491138861 is an odd 9-digits composite number following 491138860
and preceding 491138862 . In scientific notation, it is written as 4.91138861 × 10^8.
The sum of its digits is 41. It has a total of 4 prime factors and 16 positive divisors.
There are 472180800 positive integers (up to 491138861) that are relatively prime to 491138861.
491138861 has 16 divisors, whose sum is 510554880
The reverse of 491138861 is 168831194
Previous prime number is 101
Is Prime? no Number parity odd Number length 9 Sum of Digits 41 Digital Root 5
Name
four hundred ninety-one million one hundred thirty-eight thousand eight hundred sixty-one
Scientific notation
4.91138861 × 10^8
Engineering notation
4.91138861 × 10^6
Prime Factorization
47 × 659 × 101 × 157
Composite number
ω Distinct Factors
4 Total number of distinct prime factors
Ω Total Factors
4 Total number of prime factors
rad Radical
491138861 Product of the distinct prime numbers
The prime factorization of 491138861 is 47 × 659 × 101 × 157.
Since it has a total of 4 prime factors.
9 , 10 , 84 , 89 , 19 , 659 , 6172 , 8085 , 34557 , 90827 , 185997 , 537244 , 1003525 , 291643 , 49269412 , 8550474 , 983449478 , 909680475 , 6796426684 , 4196241999
n×2
982277722
n×3
1473416583
n×4
1964555444
n×5
2455694305
n÷2
245569430.5
n÷3
163712953.66667
n÷3
122784715.25
n÷5
98227772.2
n2
241217380784377321
n3
1.1847122965184E+26
n4
5.8185824792475E+34
n5
2.8577319714922E+43
2 √n22161.652939255
3 √n788.98382457818
4 √n148.86790432882
5 √n54.731942211952
1 , 47 , 101 , 157 , 659 , 4747 , 7379 , 15857 , 30973 , 66559 , 103463 , 745279 , 3128273 , 4862761 , 10449763 , 491138861
16 divisors
τ Total Divisors
16 Total number of the positive divisors of n
σ Sum of Divisors
1 Sum of all the positive divisors of n
s Aliquot Sum
-491138860 Sum of the proper positive divisors of n
A Arithmetic Mean
0.0625 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
16 Returns the total number of divisors (τ(n )) divided by the sum of the reciprocal of each divisors
The number 491138861 can be divided by 16 positive divisors.
The sum of these divisors (counting 491138861) is 1, the average is 0.0625.
Base
System
Value
2
Binary
11101010001100010111100101101
3
Ternary
1021020011102212012
4
Quaternary
131101202330231
5
Quinary
2001212420421
6
Senary
120422451005
8
Octal
3521427455
10
Decimal
491138861
12
Duodecimal
118593a65
16
Hexadecimal
1d462f2d
20
Vigesimal
7d9c731
36
Base36
84et65
md5
364c247b3e921ff1e87d6f0e53a98531
sha1
9486eb5b64feecce39331609c72859e232382dc3
sha256
eb44fbd43887011b70999f839a1940925068e54db6739692e05fcc53fead2fec
sha512
18eea7a5526a2476b85c6779bcb03e0bf9700d9b962cfbdbc9ac4d8ac165b230950f23df8f54810f7539d181921d4fbaf1a6be42ce4ac210e9ce6d065c37c0d9
ripemd-160
9e7f2eeeecb8fb904189603fdfaf552ed1e9d772
Diameter
982277722
Circumference
3085916475.2201
Area
7.5780675139037E+17
Volume
4.9625112631464E+26
Surface area
3.0312270055615E+18
Circumference
3085916475.2201
Perimeter
1964555444
Area
241217380784377321
Diagonal
694575238.23467
Surface area
1447304284706263926
Volume
1.1847122965184E+26
Space diagonal
850677460.82351
Perimeter
1473416583
Area
1.0445018979681E+17
Altitude
425338730.41175
Surface area
1.0445018979681E+17
Volume
1.3961968310388E+25
Height
231525079.41156