638861330 is an even 9-digits composite number following 638861329
and preceding 638861331 . In scientific notation, it is written as 6.38861330 × 10^8.
The sum of its digits is 38. It has a total of 3 prime factors and 8 positive divisors.
There are 247301040 positive integers (up to 638861330) that are relatively prime to 638861330.
638861330 has 8 divisors, whose sum is 964474992
The reverse of 638861330 is 033168836
Previous prime number is 155
Is Prime? no Number parity even Number length 9 Sum of Digits 38 Digital Root 2
Name
six hundred thirty-eight million eight hundred sixty-one thousand three hundred thirty
Scientific notation
6.38861330 × 10^8
Engineering notation
6.38861330 × 10^6
Prime Factorization
2 × 155 × 2060843
Composite number
ω Distinct Factors
3 Total number of distinct prime factors
Ω Total Factors
3 Total number of prime factors
rad Radical
638861330 Product of the distinct prime numbers
The prime factorization of 638861330 is 2 × 155 × 2060843.
Since it has a total of 3 prime factors.
7 , 3 , 63 , 19 , 641 , 130 , 1392 , 4061 , 54955 , 3132 , 214157 , 682447 , 3308462 , 5107667 , 59901943 , 6488378 , 188918054 , 311498231 , 596744562 , 1526905748
n×2
1277722660
n×3
1916583990
n×4
2555445320
n×5
3194306650
n÷2
319430665
n÷3
212953776.66667
n÷3
159715332.5
n÷5
127772266
n2
408143798969368900
n3
2.6074729024082E+26
n4
1.6658136063715E+35
n5
1.0642238960986E+44
2 √n25275.706320497
3 √n861.26249133139
4 √n158.98335233759
5 √n57.687447118142
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
-638861329 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 638861330 can be divided by 8 positive divisors.
The sum of these divisors (counting 638861330) is 1, the average is 0.125.
Base
System
Value
2
Binary
100110000101000100000000010010
3
Ternary
1122112010111222202
4
Quaternary
212011010000102
5
Quinary
2302022030310
6
Senary
143221003202
8
Octal
4605040022
10
Decimal
638861330
12
Duodecimal
159b53502
16
Hexadecimal
26144012
20
Vigesimal
9jchd6a
36
Base36
akd0k2
md5
da1db5f962b5bb3c717c87ea5e65bda1
sha1
92a29707896855c707b6e1fb05d67718ed92d0e7
sha256
46156b9b33cfec433b3d505bfdc372b301a8f6bc85ff96723726dfd118469ae2
sha512
2a262ef034e78ad24ac8f4f0f5d71f98d651eeeb07272737526eec24830b6b2362d6abcb2e327ecbae038894bc52dc72e15f8dfbcbc4310740369091c1f8b887
ripemd-160
ca286a33df13c5b5a63e1e1f732eb4b00d5dd1ea
Diameter
1277722660
Circumference
4014084121.9812
Area
1.2822215604504E+18
Volume
1.0922156952854E+27
Surface area
5.1288862418016E+18
Circumference
4014084121.9812
Perimeter
2555445320
Area
408143798969368900
Diagonal
903486357.36171
Surface area
2448862793816213400
Volume
2.6074729024082E+26
Space diagonal
1106540282.551
Perimeter
1916583990
Area
1.7673144915228E+17
Altitude
553270141.27551
Surface area
1.7673144915228E+17
Volume
3.0729362850884E+25
Height
301162119.12057