638963790 is an even 9-digits composite number following 638963789
and preceding 638963791 . In scientific notation, it is written as 6.38963790 × 10^8.
The sum of its digits is 51. It has a total of 4 prime factors and 16 positive divisors.
There are 167989920 positive integers (up to 638963790) that are relatively prime to 638963790.
638963790 has 16 divisors, whose sum is 1155538368
The reverse of 638963790 is 097369836
Previous prime number is 213
Is Prime? no
Number parity even
Number length 9
Sum of Digits 51
Digital Root 6
Name
six hundred thirty-eight million nine hundred sixty-three thousand seven hundred ninety
Scientific notation
6.38963790 × 10^8
Engineering notation
6.38963790 × 10^6
Prime Factorization
2 × 5 × 213 × 299983
Composite number
ω
Distinct Factors
4
Total number of distinct prime factors
Ω
Total Factors
4
Total number of prime factors
rad
Radical
638963790
Product of the distinct prime numbers
The prime factorization of 638963790 is 2 × 5 × 213 × 299983.
Since it has a total of 4 prime factors.
9 , 3 , 15 , 71 , 569 , 72 , 9586 , 3020 , 95742 , 38392 , 941422 , 682863 , 5095091 , 8378167 , 31600091 , 97875493 , 349336961 , 147286414 , 5739707134 , 9940053540
n×2
1277927580
n×3
1916891370
n×4
2555855160
n×5
3194818950
n÷2
319481895
n÷3
212987930
n÷3
159740947.5
n÷5
127792758
n2
408274724931164100
n3
2.6087276560322E+26
n4
1.6668825101762E+35
n5
1.0650775661869E+44
2 √n
25277.733086652
3 √n
861.30853170227
4 √n
158.98972635567
5 √n
57.689297371526
1 , 2 , 5 , 10 , 213 , 426 , 1065 , 2130 , 299983 , 599966 , 1499915 , 2999830 , 63896379 , 127792758 , 319481895 , 638963790
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
-638963789
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 638963790 can be divided by 16 positive divisors.
The sum of these divisors (counting 638963790) is 1, the average is 0.0625.
Base
System
Value
2
Binary
100110000101011101000001001110
3
Ternary
1122112022201112120
4
Quaternary
212011131001032
5
Quinary
2302033320130
6
Senary
143223113410
8
Octal
4605350116
10
Decimal
638963790
12
Duodecimal
159ba2866
16
Hexadecimal
2615d04e
20
Vigesimal
9jda99a
36
Base36
akf7m6
md5
7f3d8739ee41e936455ccb241f0838c0
sha1
88a30c5483e06c5d11f0f5aaf3d6f96ce5e959c5
sha256
28580f3e446211ad5bb82725001cd6f1c026a38a67d46bc5505603bd439e622a
sha512
5bf2f6e79822500714f41f1c6afe628dd3d69e77a41bf76d2f853d0c33214a4862ebad16d2808440fa654a0fd8bc3185a2f1f4fd7ced4cc38abad21db7592850
ripemd-160
f41fe912856982c125081d37e61405493c1d432c
Diameter
1277927580
Circumference
4014727897.1478
Area
1.2826328764901E+18
Volume
1.0927412852543E+27
Surface area
5.1305315059606E+18
Circumference
4014727897.1478
Perimeter
2555855160
Area
408274724931164100
Diagonal
903631257.68331
Surface area
2449648349586984600
Volume
2.6087276560322E+26
Space diagonal
1106717748.4768
Perimeter
1916891370
Area
1.7678814175675E+17
Altitude
553358874.23839
Surface area
1.7678814175675E+17
Volume
3.0744150264155E+25
Height
301210419.22777