87081213 is an odd 8-digits composite number following 87081212
and preceding 87081214 . In scientific notation, it is written as 8.7081213 × 10^7.
The sum of its digits is 30. It has a total of 3 prime factors and 8 positive divisors.
There are 58022288 positive integers (up to 87081213) that are relatively prime to 87081213.
87081213 has 8 divisors, whose sum is 116172000
The reverse of 87081213 is 31218078
Previous prime number is 2099
Is Prime? no
Number parity odd
Number length 8
Sum of Digits 30
Digital Root 3
Name
eighty-seven million eighty-one thousand two hundred thirteen
Scientific notation
8.7081213 × 10^7
Engineering notation
8.7081213 × 10^6
Prime Factorization
3 × 2099 × 13829
Composite number
ω
Distinct Factors
3
Total number of distinct prime factors
Ω
Total Factors
3
Total number of prime factors
rad
Radical
87081213
Product of the distinct prime numbers
The prime factorization of 87081213 is 3 × 2099 × 13829.
Since it has a total of 3 prime factors.
6 , 8 , 38 , 4 , 580 , 101 , 6549 , 4071 , 22528 , 19131 , 975199 , 16050 , 6827738 , 8134726 , 81161348 , 82718895 , 685374697 , 829885752 , 3048513538 , 9621772428
n×2
174162426
n×3
261243639
n×4
348324852
n×5
435406065
n÷2
43540606.5
n÷3
29027071
n÷3
21770303.25
n÷5
17416242.6
n2
7583137657551369
n3
6.6034882556555E+23
n4
5.7503976733374E+31
n5
5.007516046266E+39
2 √n
9331.7315113541
3 √n
443.24259617495
4 √n
96.600887735849
5 √n
38.724417521819
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
-87081212
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 87081213 can be divided by 8 positive divisors.
The sum of these divisors (counting 87081213) is 1, the average is 0.125.
Base
System
Value
2
Binary
101001100001100000011111101
3
Ternary
20001212011222010
4
Quaternary
11030030003331
5
Quinary
134243044323
6
Senary
12350241433
8
Octal
514140375
10
Decimal
87081213
12
Duodecimal
251b6279
16
Hexadecimal
530c0fd
20
Vigesimal
174530d
36
Base36
1fugal
md5
fc75fe790ce8b51923bdd871b8e1a0cf
sha1
ab232dc40db753e630fca32297dc0d195ddf7a7a
sha256
f3b672129e7b6b41a2f314a246646036318f71364bbe9fb745686df36b2881ec
sha512
974f50f1589b1835be3b515f419e2f4ea3992141367f647dacabff92aa5770695761982ce85b05799d5441884fb2c686a8d7079de4ec15bd2ed94e573aa4ad8e
ripemd-160
be2174a5e2c9fcf62a69cd42595ff3fa685b5391
Diameter
174162426
Circumference
547147398.05298
Area
2.3823129556123E+16
Volume
2.7660626922712E+24
Surface area
9.5292518224494E+16
Circumference
547147398.05298
Perimeter
348324852
Area
7583137657551369
Diagonal
123151432.4525
Surface area
45498825945308214
Volume
6.6034882556555E+23
Space diagonal
150829085.30073
Perimeter
261243639
Area
3.283594925917E+15
Altitude
75414542.650364
Surface area
3.283594925917E+15
Volume
7.7822855417662E+22
Height
41050477.484167