 , 43540569 , 87081138
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
-87081137
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 87081138 can be divided by 12 positive divisors.
The sum of these divisors (counting 87081138) is 1, the average is 0.083333333333333.
Base
System
Value
2
Binary
101001100001100000010110010
3
Ternary
20001212011212100
4
Quaternary
11030030002302
5
Quinary
134243044023
6
Senary
12350241230
8
Octal
514140262
10
Decimal
87081138
12
Duodecimal
251b6216
16
Hexadecimal
530c0b2
20
Vigesimal
17452gi
36
Base36
1fug8i
md5
99a65d75ea4487b186cbe88c1938b8aa
sha1
555116db034a3d8452bc11e73e0d63555cd75502
sha256
c2773a0ec3b3627c777c3c6d6ee7b9b17601f6dc70176ef64b76bfdd32a7b102
sha512
ee243f6b7abf215df5e87dfba2dcbbe0ffd18dc70085d9e24465a9a7fa3d2e9d1e9555d27979a8688f1567910f68fae54da32364c302f4b7ae4f8776081c8810
ripemd-160
5b4f5152e6fdd7f937df10303d4b97b6e952cfe2
Diameter
174162276
Circumference
547146926.81408
Area
2.3823088520086E+16
Volume
2.7660555453385E+24
Surface area
9.5292354080345E+16
Circumference
547146926.81408
Perimeter
348324552
Area
7583124595375044
Diagonal
123151326.38648
Surface area
45498747572250264
Volume
6.6034711936105E+23
Space diagonal
150828955.39692
Perimeter
261243414
Area
3.2835892698287E+15
Altitude
75414477.698458
Surface area
3.2835892698287E+15
Volume
7.7822654339533E+22
Height
41050442.128828