638963793 is an odd 9-digits composite number following 638963792
and preceding 638963794 . In scientific notation, it is written as 6.38963793 × 10^8.
The sum of its digits is 54. It has a total of 4 prime factors and 12 positive divisors.
There are 393208416 positive integers (up to 638963793) that are relatively prime to 638963793.
638963793 has 12 divisors, whose sum is 993943860
The reverse of 638963793 is 397369836
Previous prime number is 13
Is Prime? no
Number parity odd
Number length 9
Sum of Digits 54
Digital Root 9
Name
six hundred thirty-eight million nine hundred sixty-three thousand seven hundred ninety-three
Scientific notation
6.38963793 × 10^8
Engineering notation
6.38963793 × 10^6
Prime Factorization
3 × 3 × 13 × 5461229
Composite number
ω
Distinct Factors
3
Total number of distinct prime factors
Ω
Total Factors
4
Total number of prime factors
rad
Radical
212987931
Product of the distinct prime numbers
The prime factorization of 638963793 is 3 × 3 × 13 × 5461229.
Since it has a total of 4 prime factors.
3 , 10 , 29 , 79 , 725 , 439 , 593 , 747 , 133 , 90911 , 511247 , 63994 , 9914816 , 7300866 , 47921459 , 37490879 , 3724930 , 666328083 , 3054821009 , 5168339495
n×2
1277927586
n×3
1916891379
n×4
2555855172
n×5
3194818965
n÷2
319481896.5
n÷3
212987931
n÷3
159740948.25
n÷5
127792758.6
n2
408274728764946849
n3
2.608727692777E+26
n4
1.6668825414809E+35
n5
1.0650775911901E+44
2 √n
25277.733145992
3 √n
861.30853305025
4 √n
158.98972654229
5 √n
57.689297425697
1 , 3 , 9 , 13 , 39 , 117 , 5461229 , 16383687 , 49151061 , 70995977 , 212987931 , 638963793
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
-638963792
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 638963793 can be divided by 12 positive divisors.
The sum of these divisors (counting 638963793) is 1, the average is 0.083333333333333.
Base
System
Value
2
Binary
100110000101011101000001010001
3
Ternary
1122112022201112200
4
Quaternary
212011131001101
5
Quinary
2302033320133
6
Senary
143223113413
8
Octal
4605350121
10
Decimal
638963793
12
Duodecimal
159ba2869
16
Hexadecimal
2615d051
20
Vigesimal
9jda99d
36
Base36
akf7m9
md5
63f7cb26166968a069af6af67d81190f
sha1
504dc70349773e48c616a1a2cc2733d90a36877f
sha256
b125981b4b6951d490b85422fdd2f4477ed4309ac19f60afcc9c8aa1abe179ec
sha512
bc83f2e3ea816192015aa5fa7c417e94506b62645a656698b91478db1e1cf15cae282d7a18c380b1eb7b1df36eda41ba9888c99d3370741a5bd007da91977868
ripemd-160
abd392f39b313e2c4c4a7acf09a66aeb91835d23
Diameter
1277927586
Circumference
4014727915.9973
Area
1.2826328885343E+18
Volume
1.0927413006459E+27
Surface area
5.1305315541373E+18
Circumference
4014727915.9973
Perimeter
2555855172
Area
408274728764946849
Diagonal
903631261.92595
Surface area
2449648372589681094
Volume
2.608727692777E+26
Space diagonal
1106717753.6729
Perimeter
1916891379
Area
1.7678814341682E+17
Altitude
553358876.83646
Surface area
1.7678814341682E+17
Volume
3.0744150697195E+25
Height
301210420.64198