638963946 is an even 9-digits composite number following 638963945
and preceding 638963947 . In scientific notation, it is written as 6.38963946 × 10^8.
The sum of its digits is 54. It has a total of 4 prime factors and 12 positive divisors.
There are 212987976 positive integers (up to 638963946) that are relatively prime to 638963946.
638963946 has 12 divisors, whose sum is 1384421922
The reverse of 638963946 is 649369836
Previous prime number is 3
Is Prime? no Number parity even Number length 9 Sum of Digits 54 Digital Root 9
Name
six hundred thirty-eight million nine hundred sixty-three thousand nine hundred forty-six
Scientific notation
6.38963946 × 10^8
Engineering notation
6.38963946 × 10^6
Prime Factorization
2 × 3 × 3 × 35497997
Composite number
ω Distinct Factors
3 Total number of distinct prime factors
Ω Total Factors
4 Total number of prime factors
rad Radical
212987982 Product of the distinct prime numbers
The prime factorization of 638963946 is 2 × 3 × 3 × 35497997.
Since it has a total of 4 prime factors.
2 , 1 , 55 , 43 , 779 , 529 , 5650 , 1779 , 21638 , 44926 , 110711 , 227529 , 1671775 , 6604471 , 36960802 , 18077890 , 276632889 , 305765169 , 381400974 , 8649490874
n×2
1277927892
n×3
1916891838
n×4
2555855784
n×5
3194819730
n÷2
319481973
n÷3
212987982
n÷3
159740986.5
n÷5
127792789.2
n2
408274924287890916
n3
2.6087295667584E+26
n4
1.6668841380228E+35
n5
1.0650788663559E+44
2 √n25277.736172371
3 √n861.30860179707
4 √n158.98973605982
5 √n57.68930018844
1 , 2 , 3 , 6 , 9 , 18 , 35497997 , 70995994 , 106493991 , 212987982 , 319481973 , 638963946
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
-638963945 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 638963946 can be divided by 12 positive divisors.
The sum of these divisors (counting 638963946) is 1, the average is 0.083333333333333.
Base
System
Value
2
Binary
100110000101011101000011101010
3
Ternary
1122112022201202100
4
Quaternary
212011131003222
5
Quinary
2302033321241
6
Senary
143223114230
8
Octal
4605350352
10
Decimal
638963946
12
Duodecimal
159ba2976
16
Hexadecimal
2615d0ea
20
Vigesimal
9jda9h6
36
Base36
akf7qi
md5
f810f6de5995d222e577702969598e2b
sha1
f49eba903bc1de5a6949e45bfa110a2449047166
sha256
48260edf97624aea9dcc29b95a783af73f9ef16fdcb6d2e46fbd34b8b7749779
sha512
08e7fdd16f5ebeb1e78d7c15921423b661a488c1950d9c65edd588eaf31b2d29bdc6990fbab5ef08e0a0cc436d8879dbbb445c992ddb87d8b1ef2771f4b0fc0e
ripemd-160
1ea5b07cf55d70192e006e666ab5ca553e1c37e9
Diameter
1277927892
Circumference
4014728877.3247
Area
1.2826335027878E+18
Volume
1.0927420856174E+27
Surface area
5.1305340111511E+18
Circumference
4014728877.3247
Perimeter
2555855784
Area
408274924287890916
Diagonal
903631478.30063
Surface area
2449649545727345496
Volume
2.6087295667584E+26
Space diagonal
1106718018.6767
Perimeter
1916891838
Area
1.7678822808074E+17
Altitude
553359009.33835
Surface area
1.7678822808074E+17
Volume
3.0744172782279E+25
Height
301210492.76688