491013018 is an even 9-digits composite number following 491013017
and preceding 491013019 . In scientific notation, it is written as 4.91013018 × 10^8.
The sum of its digits is 27. It has a total of 4 prime factors and 12 positive divisors.
There are 163671000 positive integers (up to 491013018) that are relatively prime to 491013018.
491013018 has 12 divisors, whose sum is 1063861578
The reverse of 491013018 is 810310194
Previous prime number is 3
Is Prime? no
Number parity even
Number length 9
Sum of Digits 27
Digital Root 9
Name
four hundred ninety-one million thirteen thousand eighteen
Scientific notation
4.91013018 × 10^8
Engineering notation
4.91013018 × 10^6
Prime Factorization
2 × 3 × 3 × 27278501
Composite number
ω
Distinct Factors
3
Total number of distinct prime factors
Ω
Total Factors
4
Total number of prime factors
rad
Radical
163671006
Product of the distinct prime numbers
The prime factorization of 491013018 is 2 × 3 × 3 × 27278501.
Since it has a total of 4 prime factors.
10 , 10 , 32 , 25 , 404 , 498 , 4799 , 9751 , 67104 , 58400 , 951574 , 759364 , 7520015 , 1795493 , 67190783 , 48490931 , 649736757 , 793110982 , 2863577797 , 9332018523
n×2
982026036
n×3
1473039054
n×4
1964052072
n×5
2455065090
n÷2
245506509
n÷3
163671006
n÷3
122753254.5
n÷5
98202603.6
n2
241093783845468324
n3
1.18380186427E+26
n4
5.8126212608925E+34
n5
2.8540727078018E+43
2 √n
22158.813551271
3 √n
788.91643252227
4 √n
148.85836742109
5 √n
54.729137164998
1 , 2 , 3 , 6 , 9 , 18 , 27278501 , 54557002 , 81835503 , 163671006 , 245506509 , 491013018
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
-491013017
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 491013018 can be divided by 12 positive divisors.
The sum of these divisors (counting 491013018) is 1, the average is 0.083333333333333.
Base
System
Value
2
Binary
11101010001000100001110011010
3
Ternary
1021012221001020100
4
Quaternary
131101010032122
5
Quinary
2001144404033
6
Senary
120420040230
8
Octal
3521041632
10
Decimal
491013018
12
Duodecimal
118533076
16
Hexadecimal
1d44439a
20
Vigesimal
7d8gcai
36
Base36
84c42i
md5
587542008aa5e6eb1ee6f3e2d7ad6148
sha1
e5703a576d4445f8348b08460fc47ef53f134ad5
sha256
938acfb664367279c29e84dc428581d16c62f3a3c7c255f4b426823ec2157533
sha512
23735b2d789a25463c32385eb98e48adc9c167fffbe5b3636f2f79e24e2294b87f5564f9b64060115130af1067873ce2b80c1e948d7e48a794d274cc0354aea5
ripemd-160
dcf7cba7d3239088cb03072ada487870afc0b58b
Diameter
982026036
Circumference
3085125780.3315
Area
7.5741846015509E+17
Volume
4.9586976534622E+26
Surface area
3.0296738406204E+18
Circumference
3085125780.3315
Perimeter
1964052072
Area
241093783845468324
Diagonal
694397269.35734
Surface area
1446562703072809944
Volume
1.18380186427E+26
Space diagonal
850459494.35373
Perimeter
1473039054
Area
1.0439667075234E+17
Altitude
425229747.17687
Surface area
1.0439667075234E+17
Volume
1.3951238763444E+25
Height
231465756.45245