131978788 is an even 9-digits composite number following 131978787
and preceding 131978789 . In scientific notation, it is written as 1.31978788 × 10^8.
The sum of its digits is 52. It has a total of 4 prime factors and 12 positive divisors.
There are 62516232 positive integers (up to 131978788) that are relatively prime to 131978788.
131978788 has 12 divisors, whose sum is 243118960
The reverse of 131978788 is 887879131
Previous prime number is 19
Is Prime? no Number parity even Number length 9 Sum of Digits 52 Digital Root 7
Name
one hundred thirty-one million nine hundred seventy-eight thousand seven hundred eighty-eight
Scientific notation
1.31978788 × 10^8
Engineering notation
1.31978788 × 10^6
Prime Factorization
2 × 2 × 19 × 1736563
Composite number
ω Distinct Factors
3 Total number of distinct prime factors
Ω Total Factors
4 Total number of prime factors
rad Radical
65989394 Product of the distinct prime numbers
The prime factorization of 131978788 is 2 × 2 × 19 × 1736563.
Since it has a total of 4 prime factors.
10 , 6 , 82 , 39 , 733 , 702 , 2576 , 3709 , 29130 , 13771 , 394822 , 387451 , 8529749 , 2747270 , 7950555 , 94120055 , 994283796 , 442825034 , 1375924252 , 3851887091
n×2
263957576
n×3
395936364
n×4
527915152
n×5
659893940
n÷2
65989394
n÷3
43992929.333333
n÷3
32994697
n÷5
26395757.6
n2
17418400481948944
n3
2.2988593845062E+24
n4
3.0340067534956E+32
n5
4.0042453411016E+40
2 √n11488.202122177
3 √n509.13706178287
4 √n107.18303094323
5 √n42.082431692687
1 , 2 , 4 , 19 , 38 , 76 , 1736563 , 3473126 , 6946252 , 32994697 , 65989394 , 131978788
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
-131978787 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 131978788 can be divided by 12 positive divisors.
The sum of these divisors (counting 131978788) is 1, the average is 0.083333333333333.
Base
System
Value
2
Binary
111110111011101011000100100
3
Ternary
100012100012212021
4
Quaternary
13313131120210
5
Quinary
232241310123
6
Senary
21032432524
8
Octal
767353044
10
Decimal
131978788
12
Duodecimal
38248744
16
Hexadecimal
7ddd624
20
Vigesimal
214h6j8
36
Base36
26krhg
md5
1098937f1f58f4d44c703eb64ec3f5b7
sha1
583823ac1931a7e9be886192342b1c5ea35b87a4
sha256
527f0b569c1a29faabca01fbd676b8ffd07c9d1264cab0635b48d01af10e440c
sha512
32b8bd87a962294d1a77263cd2a457411ec4824e3e59ed512358df53070f26e6a195961ec18b8fdfc82d68eacf67a7db0610850190674a47f0cc063b60fe655c
ripemd-160
79b28e65cf77149049dd5f891ad075ea404cee59
Diameter
263957576
Circumference
829247181.62097
Area
5.4721518991376E+16
Volume
9.629439672001E+24
Surface area
2.188860759655E+17
Circumference
829247181.62097
Perimeter
527915152
Area
17418400481948944
Diagonal
186646191.93516
Surface area
104510402891693664
Volume
2.2988593845062E+24
Space diagonal
228593966.33736
Perimeter
395936364
Area
7.5423886553294E+15
Altitude
114296983.16868
Surface area
7.5423886553294E+15
Volume
2.7092317662978E+23
Height
62215397.311721