638783668 is an even 9-digits composite number following 638783667
and preceding 638783669 . In scientific notation, it is written as 6.38783668 × 10^8.
The sum of its digits is 55. It has a total of 4 prime factors and 12 positive divisors.
There are 318859200 positive integers (up to 638783668) that are relatively prime to 638783668.
638783668 has 12 divisors, whose sum is 1119735652
The reverse of 638783668 is 866387836
Previous prime number is 601
Is Prime? no Number parity even Number length 9 Sum of Digits 55 Digital Root 1
Name
six hundred thirty-eight million seven hundred eighty-three thousand six hundred sixty-eight
Scientific notation
6.38783668 × 10^8
Engineering notation
6.38783668 × 10^6
Prime Factorization
2 × 2 × 601 × 265717
Composite number
ω Distinct Factors
3 Total number of distinct prime factors
Ω Total Factors
4 Total number of prime factors
rad Radical
319391834 Product of the distinct prime numbers
The prime factorization of 638783668 is 2 × 2 × 601 × 265717.
Since it has a total of 4 prime factors.
1 , 9 , 10 , 79 , 720 , 204 , 6316 , 8428 , 37847 , 23714 , 690275 , 581367 , 8475927 , 6913651 , 77371915 , 25937645 , 404311768 , 896205617 , 1425386452 , 9278732901
n×2
1277567336
n×3
1916351004
n×4
2555134672
n×5
3193918340
n÷2
319391834
n÷3
212927889.33333
n÷3
159695917
n÷5
127756733.6
n2
408044574503534224
n3
2.6065221000887E+26
n4
1.6650037478177E+35
n5
1.0635772012647E+44
2 √n25274.16997648
3 √n861.22759065472
4 √n158.97852048777
5 √n57.686044516303
1 , 2 , 4 , 601 , 1202 , 2404 , 265717 , 531434 , 1062868 , 159695917 , 319391834 , 638783668
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
-638783667 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 638783668 can be divided by 12 positive divisors.
The sum of these divisors (counting 638783668) is 1, the average is 0.083333333333333.
Base
System
Value
2
Binary
100110000100110001000010110100
3
Ternary
1122111222120110101
4
Quaternary
212010301002310
5
Quinary
2302012034133
6
Senary
143215203444
8
Octal
4604610264
10
Decimal
638783668
12
Duodecimal
159b16584
16
Hexadecimal
261310b4
20
Vigesimal
9jc7j38
36
Base36
akbcms
md5
17abbdfc945909746a49155749c03c4e
sha1
53321179b4d915ed9712376e4affa72e8438caf9
sha256
cd0b1bf065add959f32501b7a658a334b1829fae5be9d99b38fb5622e14ec067
sha512
9bf5f2d18aa5f94c24d06cfd85fb0cdd9f3f3d403ffd8940fa653f209dd9a6bbf01419d84c16d02df0918c503514a79e8a62525bec0391d21bd6a34c88100946
ripemd-160
498695d38df300e901ff267d155b3114606da770
Diameter
1277567336
Circumference
4013596157.2439
Area
1.2819098375975E+18
Volume
1.0918174241411E+27
Surface area
5.1276393503899E+18
Circumference
4013596157.2439
Perimeter
2555134672
Area
408044574503534224
Diagonal
903376526.70803
Surface area
2448267447021205344
Volume
2.6065221000887E+26
Space diagonal
1106405768.0212
Perimeter
1916351004
Area
1.7668848369824E+17
Altitude
553202884.0106
Surface area
1.7668848369824E+17
Volume
3.0718157538088E+25
Height
301125508.90268