1661523961 is an odd 10-digits composite number following 1661523960
and preceding 1661523962 . In scientific notation, it is written as 1.661523961 × 10^9.
The sum of its digits is 40. It has a total of 4 prime factors and 16 positive divisors.
There are 1593077760 positive integers (up to 1661523961) that are relatively prime to 1661523961.
1661523961 has 16 divisors, whose sum is 1731436560
The reverse of 1661523961 is 1693251661
Previous prime number is 269
Is Prime? no
Number parity odd
Number length 10
Sum of Digits 40
Digital Root 4
Name
one billion six hundred sixty-one million five hundred twenty-three thousand nine hundred sixty-one
Scientific notation
1.661523961 × 10^9
Engineering notation
1.661523961 × 10^9
Prime Factorization
37 × 97 × 269 × 1721
Composite number
ω
Distinct Factors
4
Total number of distinct prime factors
Ω
Total Factors
4
Total number of prime factors
rad
Radical
1661523961
Product of the distinct prime numbers
The prime factorization of 1661523961 is 37 × 97 × 269 × 1721.
Since it has a total of 4 prime factors.
6 , 7 , 99 , 7 , 622 , 101 , 8810 , 2438 , 83250 , 64074 , 485219 , 171664 , 9504656 , 8218978 , 87821587 , 40751492 , 269217033 , 947742298 , 8246282234 , 1094909732
n×2
3323047922
n×3
4984571883
n×4
6646095844
n×5
8307619805
n÷2
830761980.5
n÷3
553841320.33333
n÷3
415380990.25
n÷5
332304792.2
n2
2760661872977129521
n3
4.5869058501706E+27
n4
7.6212539769096E+36
n5
1.2662896095502E+46
2 √n
40761.795360362
3 √n
1184.4103747099
4 √n
201.89550604301
5 √n
69.839532203528
1 , 37 , 97 , 269 , 1721 , 3589 , 9953 , 26093 , 63677 , 166937 , 462949 , 965441 , 6176669 , 17129113 , 44906053 , 1661523961
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
-1661523960
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 1661523961 can be divided by 16 positive divisors.
The sum of these divisors (counting 1661523961) is 1, the average is 0.0625.
Base
System
Value
2
Binary
1100011000010001101011111111001
3
Ternary
11021210110011101111
4
Quaternary
1203002031133321
5
Quinary
11400322231321
6
Senary
432512120321
8
Octal
14302153771
10
Decimal
1661523961
12
Duodecimal
3a45360a1
16
Hexadecimal
6308d7f9
20
Vigesimal
15j4a9i1
36
Base36
rh883d
md5
b1fc357fe8af46bab991d304429e5e0c
sha1
7ef140727b92d92461ea1bbe491e591e95c5ceb4
sha256
23ca764daca3459763c48c80f69b90bfb8417996e8140a3d97da5a7982e53ab4
sha512
d5343a469e3e559f5b76ebdfa7c085e584d51cd187d2cb2a897a698f18910675a994a513c7a8897ac70b4a5ea20452278f44086f187ff360078a19f3d155fec9
ripemd-160
6c561875985c9e1fc31daff1e7b7b97c1135e71a
Diameter
3323047922
Circumference
10439662939.282
Area
8.6728750591904E+18
Volume
1.9213586295472E+28
Surface area
3.4691500236762E+19
Circumference
10439662939.282
Perimeter
6646095844
Area
2760661872977129521
Diagonal
2349749719.8541
Surface area
1.6563971237863E+19
Volume
4.5869058501706E+27
Space diagonal
2877843918.4451
Perimeter
4984571883
Area
1.1954016566287E+18
Altitude
1438921959.2225
Surface area
1.1954016566287E+18
Volume
5.4057203855332E+26
Height
783249906.61802