87331381 is an odd 8-digits composite number following 87331380
and preceding 87331382 . In scientific notation, it is written as 8.7331381 × 10^7.
The sum of its digits is 34. It has a total of 2 prime factors and 4 positive divisors.
There are 87311500 positive integers (up to 87331381) that are relatively prime to 87331381.
87331381 has 4 divisors, whose sum is 87351264
The reverse of 87331381 is 18313378
Previous prime number is 13331
Is Prime? no
Number parity odd
Number length 8
Sum of Digits 34
Digital Root 7
Name
eighty-seven million three hundred thirty-one thousand three hundred eighty-one
Scientific notation
8.7331381 × 10^7
Engineering notation
8.7331381 × 10^6
Prime Factorization
13331 × 6551
Composite number
ω
Distinct Factors
2
Total number of distinct prime factors
Ω
Total Factors
2
Total number of prime factors
rad
Radical
87331381
Product of the distinct prime numbers
The prime factorization of 87331381 is 13331 × 6551.
Since it has a total of 2 prime factors.
10 , 8 , 20 , 88 , 934 , 184 , 8434 , 7624 , 17330 , 57553 , 20417 , 958708 , 4247895 , 9714973 , 61224161 , 90716251 , 984586573 , 1596130 , 23855761 , 5687332280
n×2
174662762
n×3
261994143
n×4
349325524
n×5
436656905
n÷2
43665690.5
n÷3
29110460.333333
n÷3
21832845.25
n÷5
17466276.2
n2
7626770107367161
n3
6.6605636604589E+23
n4
5.8167622270629E+31
n5
5.0798587823804E+39
2 √n
9345.1260558646
3 √n
443.66664132806
4 √n
96.670192178689
5 √n
38.74664159662
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
-87331380
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 87331381 can be divided by 4 positive divisors.
The sum of these divisors (counting 87331381) is 1, the average is 0.25.
Base
System
Value
2
Binary
101001101001001001000110101
3
Ternary
20002022220010121
4
Quaternary
11031021020311
5
Quinary
134324101011
6
Senary
12355451541
8
Octal
515111065
10
Decimal
87331381
12
Duodecimal
252b6bb1
16
Hexadecimal
5349235
20
Vigesimal
175g891
36
Base36
1fztbp
md5
0fdc105687ead48cd0910458c9fff1a2
sha1
0b6c4cd4d1b78521f3544518cbac220ae510c541
sha256
ce6b351c7442e4e0dd26b644dc5a33949700809f04284fe21f6988b20f8d4194
sha512
91236b670c4a06119ea2d219d2a2303d6073b1e8b2b6e88ccadaf8fa72227a6988bfbc6d267a5914614eeb117c12f34c7a1e3ded158010a6de6484d777a9d9e8
ripemd-160
b0e1529b50aae74ac363c751e3022c74b9691406
Diameter
174662762
Circumference
548719249.9549
Area
2.3960204939923E+16
Volume
2.7899703819287E+24
Surface area
9.5840819759692E+16
Circumference
548719249.9549
Perimeter
349325524
Area
7626770107367161
Diagonal
123505223.43097
Surface area
45760620644202966
Volume
6.6605636604589E+23
Space diagonal
151262388.98716
Perimeter
261994143
Area
3.3024883309019E+15
Altitude
75631194.493578
Surface area
3.3024883309019E+15
Volume
7.849549551392E+22
Height
41168407.810324