87087979 is an odd 8-digits composite number following 87087978
and preceding 87087980 . In scientific notation, it is written as 8.7087979 × 10^7.
The sum of its digits is 55. It has a total of 3 prime factors and 8 positive divisors.
There are 78867240 positive integers (up to 87087979) that are relatively prime to 87087979.
87087979 has 8 divisors, whose sum is 95369472
The reverse of 87087979 is 97978078
Previous prime number is 263
Is Prime? no
Number parity odd
Number length 8
Sum of Digits 55
Digital Root 1
Name
eighty-seven million eighty-seven thousand nine hundred seventy-nine
Scientific notation
8.7087979 × 10^7
Engineering notation
8.7087979 × 10^6
Prime Factorization
11 × 263 × 30103
Composite number
ω
Distinct Factors
3
Total number of distinct prime factors
Ω
Total Factors
3
Total number of prime factors
rad
Radical
87087979
Product of the distinct prime numbers
The prime factorization of 87087979 is 11 × 263 × 30103.
Since it has a total of 3 prime factors.
5 , 5 , 43 , 90 , 223 , 760 , 2768 , 9282 , 63279 , 76796 , 736140 , 395953 , 9805238 , 6092015 , 31930890 , 84055494 , 120469380 , 29806874 , 5078346067 , 9277191368
n×2
174175958
n×3
261263937
n×4
348351916
n×5
435439895
n÷2
43543989.5
n÷3
29029326.333333
n÷3
21771994.75
n÷5
17417595.8
n2
7584316086304441
n3
6.6050276005344E+23
n4
5.7521850496976E+31
n5
5.0094617081218E+39
2 √n
9332.0940308164
3 √n
443.25407550417
4 √n
96.602764095115
5 √n
38.725019261866
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
-87087978
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 87087979 can be divided by 8 positive divisors.
The sum of these divisors (counting 87087979) is 1, the average is 0.125.
Base
System
Value
2
Binary
101001100001101101101101011
3
Ternary
20001212112020201
4
Quaternary
11030031231223
5
Quinary
134243303404
6
Senary
12350333031
8
Octal
514155553
10
Decimal
87087979
12
Duodecimal
251ba177
16
Hexadecimal
530db6b
20
Vigesimal
1745jij
36
Base36
1fulij
md5
e00fd0181b5fc13cfe7fd5883f692445
sha1
5d4d0621d4213ebdd02e091ee56e35e2dff8af9a
sha256
963af4a8fd4e5a848cb81b6ef57aabcb137c8097b598b0be9d27d9874064c9ce
sha512
9081463e5d4e43e311f9e71088cbad74ed5874a0b06a5080519b264b1800b7d229550ef363adfbfca0cf55131507d61a66b6246eca2f6db34ea08d3e5b021e8e
ripemd-160
e5d9c6c97a3c719799650bb8d6e2de9d57ad0bb5
Diameter
174175958
Circumference
547189910.08476
Area
2.3826831699237E+16
Volume
2.7667074915462E+24
Surface area
9.5307326796948E+16
Circumference
547189910.08476
Perimeter
348351916
Area
7584316086304441
Diagonal
123161001.02146
Surface area
45505896517826646
Volume
6.6050276005344E+23
Space diagonal
150840804.35649
Perimeter
261263937
Area
3.2841052005353E+15
Altitude
75420402.178246
Surface area
3.2841052005353E+15
Volume
7.7840996771037E+22
Height
41053667.007154