661569490 is an even 9-digits composite number following 661569489
and preceding 661569491 . In scientific notation, it is written as 6.61569490 × 10^8.
The sum of its digits is 46. It has a total of 4 prime factors and 16 positive divisors.
There are 263791744 positive integers (up to 661569490) that are relatively prime to 661569490.
661569490 has 16 divisors, whose sum is 1194587352
The reverse of 661569490 is 094965166
Previous prime number is 317
Is Prime? no
Number parity even
Number length 9
Sum of Digits 46
Digital Root 1
Name
six hundred sixty-one million five hundred sixty-nine thousand four hundred ninety
Scientific notation
6.61569490 × 10^8
Engineering notation
6.61569490 × 10^6
Prime Factorization
2 × 5 × 317 × 208697
Composite number
ω
Distinct Factors
4
Total number of distinct prime factors
Ω
Total Factors
4
Total number of prime factors
rad
Radical
661569490
Product of the distinct prime numbers
The prime factorization of 661569490 is 2 × 5 × 317 × 208697.
Since it has a total of 4 prime factors.
8 , 4 , 12 , 19 , 953 , 706 , 3956 , 695 , 65026 , 14706 , 261187 , 742425 , 6476259 , 9599055 , 63754013 , 32922796 , 628689070 , 479549630 , 1233309011 , 3149504426
n×2
1323138980
n×3
1984708470
n×4
2646277960
n×5
3307847450
n÷2
330784745
n÷3
220523163.33333
n÷3
165392372.5
n÷5
132313898
n2
437674190098860100
n3
2.8955189072987E+26
n4
1.9155869667869E+35
n5
1.2672938926679E+44
2 √n
25720.993176781
3 √n
871.34836936086
4 √n
160.37765797261
5 √n
58.091834802911
1 , 2 , 5 , 10 , 317 , 634 , 1585 , 3170 , 208697 , 417394 , 1043485 , 2086970 , 66156949 , 132313898 , 330784745 , 661569490
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
-661569489
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 661569490 can be divided by 16 positive divisors.
The sum of these divisors (counting 661569490) is 1, the average is 0.0625.
Base
System
Value
2
Binary
100111011011101011111111010010
3
Ternary
1201002212012201201
4
Quaternary
213123223333102
5
Quinary
2323330210430
6
Senary
145351421414
8
Octal
4733537722
10
Decimal
661569490
12
Duodecimal
16568486a
16
Hexadecimal
276ebfd2
20
Vigesimal
a6eg3ea
36
Base36
axvqaa
md5
b13c163a2dae5016ee00e35d3b97ff6f
sha1
d2dd355bcc2dbcd375d0fac7fdd348f2ce98344d
sha256
66979cabee08d8cb7c473a782cc3a232f0e4cd503d6b2482a5e3e48c11e4c963
sha512
f57e2add0e7e3b04a5d8b1b3cd4692e93924312ad2c1a7e87f84979de3439838290d8918d5a3e7800f6d335b0fe969a31db24554cf2820e07f745dfd306b9580
ripemd-160
978a9b4c9d98c3deca081831a4a37ecaf3dc09bf
Diameter
1323138980
Circumference
4156763699.2463
Area
1.3749940202804E+18
Volume
1.2128721236666E+27
Surface area
5.4999760811218E+18
Circumference
4156763699.2463
Perimeter
2646277960
Area
437674190098860100
Diagonal
935600545.21025
Surface area
2626045140593160600
Volume
2.8955189072987E+26
Space diagonal
1145871969.4174
Perimeter
1984708470
Area
1.895184836032E+17
Altitude
572935984.70872
Surface area
1.895184836032E+17
Volume
3.4124017573412E+25
Height
311866848.40342