638540440 is an even 9-digits composite number following 638540439
and preceding 638540441 . In scientific notation, it is written as 6.38540440 × 10^8.
The sum of its digits is 34. It has a total of 5 prime factors and 16 positive divisors.
There are 255416160 positive integers (up to 638540440) that are relatively prime to 638540440.
638540440 has 16 divisors, whose sum is 1436716080
The reverse of 638540440 is 044045836
Previous prime number is 5
Is Prime? no
Number parity even
Number length 9
Sum of Digits 34
Digital Root 7
Name
six hundred thirty-eight million five hundred forty thousand four hundred forty
Scientific notation
6.38540440 × 10^8
Engineering notation
6.38540440 × 10^6
Prime Factorization
2 × 2 × 2 × 5 × 15963511
Composite number
ω
Distinct Factors
3
Total number of distinct prime factors
Ω
Total Factors
5
Total number of prime factors
rad
Radical
159635110
Product of the distinct prime numbers
The prime factorization of 638540440 is 2 × 2 × 2 × 5 × 15963511.
Since it has a total of 5 prime factors.
2 , 6 , 58 , 51 , 907 , 560 , 3111 , 2277 , 38498 , 33628 , 295578 , 309639 , 5601545 , 4980861 , 94654646 , 31732041 , 929144154 , 492148477 , 7541623987 , 7076484061
n×2
1277080880
n×3
1915621320
n×4
2554161760
n×5
3192702200
n÷2
319270220
n÷3
212846813.33333
n÷3
159635110
n÷5
127708088
n2
407733893515393600
n3
2.6035457976823E+26
n4
1.6624692792122E+35
n5
1.0615538650347E+44
2 √n
25269.357728284
3 √n
861.11826764623
4 √n
158.96338486672
5 √n
57.681650853965
1 , 2 , 4 , 5 , 8 , 10 , 20 , 40 , 15963511 , 31927022 , 63854044 , 79817555 , 127708088 , 159635110 , 319270220 , 638540440
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
-638540439
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 638540440 can be divided by 16 positive divisors.
The sum of these divisors (counting 638540440) is 1, the average is 0.0625.
Base
System
Value
2
Binary
100110000011110101101010011000
3
Ternary
1122111112012210221
4
Quaternary
212003311222120
5
Quinary
2301431243230
6
Senary
143210045424
8
Octal
4603655230
10
Decimal
638540440
12
Duodecimal
159a19874
16
Hexadecimal
260f5a98
20
Vigesimal
9jahb20
36
Base36
ak64yg
md5
c6f6a4a003478a3cf6fb745fbfc087fe
sha1
59cfee9a38efd41a79747d18fd71cb2bc4d1b052
sha256
c8c99935b4cc2eae053f7b0337d2a194b951688714f76dc2b026ef6324d9067a
sha512
5e6120bd149952d15ad648cf1edd013243afbea8f2cf41c8c563160807af25da69625ad0365fb7561434ed24296c170ab733e88608902373c70357f770e009a6
ripemd-160
2d085ce66e09696b2e23cae6bbcb602abdc502a3
Diameter
1277080880
Circumference
4012067910.648
Area
1.2809338044875E+18
Volume
1.0905707135044E+27
Surface area
5.1237352179501E+18
Circumference
4012067910.648
Perimeter
2554161760
Area
407733893515393600
Diagonal
903032550.37168
Surface area
2446403361092361600
Volume
2.6035457976823E+26
Space diagonal
1105984484.7674
Perimeter
1915621320
Area
1.7655395488414E+17
Altitude
552992242.38369
Surface area
1.7655395488414E+17
Volume
3.0683081477849E+25
Height
301010850.12389