1640479981 is an odd 10-digits composite number following 1640479980
and preceding 1640479982 . In scientific notation, it is written as 1.640479981 × 10^9.
The sum of its digits is 49. It has a total of 3 prime factors and 8 positive divisors.
There are 1401543648 positive integers (up to 1640479981) that are relatively prime to 1640479981.
1640479981 has 8 divisors, whose sum is 1880943680
The reverse of 1640479981 is 1899740461
Previous prime number is 307
Is Prime? no Number parity odd Number length 10 Sum of Digits 49 Digital Root 4
Name
one billion six hundred forty million four hundred seventy-nine thousand nine hundred eighty-one
Scientific notation
1.640479981 × 10^9
Engineering notation
1.640479981 × 10^9
Prime Factorization
7 × 307 × 763369
Composite number
ω Distinct Factors
3 Total number of distinct prime factors
Ω Total Factors
3 Total number of prime factors
rad Radical
1640479981 Product of the distinct prime numbers
The prime factorization of 1640479981 is 7 × 307 × 763369.
Since it has a total of 3 prime factors.
1 , 7 , 69 , 49 , 463 , 363 , 2422 , 7940 , 5806 , 95115 , 47897 , 595906 , 9337806 , 406418 , 55144427 , 51319179 , 104319226 , 427065090 , 4711578825 , 5395068163
n×2
3280959962
n×3
4921439943
n×4
6561919924
n×5
8202399905
n÷2
820239990.5
n÷3
546826660.33333
n÷3
410119995.25
n÷5
328095996.2
n2
2691174568061760361
n3
4.4148180042816E+27
n4
7.2424205557824E+36
n5
1.1881045935744E+46
2 √n40502.839172088
3 √n1179.3887433116
4 √n201.25317183112
5 √n69.661718987799
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
-1640479980 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 1640479981 can be divided by 8 positive divisors.
The sum of these divisors (counting 1640479981) is 1, the average is 0.125.
Base
System
Value
2
Binary
1100001110001111011110011101101
3
Ternary
11020022212000110211
4
Quaternary
1201301323303231
5
Quinary
11324430324411
6
Senary
430441102421
8
Octal
14161736355
10
Decimal
1640479981
12
Duodecimal
399487a11
16
Hexadecimal
61c7bced
20
Vigesimal
15ccjjj1
36
Base36
r4p6gd
md5
c162a95fa47b1c747778edbbcc7d7099
sha1
88c3f801bbbe2d6371d39cceac8e2b3a45dd11f3
sha256
c25641b12abd9aa8e727b665d5821795d8f69f1cf1359bf50887768af062ec78
sha512
d2bea0d6fc350e42aff030ef8685c91f343db02e5a35cf2fc9e669a7d1bfc8d356262231587979f8745eee8242d680b16065a8b04cffd598d7760ec0d77ce0b8
ripemd-160
035913b22b66562d64b331934a0c997ef82b2323
Diameter
3280959962
Circumference
10307439713.341
Area
8.4545742525505E+18
Volume
1.849274641225E+28
Surface area
3.3818297010202E+19
Circumference
10307439713.341
Perimeter
6561919924
Area
2691174568061760361
Diagonal
2319989037.9318
Surface area
1.6147047408371E+19
Volume
4.4148180042816E+27
Space diagonal
2841394675.8916
Perimeter
4921439943
Area
1.16531277098E+18
Altitude
1420697337.9458
Surface area
1.16531277098E+18
Volume
5.20291291422E+26
Height
773329679.31059