644408001 is an odd 9-digits composite number following 644408000
and preceding 644408002 . In scientific notation, it is written as 6.44408001 × 10^8.
The sum of its digits is 27. It has a total of 5 prime factors and 16 positive divisors.
There are 404334144 positive integers (up to 644408001) that are relatively prime to 644408001.
644408001 has 16 divisors, whose sum is 1010836800
The reverse of 644408001 is 100804446
Previous prime number is 17
Is Prime? no
Number parity odd
Number length 9
Sum of Digits 27
Digital Root 9
Name
six hundred forty-four million four hundred eight thousand one
Scientific notation
6.44408001 × 10^8
Engineering notation
6.44408001 × 10^6
Prime Factorization
3 × 3 × 3 × 17 × 1403939
Composite number
ω
Distinct Factors
3
Total number of distinct prime factors
Ω
Total Factors
5
Total number of prime factors
rad
Radical
71600889
Product of the distinct prime numbers
The prime factorization of 644408001 is 3 × 3 × 3 × 17 × 1403939.
Since it has a total of 5 prime factors.
4 , 9 , 94 , 68 , 464 , 384 , 9470 , 2260 , 33631 , 26834 , 50150 , 953555 , 398526 , 8593508 , 74776657 , 70306295 , 279739294 , 139641124 , 4256038167 , 8091885320
n×2
1288816002
n×3
1933224003
n×4
2577632004
n×5
3222040005
n÷2
322204000.5
n÷3
214802667
n÷3
161102000.25
n÷5
128881600.2
n2
415261671752816001
n3
2.6759794378615E+26
n4
1.7244225602694E+35
n5
1.1112316949425E+44
2 √n
25385.192553928
3 √n
863.74784066959
4 √n
159.32731264265
5 √n
57.787270917159
1 , 3 , 9 , 17 , 27 , 51 , 153 , 459 , 1403939 , 4211817 , 12635451 , 23866963 , 37906353 , 71600889 , 214802667 , 644408001
16 divisors
τ
Total Divisors
16
Total number of the positive divisors of n
σ
Sum of Divisors
1
Sum of all the positive divisors of n
s
Aliquot Sum
-644408000
Sum of the proper positive divisors of n
A
Arithmetic Mean
0.0625
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
16
Returns the total number of divisors (τ(n )) divided by the sum of the reciprocal of each divisors
The number 644408001 can be divided by 16 positive divisors.
The sum of these divisors (counting 644408001) is 1, the average is 0.0625.
Base
System
Value
2
Binary
100110011010001110001011000001
3
Ternary
1122220120022121000
4
Quaternary
212122032023001
5
Quinary
2304432024001
6
Senary
143535522213
8
Octal
4632161301
10
Decimal
644408001
12
Duodecimal
15b989369
16
Hexadecimal
2668e2c1
20
Vigesimal
a17b001
36
Base36
annwe9
md5
380e868ac572b39b854040dd35267d3d
sha1
5600ef3933f045fcc5ca3da84e698a9f26176bfa
sha256
a2929d4bab818a505f0f61060b510c29341ff394724719edfc73b961651001fc
sha512
c05b09b8630150635619039de767955446d96174728dd299cb34e84634c44ca0c40f8f4523f40902bbf416fac3201976a665a866175f18dcf10dbe17d0f9244e
ripemd-160
5bda6411ede59d9927506d2dbd71af8349b13153
Diameter
1288816002
Circumference
4048934883.7122
Area
1.3045830172961E+18
Volume
1.1209116457524E+27
Surface area
5.2183320691843E+18
Circumference
4048934883.7122
Perimeter
2577632004
Area
415261671752816001
Diagonal
911330534.71594
Surface area
2491570030516896006
Volume
2.6759794378615E+26
Space diagonal
1116147398.5359
Perimeter
1933224003
Area
1.7981357847797E+17
Altitude
558073699.26795
Surface area
1.7981357847797E+17
Volume
3.1536720113794E+25
Height
303776844.90531