197129781 is an odd 9-digits composite number following 197129780
and preceding 197129782 . In scientific notation, it is written as 1.97129781 × 10^8.
The sum of its digits is 45. It has a total of 4 prime factors and 12 positive divisors.
There are 130378248 positive integers (up to 197129781) that are relatively prime to 197129781.
197129781 has 12 divisors, whose sum is 223222272
The reverse of 197129781 is 187921791
Previous prime number is 127
Is Prime? no Number parity odd Number length 9 Sum of Digits 45 Digital Root 9
Name
one hundred ninety-seven million one hundred twenty-nine thousand seven hundred eighty-one
Scientific notation
1.97129781 × 10^8
Engineering notation
1.97129781 × 10^6
Prime Factorization
9 × 9 × 127 × 19163
Composite number
ω Distinct Factors
3 Total number of distinct prime factors
Ω Total Factors
4 Total number of prime factors
rad Radical
21903309 Product of the distinct prime numbers
The prime factorization of 197129781 is 9 × 9 × 127 × 19163.
Since it has a total of 4 prime factors.
7 , 6 , 80 , 49 , 317 , 529 , 6425 , 7139 , 1874 , 49344 , 703162 , 633437 , 2318976 , 4230547 , 45545447 , 2346031 , 498860973 , 598993607 , 9242938817 , 7240104706
n×2
394259562
n×3
591389343
n×4
788519124
n×5
985648905
n÷2
98564890.5
n÷3
65709927
n÷3
49282445.25
n÷5
39425956.2
n2
38860150557107961
n3
7.6604929689497E+24
n4
1.5101113013211E+33
n5
2.9768791011505E+41
2 √n14040.291343131
3 √n581.9925336485
4 √n118.49173533682
5 √n45.598488603908
1 , 9 , 81 , 127 , 1143 , 10287 , 19163 , 172467 , 1552203 , 2433701 , 21903309 , 197129781
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
-197129780 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 197129781 can be divided by 12 positive divisors.
The sum of these divisors (counting 197129781) is 1, the average is 0.083333333333333.
Base
System
Value
2
Binary
1011101111111111011000110101
3
Ternary
111201221020020000
4
Quaternary
23233333120311
5
Quinary
400431123111
6
Senary
31321101513
8
Octal
1357773065
10
Decimal
197129781
12
Duodecimal
56027899
16
Hexadecimal
bbff635
20
Vigesimal
31c1491
36
Base36
39d6b9
md5
061e8e4d46ef58dedcf603667403c23e
sha1
517f1b7631f7b3f63720e6e37ea73c736f16b5ec
sha256
3ddcdf6afa37ce678d49c3699c3e7bf235dfa55e31e966943350e58ac06f6245
sha512
434ee8c2e3cc6a661a4124e998168dd92c85b764e51aa7706144cae218c1b34b54c9db29077fce0edbb7a55aaeb4736867300863f27b1a0227fef785d377b88f
ripemd-160
336bc4f37259c2091a695b2e22a9c1639dec66ba
Diameter
394259562
Circumference
1238602943.5867
Area
1.220827635076E+17
Volume
3.2088197912172E+25
Surface area
4.8833105403041E+17
Circumference
1238602943.5867
Perimeter
788519124
Area
38860150557107961
Diagonal
278783609.83784
Surface area
233160903342647766
Volume
7.6604929689497E+24
Space diagonal
341438796.37693
Perimeter
591389343
Area
1.6826938788672E+16
Altitude
170719398.18846
Surface area
1.6826938788672E+16
Volume
9.027977542627E+23
Height
92927869.945946