1661444984 is an even 10-digits composite number following 1661444983
and preceding 1661444985 . In scientific notation, it is written as 1.661444984 × 10^9.
The sum of its digits is 47. It has a total of 4 prime factors and 8 positive divisors.
There are 830722488 positive integers (up to 1661444984) that are relatively prime to 1661444984.
1661444984 has 8 divisors, whose sum is 3115209360
The reverse of 1661444984 is 4894441661
Previous prime number is 2
Is Prime? no
Number parity even
Number length 10
Sum of Digits 47
Digital Root 2
Name
one billion six hundred sixty-one million four hundred forty-four thousand nine hundred eighty-four
Scientific notation
1.661444984 × 10^9
Engineering notation
1.661444984 × 10^9
Prime Factorization
2 × 2 × 2 × 207680623
Composite number
ω
Distinct Factors
2
Total number of distinct prime factors
Ω
Total Factors
4
Total number of prime factors
rad
Radical
415361246
Product of the distinct prime numbers
The prime factorization of 1661444984 is 2 × 2 × 2 × 207680623.
Since it has a total of 4 prime factors.
3 , 4 , 47 , 88 , 296 , 670 , 523 , 5775 , 84024 , 61253 , 463656 , 452128 , 1571059 , 6727244 , 47142458 , 64562222 , 856828761 , 282575397 , 8672010259 , 8049047730
n×2
3322889968
n×3
4984334952
n×4
6645779936
n×5
8307224920
n÷2
830722492
n÷3
553814994.66667
n÷3
415361246
n÷5
332288996.8
n2
2760399434858760256
n3
4.5862517948825E+27
n4
7.6198050399686E+36
n5
1.2659886862714E+46
2 √n
40760.826586319
3 √n
1184.3916082716
4 √n
201.8931068321
5 √n
69.838868256244
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
-1661444983
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 1661444984 can be divided by 8 positive divisors.
The sum of these divisors (counting 1661444984) is 1, the average is 0.125.
Base
System
Value
2
Binary
1100011000001111010001101111000
3
Ternary
11021210022011001102
4
Quaternary
1203001322031320
5
Quinary
11400312214414
6
Senary
432510310532
8
Octal
14301721570
10
Decimal
1661444984
12
Duodecimal
3a44b8448
16
Hexadecimal
6307a378
20
Vigesimal
15j40c94
36
Base36
rh6j5k
md5
4d438f33e6bbdbe08cef5dad56b59289
sha1
289826d96b26cca39e3e52fdc7abc1568993b3ba
sha256
fe3c66993e2fdd7dce34f5209c3e90eca354bed92ec72e53dba55f67063294c9
sha512
6a1ba93c20a00e541ded5425033906133d34312bf26c32ac95ddcc27b4542b3227c997c32243b7314951e850d6a43e1dbc21c8ac2737f58f4f3b10593ddb5e41
ripemd-160
6ec15aca7b1a2a2dd5c05479e59037442dda513a
Diameter
3322889968
Circumference
10439166712.156
Area
8.6720505855257E+18
Volume
1.9210846595088E+28
Surface area
3.4688202342103E+19
Circumference
10439166712.156
Perimeter
6645779936
Area
2760399434858760256
Diagonal
2349638029.5096
Surface area
1.6562396609153E+19
Volume
4.5862517948825E+27
Space diagonal
2877707126.2685
Perimeter
4984334952
Area
1.1952880175899E+18
Altitude
1438853563.1342
Surface area
1.1952880175899E+18
Volume
5.404949573984E+26
Height
783212676.50318