638406481 is an odd 9-digits prime number following 638406480
and preceding 638406482 . In scientific notation, it is written as 6.38406481 × 10^8.
The sum of its digits is 40. It has a total of 1 prime factors and 2 positive divisors.
There are 638406480 positive integers (up to 638406481) that are relatively prime to 638406481.
638406481 has 2 divisors, whose sum is 638406482
The reverse of 638406481 is 184604836
Previous prime number is 1
Is Prime? yes
Number parity odd
Number length 9
Sum of Digits 40
Digital Root 4
Name
six hundred thirty-eight million four hundred six thousand four hundred eighty-one
Scientific notation
6.38406481 × 10^8
Engineering notation
6.38406481 × 10^6
Prime Factorization
638406481
Composite number
ω
Distinct Factors
1
Total number of distinct prime factors
Ω
Total Factors
1
Total number of prime factors
rad
Radical
638406481
Product of the distinct prime numbers
The prime factorization of 638406481 is 638406481.
Since it has a total of 1 prime factors.
10 , 1 , 59 , 61 , 417 , 627 , 96 , 7247 , 89520 , 4179 , 886920 , 568052 , 9306224 , 4404567 , 61414224 , 97837477 , 859759681 , 145274916 , 5382074408 , 5449033095
n×2
1276812962
n×3
1915219443
n×4
2553625924
n×5
3192032405
n÷2
319203240.5
n÷3
212802160.33333
n÷3
159601620.25
n÷5
127681296.2
n2
407562834982803361
n3
2.6019075526776E+26
n4
1.6610746445922E+35
n5
1.0604408185324E+44
2 √n
25266.706967866
3 √n
861.05804561358
4 √n
158.95504700344
5 √n
57.679230451347
2 divisors
τ
Total Divisors
2
Total number of the positive divisors of n
σ
Sum of Divisors
638406482
Sum of all the positive divisors of n
s
Aliquot Sum
1
Sum of the proper positive divisors of n
A
Arithmetic Mean
319203241
Returns the sum of divisors (σ(n )) divided by the total number of divisors (τ(n ))
G
Geometric Mean
25266.706987655
Returns the nth root of the product of n divisors
H
Harmonic Mean
1.9999999968672
Returns the total number of divisors (τ(n )) divided by the sum of the reciprocal of each divisors
The number 638406481 can be divided by 2 positive divisors.
The sum of these divisors (counting 638406481) is 638406482, the average is 319203241.
Base
System
Value
2
Binary
100110000011010100111101010001
3
Ternary
1122111021102001111
4
Quaternary
212003110331101
5
Quinary
2301413001411
6
Senary
143203133321
8
Octal
4603247521
10
Decimal
638406481
12
Duodecimal
159974241
16
Hexadecimal
260d4f51
20
Vigesimal
9ja0g41
36
Base36
ak39ld
md5
78b8abc4ba469f7d289bb54c212a64b3
sha1
e0b88db46c01ff0cb9acb05433a0e9f238053247
sha256
5fbdebf1919ec8996ada987c7017584f825c2ff9c8fb6d2d347aab0b4120cb71
sha512
40fbaa781d665700fb7a9c195682247e99ba0b28704ae4a783ab20df9a3b84a1ed29c09915d3b68f0eb31b1f621a6a31083b8509c5976a4685f1f18e11df7f22
ripemd-160
735e4c829bbc1edd00bd481cc9c10c50986fffd0
Diameter
1276812962
Circumference
4011226221.4274
Area
1.2803964082582E+18
Volume
1.0898844870415E+27
Surface area
5.1215856330328E+18
Circumference
4011226221.4274
Perimeter
2553625924
Area
407562834982803361
Diagonal
902843103.73708
Surface area
2445377009896820166
Volume
2.6019075526776E+26
Space diagonal
1105752460.9733
Perimeter
1915219443
Area
1.7647988436676E+17
Altitude
552876230.48663
Surface area
1.7647988436676E+17
Volume
3.0663774575313E+25
Height
300947701.24569