1661538601 is an odd 10-digits composite number following 1661538600
and preceding 1661538602 . In scientific notation, it is written as 1.661538601 × 10^9.
The sum of its digits is 37. It has a total of 2 prime factors and 4 positive divisors.
There are 1661144400 positive integers (up to 1661538601) that are relatively prime to 1661538601.
1661538601 has 4 divisors, whose sum is 1661932804
The reverse of 1661538601 is 1068351661
Previous prime number is 4261
Is Prime? no
Number parity odd
Number length 10
Sum of Digits 37
Digital Root 1
Name
one billion six hundred sixty-one million five hundred thirty-eight thousand six hundred one
Scientific notation
1.661538601 × 10^9
Engineering notation
1.661538601 × 10^9
Prime Factorization
4261 × 389941
Composite number
ω
Distinct Factors
2
Total number of distinct prime factors
Ω
Total Factors
2
Total number of prime factors
rad
Radical
1661538601
Product of the distinct prime numbers
The prime factorization of 1661538601 is 4261 × 389941.
Since it has a total of 2 prime factors.
5 , 2 , 9 , 2 , 440 , 659 , 6945 , 1346 , 685 , 46399 , 836191 , 90049 , 4526096 , 2882691 , 57278973 , 72119141 , 803490952 , 548150803 , 9135044540 , 50985043
n×2
3323077202
n×3
4984615803
n×4
6646154404
n×5
8307693005
n÷2
830769300.5
n÷3
553846200.33333
n÷3
415384650.25
n÷5
332307720.2
n2
2760710522613037201
n3
4.5870270995084E+27
n4
7.6215225896663E+36
n5
1.2663453981124E+46
2 √n
40761.974939887
3 √n
1184.4138533871
4 √n
201.89595077635
5 √n
69.839655276944
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
-1661538600
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 1661538601 can be divided by 4 positive divisors.
The sum of these divisors (counting 1661538601) is 1, the average is 0.25.
Base
System
Value
2
Binary
1100011000010010001000100101001
3
Ternary
11021210110220110201
4
Quaternary
1203002101010221
5
Quinary
11400323213401
6
Senary
432512312201
8
Octal
14302210451
10
Decimal
1661538601
12
Duodecimal
3a4542661
16
Hexadecimal
63091129
20
Vigesimal
15j4c6a1
36
Base36
rh8je1
md5
a3709a53a52feeca46f9fa0b2dffb7e7
sha1
919de6b2120fa05ba234b993116c5714b00caaa2
sha256
c03d6454119e2e65d50b1de7eaeb50ab6ae2ad317ce9c54fb291f8da5d07d3b8
sha512
e73f9e82092c7e7c948746e0e33a3da70923639ee389c5e8adf9ef942e17499fded7414f91073e68adfb34b5ada76694e329c179b11d1c2e604e17e4c4b4c5db
ripemd-160
592310e88607cf6a0acb533dedcf3cb8a3b6743d
Diameter
3323077202
Circumference
10439754925.115
Area
8.6730278965292E+18
Volume
1.9214094183511E+28
Surface area
3.4692111586117E+19
Circumference
10439754925.115
Perimeter
6646154404
Area
2760710522613037201
Diagonal
2349770423.9406
Surface area
1.6564263135678E+19
Volume
4.5870270995084E+27
Space diagonal
2877869275.6689
Perimeter
4984615803
Area
1.195422722539E+18
Altitude
1438934637.8345
Surface area
1.195422722539E+18
Volume
5.4058632792481E+26
Height
783256807.98021