638545401 is an odd 9-digits composite number following 638545400
and preceding 638545402 . In scientific notation, it is written as 6.38545401 × 10^8.
The sum of its digits is 36. It has a total of 4 prime factors and 12 positive divisors.
There are 392950944 positive integers (up to 638545401) that are relatively prime to 638545401.
638545401 has 12 divisors, whose sum is 993293028
The reverse of 638545401 is 104545836
Previous prime number is 13
Is Prime? no Number parity odd Number length 9 Sum of Digits 36 Digital Root 9
Name
six hundred thirty-eight million five hundred forty-five thousand four hundred one
Scientific notation
6.38545401 × 10^8
Engineering notation
6.38545401 × 10^6
Prime Factorization
3 × 3 × 13 × 5457653
Composite number
ω Distinct Factors
3 Total number of distinct prime factors
Ω Total Factors
4 Total number of prime factors
rad Radical
212848467 Product of the distinct prime numbers
The prime factorization of 638545401 is 3 × 3 × 13 × 5457653.
Since it has a total of 4 prime factors.
8 , 10 , 49 , 89 , 190 , 259 , 8061 , 8149 , 12903 , 18028 , 575508 , 387181 , 4078687 , 4489422 , 73035737 , 51383882 , 430285302 , 20869532 , 6677375454 , 1267657009
n×2
1277090802
n×3
1915636203
n×4
2554181604
n×5
3192727005
n÷2
319272700.5
n÷3
212848467
n÷3
159636350.25
n÷5
127709080.2
n2
407740229138250801
n3
2.6036064811892E+26
n4
1.6625209445771E+35
n5
1.0615951032259E+44
2 √n25269.455890462
3 √n861.12049773034
4 √n158.96369362361
5 √n57.681740482675
1 , 3 , 9 , 13 , 39 , 117 , 5457653 , 16372959 , 49118877 , 70949489 , 212848467 , 638545401
12 divisors
τ Total Divisors
12 Total number of the positive divisors of n
σ Sum of Divisors
1 Sum of all the positive divisors of n
s Aliquot Sum
-638545400 Sum of the proper positive divisors of n
A Arithmetic Mean
0.083333333333333 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
12 Returns the total number of divisors (τ(n )) divided by the sum of the reciprocal of each divisors
The number 638545401 can be divided by 12 positive divisors.
The sum of these divisors (counting 638545401) is 1, the average is 0.083333333333333.
Base
System
Value
2
Binary
100110000011110110110111111001
3
Ternary
1122111112110121200
4
Quaternary
212003312313321
5
Quinary
2301431423101
6
Senary
143210124413
8
Octal
4603666771
10
Decimal
638545401
12
Duodecimal
159a20709
16
Hexadecimal
260f6df9
20
Vigesimal
9jai3a1
36
Base36
ak68s9
md5
d2dedf9f5253f952ef94947e094b48a6
sha1
dcc062a744452f39f12f0e8dd31d4189be8a3a06
sha256
7f9ddb66acef51b723d23a5d40034c3f64f5038917b8c9ab804007dde8415bce
sha512
f4cf7d9ada8c4072198f50139751c7f43f16fc877acace75a7584d0a94925ea935950cb96ce32f7e58e104a496c07073672f3bfc52da46aa4cc14825933d5296
ripemd-160
ff0260163f541818ba299defe8425311da294fba
Diameter
1277090802
Circumference
4012099081.5303
Area
1.2809537084337E+18
Volume
1.0905961325524E+27
Surface area
5.123814833735E+18
Circumference
4012099081.5303
Perimeter
2554181604
Area
407740229138250801
Diagonal
903039566.28517
Surface area
2446441374829504806
Volume
2.6036064811892E+26
Space diagonal
1105993077.4714
Perimeter
1915636203
Area
1.7655669828931E+17
Altitude
552996538.73572
Surface area
1.7655669828931E+17
Volume
3.0683796639835E+25
Height
301013188.76172