1661564841 is an odd 10-digits composite number following 1661564840
and preceding 1661564842 . In scientific notation, it is written as 1.661564841 × 10^9.
The sum of its digits is 42. It has a total of 3 prime factors and 8 positive divisors.
There are 1107584640 positive integers (up to 1661564841) that are relatively prime to 1661564841.
1661564841 has 8 divisors, whose sum is 2215670304
The reverse of 1661564841 is 1484651661
Previous prime number is 10657
Is Prime? no
Number parity odd
Number length 10
Sum of Digits 42
Digital Root 6
Name
one billion six hundred sixty-one million five hundred sixty-four thousand eight hundred forty-one
Scientific notation
1.661564841 × 10^9
Engineering notation
1.661564841 × 10^9
Prime Factorization
3 × 10657 × 51971
Composite number
ω
Distinct Factors
3
Total number of distinct prime factors
Ω
Total Factors
3
Total number of prime factors
rad
Radical
1661564841
Product of the distinct prime numbers
The prime factorization of 1661564841 is 3 × 10657 × 51971.
Since it has a total of 3 prime factors.
4 , 3 , 17 , 48 , 369 , 93 , 1275 , 8668 , 51756 , 2751 , 865687 , 238393 , 8339013 , 8078532 , 76411989 , 4703169 , 999706900 , 674785327 , 3005504282 , 7042616095
n×2
3323129682
n×3
4984694523
n×4
6646259364
n×5
8307824205
n÷2
830782420.5
n÷3
553854947
n÷3
415391210.25
n÷5
332312968.2
n2
2760797720847355281
n3
4.5872444260729E+27
n4
7.622004055436E+36
n5
1.2664453956472E+46
2 √n
40762.296807221
3 √n
1184.4200883423
4 √n
201.89674788669
5 √n
69.839875865377
8 divisors
τ
Total Divisors
8
Total number of the positive divisors of n
σ
Sum of Divisors
1
Sum of all the positive divisors of n
s
Aliquot Sum
-1661564840
Sum of the proper positive divisors of n
A
Arithmetic Mean
0.125
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
8
Returns the total number of divisors (τ(n )) divided by the sum of the reciprocal of each divisors
The number 1661564841 can be divided by 8 positive divisors.
The sum of these divisors (counting 1661564841) is 1, the average is 0.125.
Base
System
Value
2
Binary
1100011000010010111011110101001
3
Ternary
11021210112020110120
4
Quaternary
1203002113132221
5
Quinary
11400330033331
6
Senary
432513033453
8
Octal
14302273651
10
Decimal
1661564841
12
Duodecimal
3a4555889
16
Hexadecimal
630977a9
20
Vigesimal
15j4fc21
36
Base36
rh93mx
md5
1ebdd2175ccdfcaf35fe50ecd73f63a7
sha1
d2df0d647726bcff518c8cb57e422d7e377cbcae
sha256
22516499bdb7bfdc14bc82d3dc676607dec6a717006e14f2452f3063ecd3ade3
sha512
8afeb6f2736fdf13210d6dd03d52ed5d9bb89502ea3f831b8add0da1bb44fcd2bc2297de48c96b5c298ebe6a1372789d646d72da489b3b7b8bffe3d681682a29
ripemd-160
9013fdb0b17a016c266e94af01e324914fd95616
Diameter
3323129682
Circumference
10439919795.897
Area
8.6733018378615E+18
Volume
1.9215004518895E+28
Surface area
3.4693207351446E+19
Circumference
10439919795.897
Perimeter
6646259364
Area
2760797720847355281
Diagonal
2349807532.9045
Surface area
1.6564786325084E+19
Volume
4.5872444260729E+27
Space diagonal
2877914724.6821
Perimeter
4984694523
Area
1.195460480482E+18
Altitude
1438957362.3411
Surface area
1.195460480482E+18
Volume
5.4061194010606E+26
Height
783269177.63483