638963948 is an even 9-digits composite number following 638963947
and preceding 638963949 . In scientific notation, it is written as 6.38963948 × 10^8.
The sum of its digits is 56. It has a total of 4 prime factors and 12 positive divisors.
There are 273841680 positive integers (up to 638963948) that are relatively prime to 638963948.
638963948 has 12 divisors, whose sum is 1277927952
The reverse of 638963948 is 849369836
Previous prime number is 7
Is Prime? no Number parity even Number length 9 Sum of Digits 56 Digital Root 2
Name
six hundred thirty-eight million nine hundred sixty-three thousand nine hundred forty-eight
Scientific notation
6.38963948 × 10^8
Engineering notation
6.38963948 × 10^6
Prime Factorization
2 × 2 × 7 × 22820141
Composite number
ω Distinct Factors
3 Total number of distinct prime factors
Ω Total Factors
4 Total number of prime factors
rad Radical
319481974 Product of the distinct prime numbers
The prime factorization of 638963948 is 2 × 2 × 7 × 22820141.
Since it has a total of 4 prime factors.
7 , 9 , 81 , 34 , 499 , 939 , 6631 , 7140 , 32185 , 2643 , 246449 , 521763 , 327195 , 6491830 , 60158542 , 5399246 , 179946776 , 246789626 , 4310804206 , 4198116634
n×2
1277927896
n×3
1916891844
n×4
2555855792
n×5
3194819740
n÷2
319481974
n÷3
212987982.66667
n÷3
159740987
n÷5
127792789.6
n2
408274926843746704
n3
2.6087295912549E+26
n4
1.6668841588927E+35
n5
1.0650788830247E+44
2 √n25277.736211932
3 √n861.30860269573
4 √n158.98973618423
5 √n57.689300224554
1 , 2 , 4 , 7 , 14 , 28 , 22820141 , 45640282 , 91280564 , 159740987 , 319481974 , 638963948
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
-638963947 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 638963948 can be divided by 12 positive divisors.
The sum of these divisors (counting 638963948) is 1, the average is 0.083333333333333.
Base
System
Value
2
Binary
100110000101011101000011101100
3
Ternary
1122112022201202102
4
Quaternary
212011131003230
5
Quinary
2302033321243
6
Senary
143223114232
8
Octal
4605350354
10
Decimal
638963948
12
Duodecimal
159ba2978
16
Hexadecimal
2615d0ec
20
Vigesimal
9jda9h8
36
Base36
akf7qk
md5
93652d06c4b9f91dd1c9c3d0327a47f4
sha1
7c5aac89d21aa44f9edce887cb13c9556a85c93d
sha256
e0edb2b0523a9543da8eaaf220028d34d7d719b583a46bebe366ab4e4b4c88c2
sha512
ad1c0847c03888f986716bc3327e595126b030604913a46bef1808927a64ee4ff5ee39e22951e83aa71cd1bbf2d9a02af673ef663c4a5d79487857d1ec8dcca5
ripemd-160
48c7e8a18ea921a81589c9b34d27c80adf754f51
Diameter
1277927896
Circumference
4014728889.8911
Area
1.2826335108172E+18
Volume
1.0927420958785E+27
Surface area
5.1305340432689E+18
Circumference
4014728889.8911
Perimeter
2555855792
Area
408274926843746704
Diagonal
903631481.12906
Surface area
2449649561062480224
Volume
2.6087295912549E+26
Space diagonal
1106718022.1408
Perimeter
1916891844
Area
1.7678822918746E+17
Altitude
553359011.0704
Surface area
1.7678822918746E+17
Volume
3.0744173070973E+25
Height
301210493.70969