490947891 is an odd 9-digits composite number following 490947890
and preceding 490947892 . In scientific notation, it is written as 4.90947891 × 10^8.
The sum of its digits is 51. It has a total of 2 prime factors and 4 positive divisors.
There are 280541640 positive integers (up to 490947891) that are relatively prime to 490947891.
490947891 has 4 divisors, whose sum is 514326384
The reverse of 490947891 is 198749094
Previous prime number is 21
Is Prime? no
Number parity odd
Number length 9
Sum of Digits 51
Digital Root 6
Name
four hundred ninety million nine hundred forty-seven thousand eight hundred ninety-one
Scientific notation
4.90947891 × 10^8
Engineering notation
4.90947891 × 10^6
Prime Factorization
21 × 23378471
Composite number
ω
Distinct Factors
2
Total number of distinct prime factors
Ω
Total Factors
2
Total number of prime factors
rad
Radical
490947891
Product of the distinct prime numbers
The prime factorization of 490947891 is 21 × 23378471.
Since it has a total of 2 prime factors.
7 , 3 , 84 , 31 , 699 , 58 , 7261 , 3267 , 97416 , 97646 , 358814 , 91698 , 2007751 , 6364687 , 43716046 , 53274803 , 150859328 , 325762202 , 1945009866 , 132284478
n×2
981895782
n×3
1472843673
n×4
1963791564
n×5
2454739455
n÷2
245473945.5
n÷3
163649297
n÷3
122736972.75
n÷5
98189578.2
n2
241029831677347881
n3
1.1833308753008E+26
n4
5.8095379758411E+34
n5
2.8521804169236E+43
2 √n
22157.343951837
3 √n
788.88155087255
4 √n
148.85343110536
5 √n
54.727685254964
4 divisors
τ
Total Divisors
4
Total number of the positive divisors of n
σ
Sum of Divisors
1
Sum of all the positive divisors of n
s
Aliquot Sum
-490947890
Sum of the proper positive divisors of n
A
Arithmetic Mean
0.25
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
4
Returns the total number of divisors (τ(n )) divided by the sum of the reciprocal of each divisors
The number 490947891 can be divided by 4 positive divisors.
The sum of these divisors (counting 490947891) is 1, the average is 0.25.
Base
System
Value
2
Binary
11101010000110100010100110011
3
Ternary
1021012210201220020
4
Quaternary
131100310110303
5
Quinary
2001140313031
6
Senary
120414414523
8
Octal
3520642463
10
Decimal
490947891
12
Duodecimal
118501443
16
Hexadecimal
1d434533
20
Vigesimal
7d889eb
36
Base36
84aptf
md5
49b81094fc8b2fd34d14101362da8451
sha1
d6dbd0337635e2358f0bd555dee792a8de028106
sha256
fcf003c158d3479ff44fb5f4f15224f8e4b3631a12c90bfdbf47ba9bc8f8ed0c
sha512
436ba88b14be4a1c536e9a4801e2d031b863ff25603208de4c25e4471e86c53d23d70388f0986c3c97e6d2ce3bd23ff838cad8c9ad805faa31393e3ee9ad90e4
ripemd-160
a5689c09ff9981b00a16246a8a604ae3f01b7b95
Diameter
981895782
Circumference
3084716575.322
Area
7.5721754849354E+17
Volume
4.9567247794813E+26
Surface area
3.0288701939742E+18
Circumference
3084716575.322
Perimeter
1963791564
Area
241029831677347881
Diagonal
694305165.87067
Surface area
1446178990064087286
Volume
1.1833308753008E+26
Space diagonal
850346691.08079
Perimeter
1472843673
Area
1.0436897865124E+17
Altitude
425173345.54039
Surface area
1.0436897865124E+17
Volume
1.394568810521E+25
Height
231435055.29022