1661560 is an even 7-digits composite number following 1661559
and preceding 1661561 . In scientific notation, it is written as 1.661560 × 10^6.
The sum of its digits is 25. It has a total of 5 prime factors and 16 positive divisors.
There are 664608 positive integers (up to 1661560) that are relatively prime to 1661560.
1661560 has 16 divisors, whose sum is 3738600
The reverse of 1661560 is 0651661
Previous prime number is 5
Is Prime? no
Number parity even
Number length 7
Sum of Digits 25
Digital Root 7
Name
one million six hundred sixty-one thousand five hundred sixty
Scientific notation
1.661560 × 10^6
Engineering notation
1.661560 × 10^6
Prime Factorization
2 × 2 × 2 × 5 × 41539
Composite number
ω
Distinct Factors
3
Total number of distinct prime factors
Ω
Total Factors
5
Total number of prime factors
rad
Radical
415390
Product of the distinct prime numbers
The prime factorization of 1661560 is 2 × 2 × 2 × 5 × 41539.
Since it has a total of 5 prime factors.
4 , 7 , 89 , 12 , 582 , 836 , 3425 , 4906 , 29482 , 68431 , 263103 , 988943 , 5295196 , 7693496 , 90300254 , 47514573 , 29810868 , 917361502 , 5599942817 , 4651890642
n×2
3323120
n×3
4984680
n×4
6646240
n×5
8307800
n÷2
830780
n÷3
553853.33333333
n÷3
415390
n÷5
332312
n2
2760781633600
n3
4587204331124416000
n4
7.6219152284231E+24
n5
1.2664269466939E+31
2 √n
1289.0151279174
3 √n
118.44189380645
4 √n
35.902856821114
5 √n
17.542973434082
1 , 2 , 4 , 5 , 8 , 10 , 20 , 40 , 41539 , 83078 , 166156 , 207695 , 332312 , 415390 , 830780 , 1661560
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
-1661559
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 1661560 can be divided by 16 positive divisors.
The sum of these divisors (counting 1661560) is 1, the average is 0.0625.
Base
System
Value
2
Binary
110010101101001111000
3
Ternary
10010102020021
4
Quaternary
12111221320
5
Quinary
411132220
6
Senary
55340224
8
Octal
6255170
10
Decimal
1661560
12
Duodecimal
681674
16
Hexadecimal
195a78
20
Vigesimal
a7di0
36
Base36
zm2g
md5
76a2cb684b08e5f5868d7ca0c5604406
sha1
a6812846226a5daa82d981fb12749c6ed5a292e5
sha256
8b5487c80847b99086a72ea88755c2d0da07d645fcf56b7f0e26e9d23baa542c
sha512
4a3111471d860a769f3b5bea190e58c228dc5a915716527fbde40e7a65274e437790bbc84602e3525590a67d8407cf12bc1ee724ee2dff392b7237be11fbe08d
ripemd-160
40cea8ac7003a5533988940bb87470c1063c8e26
Diameter
3323120
Circumference
10439889.378997
Area
8673251298283.4
Volume
1.9214836569568E+19
Surface area
34693005193134
Circumference
10439889.378997
Perimeter
6646240
Area
2760781633600
Diagonal
2349800.6866966
Surface area
16564689801600
Volume
4587204331124416000
Space diagonal
2877906.3398241
Perimeter
4984680
Area
1195453514499.6
Altitude
1438953.1699121
Surface area
1195453514499.6
Volume
5.4060721487106E+17
Height
783266.89556555