87081131 is an odd 8-digits composite number following 87081130
and preceding 87081132 . In scientific notation, it is written as 8.7081131 × 10^7.
The sum of its digits is 29. It has a total of 2 prime factors and 4 positive divisors.
There are 87049200 positive integers (up to 87081131) that are relatively prime to 87081131.
87081131 has 4 divisors, whose sum is 87113064
The reverse of 87081131 is 13118078
Previous prime number is 3011
Is Prime? no
Number parity odd
Number length 8
Sum of Digits 29
Digital Root 2
Name
eighty-seven million eighty-one thousand one hundred thirty-one
Scientific notation
8.7081131 × 10^7
Engineering notation
8.7081131 × 10^6
Prime Factorization
3011 × 28921
Composite number
ω
Distinct Factors
2
Total number of distinct prime factors
Ω
Total Factors
2
Total number of prime factors
rad
Radical
87081131
Product of the distinct prime numbers
The prime factorization of 87081131 is 3011 × 28921.
Since it has a total of 2 prime factors.
5 , 10 , 7 , 29 , 330 , 438 , 2287 , 9537 , 89818 , 30054 , 228982 , 74017 , 7585900 , 9176086 , 30646775 , 16946504 , 202357248 , 856569336 , 9483755253 , 2813397561
n×2
174162262
n×3
261243393
n×4
348324524
n×5
435405655
n÷2
43540565.5
n÷3
29027043.666667
n÷3
21770282.75
n÷5
17416226.2
n2
7583123376239161
n3
6.6034696011544E+23
n4
5.7503760139265E+31
n5
5.0074924696799E+39
2 √n
9331.7271177419
3 √n
443.24245704848
4 √n
96.600864994791
5 √n
38.724410228849
4 divisors
τ
Total Divisors
4
Total number of the positive divisors of n
σ
Sum of Divisors
1
Sum of all the positive divisors of n
s
Aliquot Sum
-87081130
Sum of the proper positive divisors of n
A
Arithmetic Mean
0.25
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
4
Returns the total number of divisors (τ(n )) divided by the sum of the reciprocal of each divisors
The number 87081131 can be divided by 4 positive divisors.
The sum of these divisors (counting 87081131) is 1, the average is 0.25.
Base
System
Value
2
Binary
101001100001100000010101011
3
Ternary
20001212011212002
4
Quaternary
11030030002223
5
Quinary
134243044011
6
Senary
12350241215
8
Octal
514140253
10
Decimal
87081131
12
Duodecimal
251b620b
16
Hexadecimal
530c0ab
20
Vigesimal
17452gb
36
Base36
1fug8b
md5
c22636b4ad230693e4cb10fc49f7eff4
sha1
321ef4aa8955fa87191b603a1d585810ae78fbf9
sha256
5a2043acd1793d7d6bb999816dd0e04d1fe1b0fc3fe2ce95ef2a8dca4ad91dd2
sha512
29b0da3c26da6df4782aa91479d07c811169695a14776a9376a49385f0f6f239a96aaf9f04022e2057aa7d1d100ed78663db2ca55afdff8bb676e7831cbd3d4c
ripemd-160
0ff447a1322875c72b115b1447a0c67c26c5cbee
Diameter
174162262
Circumference
547146882.83178
Area
2.3823084690058E+16
Volume
2.766054878292E+24
Surface area
9.5292338760232E+16
Circumference
547146882.83178
Perimeter
348324524
Area
7583123376239161
Diagonal
123151316.48699
Surface area
45498740257434966
Volume
6.6034696011544E+23
Space diagonal
150828943.27256
Perimeter
261243393
Area
3.2835887419274E+15
Altitude
75414471.636281
Surface area
3.2835887419274E+15
Volume
7.7822635572259E+22
Height
41050438.828996