644042005 is an odd 9-digits composite number following 644042004
and preceding 644042006 . In scientific notation, it is written as 6.44042005 × 10^8.
The sum of its digits is 25. It has a total of 5 prime factors and 24 positive divisors.
There are 492305856 positive integers (up to 644042005) that are relatively prime to 644042005.
644042005 has 24 divisors, whose sum is 808733952
The reverse of 644042005 is 500240446
Previous prime number is 103
Is Prime? no
Number parity odd
Number length 9
Sum of Digits 25
Digital Root 7
Name
six hundred forty-four million forty-two thousand five
Scientific notation
6.44042005 × 10^8
Engineering notation
6.44042005 × 10^6
Prime Factorization
5 × 29 × 29 × 103 × 1487
Composite number
ω
Distinct Factors
4
Total number of distinct prime factors
Ω
Total Factors
5
Total number of prime factors
rad
Radical
22208345
Product of the distinct prime numbers
The prime factorization of 644042005 is 5 × 29 × 29 × 103 × 1487.
Since it has a total of 5 prime factors.
10 , 2 , 24 , 4 , 566 , 749 , 2033 , 1185 , 71018 , 68424 , 894581 , 13042 , 7672380 , 6262537 , 32228437 , 91766054 , 229899650 , 473915985 , 7028836082 , 9148157834
n×2
1288084010
n×3
1932126015
n×4
2576168020
n×5
3220210025
n÷2
322021002.5
n÷3
214680668.33333
n÷3
161010501.25
n÷5
128808401
n2
414790104204420025
n3
2.6714225036597E+26
n4
1.7205083054591E+35
n5
1.1080796186671E+44
2 √n
25377.982681845
3 √n
863.58428583985
4 √n
159.30468505931
5 √n
57.780705289015
1 , 5 , 29 , 103 , 145 , 515 , 841 , 1487 , 2987 , 4205 , 7435 , 14935 , 43123 , 86623 , 153161 , 215615 , 433115 , 765805 , 1250567 , 4441669 , 6252835 , 22208345 , 128808401 , 644042005
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
-644042004
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 644042005 can be divided by 24 positive divisors.
The sum of these divisors (counting 644042005) is 1, the average is 0.041666666666667.
Base
System
Value
2
Binary
100110011000110100110100010101
3
Ternary
1122212212201112121
4
Quaternary
212120310310111
5
Quinary
2304333321010
6
Senary
143524015541
8
Octal
4630646425
10
Decimal
644042005
12
Duodecimal
15b8315b1
16
Hexadecimal
26634d15
20
Vigesimal
a155505
36
Base36
ang1zp
md5
2d446d19ebac7981fdbc1629c72af09a
sha1
f463854234c425bd7f732c30c0c59d84473ad517
sha256
4b30b8c5dfea1e226576179d4e798dc1dea486c8d815f81a0d5ea11c2af27d7b
sha512
b0c2d9adf05f2db245dc5f6e71c30f0c332446d6e48e61759bdabf2a2188243c41b20bc32475fdd8523c5db23a9cd37bb3498f51ca8f4c0ecb3a364007872681
ripemd-160
e544be66a5cf8fcfa244d85628e43af6553a74ee
Diameter
1288084010
Circumference
4046635263.0225
Area
1.3031015441504E+18
Volume
1.1190028416176E+27
Surface area
5.2124061766014E+18
Circumference
4046635263.0225
Perimeter
2576168020
Area
414790104204420025
Diagonal
910812938.20896
Surface area
2488740625226520150
Volume
2.6714225036597E+26
Space diagonal
1115513474.8685
Perimeter
1932126015
Area
1.7960938373971E+17
Altitude
557756737.43426
Surface area
1.7960938373971E+17
Volume
3.1483016129202E+25
Height
303604312.73632