638804943 is an odd 9-digits composite number following 638804942
and preceding 638804944 . In scientific notation, it is written as 6.38804943 × 10^8.
The sum of its digits is 45. It has a total of 4 prime factors and 16 positive divisors.
There are 364658112 positive integers (up to 638804943) that are relatively prime to 638804943.
638804943 has 16 divisors, whose sum is 893211616
The reverse of 638804943 is 349408836
Previous prime number is 1093
Is Prime? no
Number parity odd
Number length 9
Sum of Digits 45
Digital Root 9
Name
six hundred thirty-eight million eight hundred four thousand nine hundred forty-three
Scientific notation
6.38804943 × 10^8
Engineering notation
6.38804943 × 10^6
Prime Factorization
3 × 21 × 1093 × 9277
Composite number
ω
Distinct Factors
4
Total number of distinct prime factors
Ω
Total Factors
4
Total number of prime factors
rad
Radical
638804943
Product of the distinct prime numbers
The prime factorization of 638804943 is 3 × 21 × 1093 × 9277.
Since it has a total of 4 prime factors.
5 , 1 , 68 , 16 , 352 , 104 , 9593 , 1764 , 63656 , 59815 , 153121 , 381980 , 8544765 , 5962025 , 3277718 , 5266333 , 138863710 , 948640989 , 6333928461 , 1525795238
n×2
1277609886
n×3
1916414829
n×4
2555219772
n×5
3194024715
n÷2
319402471.5
n÷3
212934981
n÷3
159701235.75
n÷5
127760988.6
n2
408071755201233249
n3
2.6067825432123E+26
n4
1.6652255739302E+35
n5
1.0637543278366E+44
2 √n
25274.590857223
3 √n
861.2371517495
4 √n
158.97984418543
5 √n
57.686428763524
1 , 3 , 21 , 63 , 1093 , 3279 , 9277 , 22953 , 27831 , 68859 , 194817 , 584451 , 10139761 , 30419283 , 212934981 , 638804943
16 divisors
τ
Total Divisors
16
Total number of the positive divisors of n
σ
Sum of Divisors
1
Sum of all the positive divisors of n
s
Aliquot Sum
-638804942
Sum of the proper positive divisors of n
A
Arithmetic Mean
0.0625
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
16
Returns the total number of divisors (τ(n )) divided by the sum of the reciprocal of each divisors
The number 638804943 can be divided by 16 positive divisors.
The sum of these divisors (counting 638804943) is 1, the average is 0.0625.
Base
System
Value
2
Binary
100110000100110110001111001111
3
Ternary
1122112000122122100
4
Quaternary
212010312033033
5
Quinary
2302013224233
6
Senary
143215450143
8
Octal
4604661717
10
Decimal
638804943
12
Duodecimal
159b26953
16
Hexadecimal
261363cf
20
Vigesimal
9jcac73
36
Base36
akbt1r
md5
760fbe89c7c2aded5e231b813a1fef26
sha1
d5a8585adcb814418f90ab2b7d6ed191e36d993b
sha256
ced4fd81f671fd487648c2df6b1b792b77c3606e18a929d666b3a0effe917b12
sha512
aba26da88820688fd52440e70ff03ebdc8cfe57e37ab2256090e0139bbfc94fcda4e1e4589c1656b80982616b675af4dbde9d7ea148c73a6f622c21c86c6cb30
ripemd-160
eb214b8e813d4f8a768dc7010130f7545ca19d68
Diameter
1277609886
Circumference
4013729832.0113
Area
1.2819952282777E+18
Volume
1.0919265183016E+27
Surface area
5.1279809131107E+18
Circumference
4013729832.0113
Perimeter
2555219772
Area
408071755201233249
Diagonal
903406614.10157
Surface area
2448430531207399494
Volume
2.6067825432123E+26
Space diagonal
1106442617.4021
Perimeter
1916414829
Area
1.7670025328559E+17
Altitude
553221308.70107
Surface area
1.7670025328559E+17
Volume
3.0721226889736E+25
Height
301135538.03386