130178987 is an odd 9-digits composite number following 130178986
and preceding 130178988 . In scientific notation, it is written as 1.30178987 × 10^8.
The sum of its digits is 44. It has a total of 3 prime factors and 8 positive divisors.
There are 126289152 positive integers (up to 130178987) that are relatively prime to 130178987.
130178987 has 8 divisors, whose sum is 134089536
The reverse of 130178987 is 789871031
Previous prime number is 353
Is Prime? no
Number parity odd
Number length 9
Sum of Digits 44
Digital Root 8
Name
one hundred thirty million one hundred seventy-eight thousand nine hundred eighty-seven
Scientific notation
1.30178987 × 10^8
Engineering notation
1.30178987 × 10^6
Prime Factorization
37 × 353 × 9967
Composite number
ω
Distinct Factors
3
Total number of distinct prime factors
Ω
Total Factors
3
Total number of prime factors
rad
Radical
130178987
Product of the distinct prime numbers
The prime factorization of 130178987 is 37 × 353 × 9967.
Since it has a total of 3 prime factors.
9 , 9 , 78 , 56 , 576 , 637 , 8891 , 1262 , 24344 , 6284 , 985134 , 427969 , 4726732 , 9210297 , 56062385 , 62538620 , 991395779 , 450787327 , 6364428536 , 4036553479
n×2
260357974
n×3
390536961
n×4
520715948
n×5
650894935
n÷2
65089493.5
n÷3
43392995.666667
n÷3
32544746.75
n÷5
26035797.4
n2
16946568656346169
n3
2.2060871408091E+24
n4
2.8718618922425E+32
n5
3.7385607193604E+40
2 √n
11409.60065033
3 √n
506.8120855003
4 √n
106.81573222297
5 √n
41.967024414166
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
-130178986
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 130178987 can be divided by 8 positive divisors.
The sum of these divisors (counting 130178987) is 1, the average is 0.125.
Base
System
Value
2
Binary
111110000100101111110101011
3
Ternary
100001221202222222
4
Quaternary
13300211332223
5
Quinary
231311211422
6
Senary
20530104255
8
Octal
760457653
10
Decimal
130178987
12
Duodecimal
3771b08b
16
Hexadecimal
7c25fab
20
Vigesimal
20dc797
36
Base36
25i6qz
md5
780ecdb0f2430defe6576e84a4f81bda
sha1
9f27c51b2873bb8544e5a6fcef675d9813e602e5
sha256
fce11ffea9201769864a270a59979ee350f01daeafdc844a351631f58c19a453
sha512
428f46601132f18535dd1c09c8afaacd67b3b93f79ba4c4df30b31640468cd2387720e87f71f147a59198caf1631412e8254d6ff1be73016375f86f83ea60690
ripemd-160
eac1fea40055352b4e312ec20fd8966c664152fb
Diameter
260357974
Circumference
817938698.42192
Area
5.3239215594332E+16
Volume
9.2408362063264E+24
Surface area
2.1295686237733E+17
Circumference
817938698.42192
Perimeter
520715948
Area
16946568656346169
Diagonal
184100888.95139
Surface area
101679411938077014
Volume
2.2060871408091E+24
Space diagonal
225476619.56185
Perimeter
390536961
Area
7.3380794816865E+15
Altitude
112738309.78092
Surface area
7.3380794816865E+15
Volume
2.5998986285909E+23
Height
61366962.983797