644328368 is an even 9-digits composite number following 644328367
and preceding 644328369 . In scientific notation, it is written as 6.44328368 × 10^8.
The sum of its digits is 44. It has a total of 6 prime factors and 20 positive divisors.
There are 317750400 positive integers (up to 644328368) that are relatively prime to 644328368.
644328368 has 20 divisors, whose sum is 1265489688
The reverse of 644328368 is 863823446
Previous prime number is 73
Is Prime? no
Number parity even
Number length 9
Sum of Digits 44
Digital Root 8
Name
six hundred forty-four million three hundred twenty-eight thousand three hundred sixty-eight
Scientific notation
6.44328368 × 10^8
Engineering notation
6.44328368 × 10^6
Prime Factorization
2 × 2 × 2 × 2 × 73 × 551651
Composite number
ω
Distinct Factors
3
Total number of distinct prime factors
Ω
Total Factors
6
Total number of prime factors
rad
Radical
80541046
Product of the distinct prime numbers
The prime factorization of 644328368 is 2 × 2 × 2 × 2 × 73 × 551651.
Since it has a total of 6 prime factors.
3 , 6 , 100 , 51 , 310 , 467 , 7292 , 3141 , 8095 , 22110 , 368545 , 835778 , 4059305 , 5003658 , 50894752 , 76985825 , 561656147 , 312577048 , 8519599507 , 3386477315
n×2
1288656736
n×3
1932985104
n×4
2577313472
n×5
3221641840
n÷2
322164184
n÷3
214776122.66667
n÷3
161082092
n÷5
128865673.6
n2
415159045809543424
n3
2.674987504469E+26
n4
1.7235703331749E+35
n5
1.1105452599078E+44
2 √n
25383.624012343
3 √n
863.7122598651
4 √n
159.32239017898
5 √n
57.785842629112
1 , 2 , 4 , 8 , 16 , 73 , 146 , 292 , 584 , 1168 , 551651 , 1103302 , 2206604 , 4413208 , 8826416 , 40270523 , 80541046 , 161082092 , 322164184 , 644328368
20 divisors
τ
Total Divisors
20
Total number of the positive divisors of n
σ
Sum of Divisors
1
Sum of all the positive divisors of n
s
Aliquot Sum
-644328367
Sum of the proper positive divisors of n
A
Arithmetic Mean
0.05
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
20
Returns the total number of divisors (τ(n )) divided by the sum of the reciprocal of each divisors
The number 644328368 can be divided by 20 positive divisors.
The sum of these divisors (counting 644328368) is 1, the average is 0.05.
Base
System
Value
2
Binary
100110011001111010101110110000
3
Ternary
1122220102021100122
4
Quaternary
212121322232300
5
Quinary
2304422001433
6
Senary
143534105412
8
Octal
4631725660
10
Decimal
644328368
12
Duodecimal
15b94b268
16
Hexadecimal
2667abb0
20
Vigesimal
a1710i8
36
Base36
anm6y8
md5
ee4d38cdf121a8e1ff2173fefb1c4736
sha1
aa4c8da372e375e2de17c56b5653a7579f76b79e
sha256
d70e3872029d93b96c0d22f4299f9e21bdf9083b372804339a098da44a679996
sha512
6b5c6d251b73a1672035f42dd8d673d878c16fe2486ddd5806deb7e71550c5c3b586de882dbb07557cd8ff72cd91306b3c0ca308d2addf97eb868b6f62a879d9
ripemd-160
41e7e5c4b0679649b264e04e37a6ae57cec18c86
Diameter
1288656736
Circumference
4048434534.8166
Area
1.3042606083866E+18
Volume
1.1204961456646E+27
Surface area
5.2170424335464E+18
Circumference
4048434534.8166
Perimeter
2577313472
Area
415159045809543424
Diagonal
911217916.64732
Surface area
2490954274857260544
Volume
2.674987504469E+26
Space diagonal
1116009470.1339
Perimeter
1932985104
Area
1.7976914014099E+17
Altitude
558004735.06697
Surface area
1.7976914014099E+17
Volume
3.1525030066655E+25
Height
303739305.54911