1661505894 is an even 10-digits composite number following 1661505893
and preceding 1661505895 . In scientific notation, it is written as 1.661505894 × 10^9.
The sum of its digits is 45. It has a total of 5 prime factors and 24 positive divisors.
There are 539291520 positive integers (up to 1661505894) that are relatively prime to 1661505894.
1661505894 has 24 divisors, whose sum is 3601044720
The reverse of 1661505894 is 4985051661
Previous prime number is 24887
Is Prime? no
Number parity even
Number length 10
Sum of Digits 45
Digital Root 9
Name
one billion six hundred sixty-one million five hundred five thousand eight hundred ninety-four
Scientific notation
1.661505894 × 10^9
Engineering notation
1.661505894 × 10^9
Prime Factorization
2 × 3 × 3 × 24887 × 3709
Composite number
ω
Distinct Factors
4
Total number of distinct prime factors
Ω
Total Factors
5
Total number of prime factors
rad
Radical
553835298
Product of the distinct prime numbers
The prime factorization of 1661505894 is 2 × 3 × 3 × 24887 × 3709.
Since it has a total of 5 prime factors.
4 , 10 , 61 , 83 , 569 , 711 , 9345 , 3366 , 86955 , 60535 , 4236 , 991744 , 4788780 , 5323994 , 17962416 , 50687427 , 16395753 , 403775220 , 9812955811 , 8281759573
n×2
3323011788
n×3
4984517682
n×4
6646023576
n×5
8307529470
n÷2
830752947
n÷3
553835298
n÷3
415376473.5
n÷5
332301178.8
n2
2760601835796739236
n3
4.5867562211635E+27
n4
7.6209224958043E+36
n5
1.2662207644496E+46
2 √n
40761.573742926
3 √n
1184.4060816993
4 √n
201.89495720034
5 √n
69.839380319313
1 , 2 , 3 , 6 , 9 , 18 , 3709 , 7418 , 11127 , 22254 , 24887 , 33381 , 49774 , 66762 , 74661 , 149322 , 223983 , 447966 , 92305883 , 184611766 , 276917649 , 553835298 , 830752947 , 1661505894
24 divisors
τ
Total Divisors
24
Total number of the positive divisors of n
σ
Sum of Divisors
1
Sum of all the positive divisors of n
s
Aliquot Sum
-1661505893
Sum of the proper positive divisors of n
A
Arithmetic Mean
0.041666666666667
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
24
Returns the total number of divisors (τ(n )) divided by the sum of the reciprocal of each divisors
The number 1661505894 can be divided by 24 positive divisors.
The sum of these divisors (counting 1661505894) is 1, the average is 0.041666666666667.
Base
System
Value
2
Binary
1100011000010001001000101100110
3
Ternary
11021210102020121100
4
Quaternary
1203002021011212
5
Quinary
11400321142034
6
Senary
432511500530
8
Octal
14302110546
10
Decimal
1661505894
12
Duodecimal
3a4527746
16
Hexadecimal
63089166
20
Vigesimal
15j484ee
36
Base36
rh7u5i
md5
1fd00612295e718f3a62b630d433a437
sha1
13df41025b56859ce74af2195655ff15adf87f6c
sha256
c04bf4bba488b160634e776d977f870cff8477cd024084985057fbb90fd2adc5
sha512
9d36e0047f2655d0a701da5b2309fb514edbb7c1548d3aa1410ff71b3af0911b43d0e84fba736a70b34d0adebd5163306ce02d8488f770976a267f780bf7dfec
ripemd-160
a229c6ed656cb7420cd36581b0aa0b8ec10a99a1
Diameter
3323011788
Circumference
10439549420.973
Area
8.6726864468255E+18
Volume
1.9212959530953E+28
Surface area
3.4690745787302E+19
Circumference
10439549420.973
Perimeter
6646023576
Area
2760601835796739236
Diagonal
2349724169.2576
Surface area
1.656361101478E+19
Volume
4.5867562211635E+27
Space diagonal
2877812625.4831
Perimeter
4984517682
Area
1.195375659767E+18
Altitude
1438906312.7416
Surface area
1.195375659767E+18
Volume
5.4055440460572E+26
Height
783241389.75254