1640809988 is an even 10-digits composite number following 1640809987
and preceding 1640809989 . In scientific notation, it is written as 1.640809988 × 10^9.
The sum of its digits is 53. It has a total of 3 prime factors and 6 positive divisors.
There are 820404992 positive integers (up to 1640809988) that are relatively prime to 1640809988.
1640809988 has 6 divisors, whose sum is 2871417486
The reverse of 1640809988 is 8899080461
Previous prime number is 2
Is Prime? no
Number parity even
Number length 10
Sum of Digits 53
Digital Root 8
Name
one billion six hundred forty million eight hundred nine thousand nine hundred eighty-eight
Scientific notation
1.640809988 × 10^9
Engineering notation
1.640809988 × 10^9
Prime Factorization
2 × 2 × 410202497
Composite number
ω
Distinct Factors
2
Total number of distinct prime factors
Ω
Total Factors
3
Total number of prime factors
rad
Radical
820404994
Product of the distinct prime numbers
The prime factorization of 1640809988 is 2 × 2 × 410202497.
Since it has a total of 3 prime factors.
4 , 4 , 34 , 24 , 236 , 778 , 7662 , 3681 , 40563 , 95105 , 862444 , 680659 , 17604 , 8138346 , 63902384 , 69816520 , 105714661 , 228996807 , 1555105254 , 4040195115
n×2
3281619976
n×3
4922429964
n×4
6563239952
n×5
8204049940
n÷2
820404994
n÷3
546936662.66667
n÷3
410202497
n÷5
328161997.6
n2
2692257416720560144
n3
4.4174828596222E+27
n4
7.2482499978869E+36
n5
1.1893000992054E+46
2 √n
40506.912842131
3 √n
1179.4678218842
4 √n
201.26329233651
5 √n
69.664521460925
6 divisors
τ
Total Divisors
6
Total number of the positive divisors of n
σ
Sum of Divisors
1
Sum of all the positive divisors of n
s
Aliquot Sum
-1640809987
Sum of the proper positive divisors of n
A
Arithmetic Mean
0.16666666666667
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
6
Returns the total number of divisors (τ(n )) divided by the sum of the reciprocal of each divisors
The number 1640809988 can be divided by 6 positive divisors.
The sum of these divisors (counting 1640809988) is 1, the average is 0.16666666666667.
Base
System
Value
2
Binary
1100001110011001100011000000100
3
Ternary
11020100110210011022
4
Quaternary
1201303030120010
5
Quinary
11330021404423
6
Senary
430452130312
8
Octal
14163143004
10
Decimal
1640809988
12
Duodecimal
399606998
16
Hexadecimal
61ccc604
20
Vigesimal
15cf14j8
36
Base36
r4w938
md5
b8dfae427bcb56ba36764689f7ce5d11
sha1
38dccb282a37dbfad1e3f5367c12ad2de0930a87
sha256
60d0633ea958818a81f0d998670ffd0c5e3633d48a55d6a8a61076f76e136ce9
sha512
186805b565b338bff1f510b368a460a351b8e08282737d651ec52efae3ca36d6379c2f7c933e98582ccdb66b3aea4f622eff062b735f655a8d729e174dcd0e7f
ripemd-160
30cef6aed2a1c7a13540e37b6c957230389fc157
Diameter
3281619976
Circumference
10309513208.475
Area
8.4579761219419E+18
Volume
1.8503908932197E+28
Surface area
3.3831904487768E+19
Circumference
10309513208.475
Perimeter
6563239952
Area
2692257416720560144
Diagonal
2320455738.3068
Surface area
1.6153544500323E+19
Volume
4.4174828596222E+27
Space diagonal
2841966264.7825
Perimeter
4922429964
Area
1.1657816582035E+18
Altitude
1420983132.3912
Surface area
1.1657816582035E+18
Volume
5.206053476357E+26
Height
773485246.10228