1644964420 is an even 10-digits composite number following 1644964419
and preceding 1644964421 . In scientific notation, it is written as 1.644964420 × 10^9.
The sum of its digits is 40. It has a total of 5 prime factors and 24 positive divisors.
There are 598168800 positive integers (up to 1644964420) that are relatively prime to 1644964420.
1644964420 has 24 divisors, whose sum is 3768464448
The reverse of 1644964420 is 0244694461
Previous prime number is 11
Is Prime? no
Number parity even
Number length 10
Sum of Digits 40
Digital Root 4
Name
one billion six hundred forty-four million nine hundred sixty-four thousand four hundred twenty
Scientific notation
1.644964420 × 10^9
Engineering notation
1.644964420 × 10^9
Prime Factorization
2 × 2 × 5 × 11 × 7477111
Composite number
ω
Distinct Factors
4
Total number of distinct prime factors
Ω
Total Factors
5
Total number of prime factors
rad
Radical
822482210
Product of the distinct prime numbers
The prime factorization of 1644964420 is 2 × 2 × 5 × 11 × 7477111.
Since it has a total of 5 prime factors.
5 , 6 , 43 , 46 , 673 , 234 , 8080 , 1297 , 18259 , 42593 , 183249 , 665654 , 130930 , 1321919 , 81936714 , 19183521 , 121655638 , 949533339 , 3343500239 , 9975214592
n×2
3289928840
n×3
4934893260
n×4
6579857680
n×5
8224822100
n÷2
822482210
n÷3
548321473.33333
n÷3
411241105
n÷5
328992884
n2
2705907943065936400
n3
4.4511222901389E+27
n4
7.3219377963473E+36
n5
1.2044327160445E+46
2 √n
40558.160954363
3 √n
1180.4624300732
4 √n
201.39056818621
5 √n
69.699763061081
1 , 2 , 4 , 5 , 10 , 11 , 20 , 22 , 44 , 55 , 110 , 220 , 7477111 , 14954222 , 29908444 , 37385555 , 74771110 , 82248221 , 149542220 , 164496442 , 328992884 , 411241105 , 822482210 , 1644964420
24 divisors
τ
Total Divisors
24
Total number of the positive divisors of n
σ
Sum of Divisors
1
Sum of all the positive divisors of n
s
Aliquot Sum
-1644964419
Sum of the proper positive divisors of n
A
Arithmetic Mean
0.041666666666667
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
24
Returns the total number of divisors (τ(n )) divided by the sum of the reciprocal of each divisors
The number 1644964420 can be divided by 24 positive divisors.
The sum of these divisors (counting 1644964420) is 1, the average is 0.041666666666667.
Base
System
Value
2
Binary
1100010000011000010101001000100
3
Ternary
11020122021211222011
4
Quaternary
1202003002221010
5
Quinary
11332102330140
6
Senary
431121144004
8
Octal
14203025104
10
Decimal
1644964420
12
Duodecimal
39aa8b004
16
Hexadecimal
620c2a44
20
Vigesimal
15e10b10
36
Base36
r7dao4
md5
caee7c36ac188d30286766150a753bab
sha1
c16c45c36e3b9d7777e1e0a27dd61f8a52fb1c24
sha256
4de90fe9b22f8bfc1f867fa733559791b7ccd15a9a7c186ec65963c9eb6a0d6f
sha512
2b7a4254cca384bce5323243699b41e9bad942b22a3421b9cde75cc4befce3477e68798279cf40c4e3fccaa57ed2925f2b97a8ca05320ad6493294bdd53f3855
ripemd-160
3d34687db9746bbc2b283e733869ea2da34aad13
Diameter
3289928840
Circumference
10335616274.577
Area
8.5008605152262E+18
Volume
1.864481744924E+28
Surface area
3.4003442060905E+19
Circumference
10335616274.577
Perimeter
6579857680
Area
2705907943065936400
Diagonal
2326330992.3852
Surface area
1.6235447658396E+19
Volume
4.4511222901389E+27
Space diagonal
2849161952.0831
Perimeter
4934893260
Area
1.1716925094986E+18
Altitude
1424580976.0415
Surface area
1.1716925094986E+18
Volume
5.245697925413E+26
Height
775443664.1284