1661362561 is an odd 10-digits composite number following 1661362560
and preceding 1661362562 . In scientific notation, it is written as 1.661362561 × 10^9.
The sum of its digits is 37. It has a total of 2 prime factors and 4 positive divisors.
There are 1655186224 positive integers (up to 1661362561) that are relatively prime to 1661362561.
1661362561 has 4 divisors, whose sum is 1667538900
The reverse of 1661362561 is 1652631661
Previous prime number is 269
Is Prime? no
Number parity odd
Number length 10
Sum of Digits 37
Digital Root 1
Name
one billion six hundred sixty-one million three hundred sixty-two thousand five hundred sixty-one
Scientific notation
1.661362561 × 10^9
Engineering notation
1.661362561 × 10^9
Prime Factorization
269 × 6176069
Composite number
ω
Distinct Factors
2
Total number of distinct prime factors
Ω
Total Factors
2
Total number of prime factors
rad
Radical
1661362561
Product of the distinct prime numbers
The prime factorization of 1661362561 is 269 × 6176069.
Since it has a total of 2 prime factors.
1 , 10 , 52 , 74 , 889 , 953 , 521 , 7909 , 46099 , 2514 , 434929 , 634089 , 8952014 , 4360050 , 38323501 , 79230423 , 86969246 , 537715656 , 303722120 , 3301216579
n×2
3322725122
n×3
4984087683
n×4
6645450244
n×5
8306812805
n÷2
830681280.5
n÷3
553787520.33333
n÷3
415340640.25
n÷5
332272512.2
n2
2760125559092478721
n3
4.5855692675354E+27
n4
7.6182931019556E+36
n5
1.2656746938314E+46
2 √n
40759.815517247
3 √n
1184.372022364
4 √n
201.89060284532
5 √n
69.838175312051
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
-1661362560
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 1661362561 can be divided by 4 positive divisors.
The sum of these divisors (counting 1661362561) is 1, the average is 0.25.
Base
System
Value
2
Binary
1100011000001100110000110000001
3
Ternary
11021210010221222201
4
Quaternary
1203001212012001
5
Quinary
11400302100221
6
Senary
432504433201
8
Octal
14301460601
10
Decimal
1661362561
12
Duodecimal
3a4478801
16
Hexadecimal
63066181
20
Vigesimal
15j3a681
36
Base36
rh4rk1
md5
6abc3465b6da2b8cb883a48a745557fb
sha1
1770070cc47c3aad4ee7bd61cb140c641f08cb31
sha256
27b135c7e21aa8f1326adaa6524eb70d5e8439ccfafe3a22e0138fa440d63e17
sha512
62cf031773d3f36933bdade3173cfdb5b0f6bac4ed9bf04f1293365692abaaafd09b69024eaa093d94a9c84e0cd74494c400b4b30444e8b713efd1333766173f
ripemd-160
273b143beb39d5e17d44c932f58238d7c8962415
Diameter
3322725122
Circumference
10438648833.173
Area
8.6711901794304E+18
Volume
1.9207987631222E+28
Surface area
3.4684760717721E+19
Circumference
10438648833.173
Perimeter
6645450244
Area
2760125559092478721
Diagonal
2349521465.7851
Surface area
1.6560753354555E+19
Volume
4.5855692675354E+27
Space diagonal
2877564365.4447
Perimeter
4984087683
Area
1.1951694259044E+18
Altitude
1438782182.7224
Surface area
1.1951694259044E+18
Volume
5.4041452077916E+26
Height
783173821.92837