1639441981 is an odd 10-digits composite number following 1639441980
and preceding 1639441982 . In scientific notation, it is written as 1.639441981 × 10^9.
The sum of its digits is 46. It has a total of 2 prime factors and 4 positive divisors.
There are 1634576832 positive integers (up to 1639441981) that are relatively prime to 1639441981.
1639441981 has 4 divisors, whose sum is 1644307132
The reverse of 1639441981 is 1891449361
Previous prime number is 337
Is Prime? no
Number parity odd
Number length 10
Sum of Digits 46
Digital Root 1
Name
one billion six hundred thirty-nine million four hundred forty-one thousand nine hundred eighty-one
Scientific notation
1.639441981 × 10^9
Engineering notation
1.639441981 × 10^9
Prime Factorization
337 × 4864813
Composite number
ω
Distinct Factors
2
Total number of distinct prime factors
Ω
Total Factors
2
Total number of prime factors
rad
Radical
1639441981
Product of the distinct prime numbers
The prime factorization of 1639441981 is 337 × 4864813.
Since it has a total of 2 prime factors.
2 , 4 , 82 , 37 , 256 , 956 , 9472 , 306 , 86104 , 78373 , 299059 , 590837 , 5111293 , 9420097 , 5196345 , 67203597 , 966818378 , 734771978 , 9962410186 , 763132012
n×2
3278883962
n×3
4918325943
n×4
6557767924
n×5
8197209905
n÷2
819720990.5
n÷3
546480660.33333
n÷3
409860495.25
n÷5
327888396.2
n2
2687770009065204361
n3
4.4064429881342E+27
n4
7.2241076216304E+36
n5
1.1843505310163E+46
2 √n
40490.023227951
3 √n
1179.1399413711
4 √n
201.22132895881
5 √n
69.652901181641
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
-1639441980
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 1639441981 can be divided by 4 positive divisors.
The sum of these divisors (counting 1639441981) is 1, the average is 0.25.
Base
System
Value
2
Binary
1100001101101111110011000111101
3
Ternary
11020020220021121101
4
Quaternary
1201231332120331
5
Quinary
11324144120411
6
Senary
430402533101
8
Octal
14155763075
10
Decimal
1639441981
12
Duodecimal
399067191
16
Hexadecimal
61b7e63d
20
Vigesimal
15c6a4j1
36
Base36
r42xj1
md5
5e97e38b9f764a94dc8610ac158c92ce
sha1
c14e8e2b748f9745ecf7618c41847a17347e0576
sha256
3943bbb3abec20c40c229aeddbe3d6344df37114cf153f89ffb6d8c748e46dc9
sha512
bef22c88d22314589142b6df4c238f4ff9e06b825f93ca0c1ebe8c65f3d910a203dcebde43ae3c7a8a27081195d4ee77b6c89a865110a68190b954afe21f05e3
ripemd-160
fb28cb7326d40b9dfcb4e39c4c301a18b22d91d9
Diameter
3278883962
Circumference
10300917766.993
Area
8.4438785150182E+18
Volume
1.8457665226646E+28
Surface area
3.3775514060073E+19
Circumference
10300917766.993
Perimeter
6557767924
Area
2687770009065204361
Diagonal
2318521084.254
Surface area
1.6126620054391E+19
Volume
4.4064429881342E+27
Space diagonal
2839596807.1534
Perimeter
4918325943
Area
1.1638385536902E+18
Altitude
1419798403.5767
Surface area
1.1638385536902E+18
Volume
5.1930428630361E+26
Height
772840361.418