638045407 is an odd 9-digits composite number following 638045406
and preceding 638045408 . In scientific notation, it is written as 6.38045407 × 10^8.
The sum of its digits is 37. It has a total of 3 prime factors and 8 positive divisors.
There are 633121920 positive integers (up to 638045407) that are relatively prime to 638045407.
638045407 has 8 divisors, whose sum is 642981680
The reverse of 638045407 is 704540836
Previous prime number is 709
Is Prime? no
Number parity odd
Number length 9
Sum of Digits 37
Digital Root 1
Name
six hundred thirty-eight million forty-five thousand four hundred seven
Scientific notation
6.38045407 × 10^8
Engineering notation
6.38045407 × 10^6
Prime Factorization
163 × 709 × 5521
Composite number
ω
Distinct Factors
3
Total number of distinct prime factors
Ω
Total Factors
3
Total number of prime factors
rad
Radical
638045407
Product of the distinct prime numbers
The prime factorization of 638045407 is 163 × 709 × 5521.
Since it has a total of 3 prime factors.
2 , 9 , 22 , 5 , 631 , 515 , 7640 , 1654 , 84058 , 2302 , 864384 , 667779 , 4043082 , 6140804 , 43430111 , 58106926 , 388552907 , 547111262 , 4005408215 , 5174981536
n×2
1276090814
n×3
1914136221
n×4
2552181628
n×5
3190227035
n÷2
319022703.5
n÷3
212681802.33333
n÷3
159511351.75
n÷5
127609081.4
n2
407101941393795649
n3
2.5974952388709E+26
n4
1.657319906866E+35
n5
1.0574453545055E+44
2 √n
25259.56070481
3 √n
860.8956807697
4 √n
158.93256653314
5 √n
57.672704457535
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
-638045406
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 638045407 can be divided by 8 positive divisors.
The sum of these divisors (counting 638045407) is 1, the average is 0.125.
Base
System
Value
2
Binary
100110000001111100110011011111
3
Ternary
1122110121001202101
4
Quaternary
212001330303133
5
Quinary
2301314423112
6
Senary
143151305531
8
Octal
4601746337
10
Decimal
638045407
12
Duodecimal
15981b2a7
16
Hexadecimal
2607ccdf
20
Vigesimal
9j7fda7
36
Base36
ajvizj
md5
95b3b80668d891dc647200d610fcea00
sha1
cb1ad175b4c649f81fb4195a5bebb42732eb7a77
sha256
25e6226b2d5648945f32ac5ed93af7784e5088640ac2284374ca902bf7a250c1
sha512
9971687eb928b92d5dd6b44971671bd043bd181319a6d5e0e5a03513eff0e6892cdd1680bb665d8fac441c70c24b5729908526e9e9142ba089addbc6accdb0a1
ripemd-160
ea8cbfbdb67cfc5f8b6a8deb7728a0509c001806
Diameter
1276090814
Circumference
4008957526.5758
Area
1.2789484683449E+18
Volume
1.0880362613562E+27
Surface area
5.1157938733796E+18
Circumference
4008957526.5758
Perimeter
2552181628
Area
407101941393795649
Diagonal
902332467.98926
Surface area
2442611648362773894
Volume
2.5974952388709E+26
Space diagonal
1105127062.46
Perimeter
1914136221
Area
1.762803115885E+17
Altitude
552563531.22998
Surface area
1.762803115885E+17
Volume
3.0611774958424E+25
Height
300777489.32975