661569481 is an odd 9-digits composite number following 661569480
and preceding 661569482 . In scientific notation, it is written as 6.61569481 × 10^8.
The sum of its digits is 46. It has a total of 4 prime factors and 16 positive divisors.
There are 621590400 positive integers (up to 661569481) that are relatively prime to 661569481.
661569481 has 16 divisors, whose sum is 702955008
The reverse of 661569481 is 184965166
Previous prime number is 227
Is Prime? no
Number parity odd
Number length 9
Sum of Digits 46
Digital Root 1
Name
six hundred sixty-one million five hundred sixty-nine thousand four hundred eighty-one
Scientific notation
6.61569481 × 10^8
Engineering notation
6.61569481 × 10^6
Prime Factorization
31 × 41 × 227 × 2293
Composite number
ω
Distinct Factors
4
Total number of distinct prime factors
Ω
Total Factors
4
Total number of prime factors
rad
Radical
661569481
Product of the distinct prime numbers
The prime factorization of 661569481 is 31 × 41 × 227 × 2293.
Since it has a total of 4 prime factors.
10 , 1 , 93 , 26 , 287 , 121 , 6234 , 270 , 46329 , 69455 , 220650 , 928447 , 2497343 , 7156302 , 47341179 , 8557857 , 76038593 , 34079124 , 7393410075 , 6580946505
n×2
1323138962
n×3
1984708443
n×4
2646277924
n×5
3307847405
n÷2
330784740.5
n÷3
220523160.33333
n÷3
165392370.25
n÷5
132313896.2
n2
437674178190609361
n3
2.8955187891266E+26
n4
1.9155868625483E+35
n5
1.2672938064665E+44
2 √n
25720.993001826
3 √n
871.34836540958
4 √n
160.37765742717
5 √n
58.091834644854
1 , 31 , 41 , 227 , 1271 , 2293 , 7037 , 9307 , 71083 , 94013 , 288517 , 520511 , 2914403 , 16135841 , 21340951 , 661569481
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
-661569480
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 661569481 can be divided by 16 positive divisors.
The sum of these divisors (counting 661569481) is 1, the average is 0.0625.
Base
System
Value
2
Binary
100111011011101011111111001001
3
Ternary
1201002212012201101
4
Quaternary
213123223333021
5
Quinary
2323330210411
6
Senary
145351421401
8
Octal
4733537711
10
Decimal
661569481
12
Duodecimal
165684861
16
Hexadecimal
276ebfc9
20
Vigesimal
a6eg3e1
36
Base36
axvqa1
md5
74d9fed8732613328db5c0aac980aeac
sha1
8c57c43a762b27983fb12b0bfe3cc03515e628b0
sha256
0c3f0ae9dcf9447eb921709cd0436c67bfd8208b4207f70cf7616b05259f8b65
sha512
01f0eb2d494d8efa31428e5b77b0ed8c9f90f65769734eb505948aa6d57937896c73f04fc483a2b859e2a7496c9938a782c6ecca4619e7d5d0a035aa9f8a0c18
ripemd-160
17a6286356330580336d648a657a9d8888983791
Diameter
1323138962
Circumference
4156763642.6976
Area
1.3749939828696E+18
Volume
1.2128720741669E+27
Surface area
5.4999759314783E+18
Circumference
4156763642.6976
Perimeter
2646277924
Area
437674178190609361
Diagonal
935600532.48233
Surface area
2626045069143656166
Volume
2.8955187891266E+26
Space diagonal
1145871953.829
Perimeter
1984708443
Area
1.8951847844677E+17
Altitude
572935976.91449
Surface area
1.8951847844677E+17
Volume
3.4124016180742E+25
Height
311866844.16078