644013243 is an odd 9-digits composite number following 644013242
and preceding 644013244 . In scientific notation, it is written as 6.44013243 × 10^8.
The sum of its digits is 27. It has a total of 3 prime factors and 8 positive divisors.
There are 429144576 positive integers (up to 644013243) that are relatively prime to 644013243.
644013243 has 8 divisors, whose sum is 715899600
The reverse of 644013243 is 342310446
Previous prime number is 2339
Is Prime? no
Number parity odd
Number length 9
Sum of Digits 27
Digital Root 9
Name
six hundred forty-four million thirteen thousand two hundred forty-three
Scientific notation
6.44013243 × 10^8
Engineering notation
6.44013243 × 10^6
Prime Factorization
9 × 2339 × 30593
Composite number
ω
Distinct Factors
3
Total number of distinct prime factors
Ω
Total Factors
3
Total number of prime factors
rad
Radical
644013243
Product of the distinct prime numbers
The prime factorization of 644013243 is 9 × 2339 × 30593.
Since it has a total of 3 prime factors.
9 , 2 , 91 , 76 , 45 , 595 , 4363 , 963 , 23166 , 5612 , 239855 , 154472 , 4050719 , 4185893 , 77490173 , 6186813 , 623278835 , 848893359 , 168683542 , 9345720037
n×2
1288026486
n×3
1932039729
n×4
2576052972
n×5
3220066215
n÷2
322006621.5
n÷3
214671081
n÷3
161003310.75
n÷5
128802648.6
n2
414753057159377049
n3
2.6710646138537E+26
n4
1.7202009842305E+35
n5
1.1078322144661E+44
2 √n
25377.41600321
3 √n
863.57143016646
4 √n
159.30290644935
5 √n
57.780189198971
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
-644013242
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 644013243 can be divided by 8 positive divisors.
The sum of these divisors (counting 644013243) is 1, the average is 0.125.
Base
System
Value
2
Binary
100110011000101101110010111011
3
Ternary
1122212211021002100
4
Quaternary
212120231302323
5
Quinary
2304331410433
6
Senary
143523234443
8
Octal
4630556273
10
Decimal
644013243
12
Duodecimal
15b818a23
16
Hexadecimal
2662dcbb
20
Vigesimal
a151d23
36
Base36
anffsr
md5
79642402fcc8928409dc16815cdf7751
sha1
45e1a7b1ed456ce12b105a73fc6c98207cc5d015
sha256
5e49265f7ebb126a41128946f826387de4cc8d3966806d13004225cfa53dbbf3
sha512
320f217544ed612b55f43c54b0cce05efe2abf02d5ac7118766ffd35a85279cbd844a7d7f1def112183d982919a79e851ef8e50bb8f46adaf39e6b490374f27d
ripemd-160
326c4755076d97f24b5658855105b91edf2767c4
Diameter
1288026486
Circumference
4046454546.0467
Area
1.3029851574258E+18
Volume
1.1188529290862E+27
Surface area
5.2119406297032E+18
Circumference
4046454546.0467
Perimeter
2576052972
Area
414753057159377049
Diagonal
910772262.59848
Surface area
2488518342956262294
Volume
2.6710646138537E+26
Space diagonal
1115463657.6232
Perimeter
1932039729
Area
1.7959334189864E+17
Altitude
557731828.8116
Surface area
1.7959334189864E+17
Volume
3.147879835739E+25
Height
303590754.19949