87387812 is an even 8-digits composite number following 87387811
and preceding 87387813 . In scientific notation, it is written as 8.7387812 × 10^7.
The sum of its digits is 44. It has a total of 4 prime factors and 12 positive divisors.
There are 43589280 positive integers (up to 87387812) that are relatively prime to 87387812.
87387812 has 12 divisors, whose sum is 153294876
The reverse of 87387812 is 21878378
Previous prime number is 421
Is Prime? no
Number parity even
Number length 8
Sum of Digits 44
Digital Root 8
Name
eighty-seven million three hundred eighty-seven thousand eight hundred twelve
Scientific notation
8.7387812 × 10^7
Engineering notation
8.7387812 × 10^6
Prime Factorization
2 × 2 × 421 × 51893
Composite number
ω
Distinct Factors
3
Total number of distinct prime factors
Ω
Total Factors
4
Total number of prime factors
rad
Radical
43693906
Product of the distinct prime numbers
The prime factorization of 87387812 is 2 × 2 × 421 × 51893.
Since it has a total of 4 prime factors.
8 , 9 , 16 , 82 , 793 , 786 , 5270 , 2493 , 45345 , 72405 , 600976 , 442551 , 8682035 , 9958863 , 47300814 , 1862056 , 943078748 , 178148419 , 2287847612 , 4280825611
n×2
174775624
n×3
262163436
n×4
349551248
n×5
436939060
n÷2
43693906
n÷3
29129270.666667
n÷3
21846953
n÷5
17477562.4
n2
7636629686147344
n3
6.6734835932666E+23
n4
5.8318112963347E+31
n5
5.0962922918357E+39
2 √n
9348.1448426947
3 √n
443.76218224838
4 √n
96.685804763133
5 √n
38.751647693585
1 , 2 , 4 , 421 , 842 , 1684 , 51893 , 103786 , 207572 , 21846953 , 43693906 , 87387812
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
-87387811
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 87387812 can be divided by 12 positive divisors.
The sum of these divisors (counting 87387812) is 1, the average is 0.083333333333333.
Base
System
Value
2
Binary
101001101010110111010100100
3
Ternary
20002102202112122
4
Quaternary
11031112322210
5
Quinary
134332402222
6
Senary
12401005112
8
Octal
515267244
10
Decimal
87387812
12
Duodecimal
25323798
16
Hexadecimal
5356ea4
20
Vigesimal
17639ac
36
Base36
1g10v8
md5
3ac4b483f96c95a18abb131385e5a9f8
sha1
b8d82101c19233d063cfd7dcb42c1d3542875abe
sha256
d46c237d22c72a5c1154c57a4a36f172efc3a7dcb2f51cfdf55270e1c711008f
sha512
c4b013499bcec1f7af529c3b67d95dd8ad7707bfdc849275725d83cf38cbf1738ef39375267f77333c04cfc4f17144814933bd7990a21705ab2cf60b078b0ca7
ripemd-160
9964fa18d05ac29c5584908a00b4d4aa94a18c42
Diameter
174775624
Circumference
549073816.38497
Area
2.3991179720186E+16
Volume
2.7953822707278E+24
Surface area
9.5964718880745E+16
Circumference
549073816.38497
Perimeter
349551248
Area
7636629686147344
Diagonal
123585028.91651
Surface area
45819778116884064
Volume
6.6734835932666E+23
Space diagonal
151360130.34628
Perimeter
262163436
Area
3.306757653749E+15
Altitude
75680065.173139
Surface area
3.306757653749E+15
Volume
7.8647758382267E+22
Height
41195009.638837