1639946989 is an odd 10-digits composite number following 1639946988
and preceding 1639946990 . In scientific notation, it is written as 1.639946989 × 10^9.
The sum of its digits is 64. It has a total of 2 prime factors and 4 positive divisors.
There are 1568644924 positive integers (up to 1639946989) that are relatively prime to 1639946989.
1639946989 has 4 divisors, whose sum is 1711249056
The reverse of 1639946989 is 9896499361
Previous prime number is 23
Is Prime? no
Number parity odd
Number length 10
Sum of Digits 64
Digital Root 1
Name
one billion six hundred thirty-nine million nine hundred forty-six thousand nine hundred eighty-nine
Scientific notation
1.639946989 × 10^9
Engineering notation
1.639946989 × 10^9
Prime Factorization
23 × 71302043
Composite number
ω
Distinct Factors
2
Total number of distinct prime factors
Ω
Total Factors
2
Total number of prime factors
rad
Radical
1639946989
Product of the distinct prime numbers
The prime factorization of 1639946989 is 23 × 71302043.
Since it has a total of 2 prime factors.
2 , 10 , 69 , 7 , 976 , 883 , 3452 , 7152 , 20497 , 75723 , 124286 , 342933 , 1241968 , 185943 , 39670049 , 98903628 , 628518917 , 662874131 , 6319853353 , 35842788
n×2
3279893978
n×3
4919840967
n×4
6559787956
n×5
8199734945
n÷2
819973494.5
n÷3
546648996.33333
n÷3
409986747.25
n÷5
327989397.8
n2
2689426126730166121
n3
4.4105162786691E+27
n4
7.2330128911388E+36
n5
1.1861757712221E+46
2 √n
40496.258950673
3 √n
1179.2610016623
4 √n
201.23682304855
5 √n
69.657191780445
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
-1639946988
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 1639946989 can be divided by 4 positive divisors.
The sum of these divisors (counting 1639946989) is 1, the average is 0.25.
Base
System
Value
2
Binary
1100001101111111001101011101101
3
Ternary
11020021211221100101
4
Quaternary
1201233321223231
5
Quinary
11324311300424
6
Senary
430421431101
8
Octal
14157715355
10
Decimal
1639946989
12
Duodecimal
39926b491
16
Hexadecimal
61bf9aed
20
Vigesimal
15c9d799
36
Base36
r4dr71
md5
98d81bc48063a1297623b62ed96a2d61
sha1
0f29312513a68d48a6d34495c733d14466269615
sha256
2111685d6d3e53d5852662ac24c58cbe3a8dee168009638e150d547b554f409e
sha512
c3d1a0b2c3219376efe8175a73c0477562f10d8b08c80255bcc38cb53f5c98bb724d8291603c2efde65303940d6c8cf0dfb30b0e4c2f7cca8d82d694f8e12c18
ripemd-160
78566bb562452803959b558541dcc6f9f7ae5138
Diameter
3279893978
Circumference
10304090825.838
Area
8.4490813621079E+18
Volume
1.847472738614E+28
Surface area
3.3796325448432E+19
Circumference
10304090825.838
Perimeter
6559787956
Area
2689426126730166121
Diagonal
2319235273.4167
Surface area
1.6136556760381E+19
Volume
4.4105162786691E+27
Space diagonal
2840471506.6676
Perimeter
4919840967
Area
1.164555673675E+18
Altitude
1420235753.3338
Surface area
1.164555673675E+18
Volume
5.1978432819676E+26
Height
773078424.47224