638804946 is an even 9-digits composite number following 638804945
and preceding 638804947 . In scientific notation, it is written as 6.38804946 × 10^8.
The sum of its digits is 48. It has a total of 4 prime factors and 16 positive divisors.
There are 194526720 positive integers (up to 638804946) that are relatively prime to 638804946.
638804946 has 16 divisors, whose sum is 992920320
The reverse of 638804946 is 649408836
Previous prime number is 97
Is Prime? no
Number parity even
Number length 9
Sum of Digits 48
Digital Root 3
Name
six hundred thirty-eight million eight hundred four thousand nine hundred forty-six
Scientific notation
6.38804946 × 10^8
Engineering notation
6.38804946 × 10^6
Prime Factorization
2 × 39 × 97 × 84431
Composite number
ω
Distinct Factors
4
Total number of distinct prime factors
Ω
Total Factors
4
Total number of prime factors
rad
Radical
638804946
Product of the distinct prime numbers
The prime factorization of 638804946 is 2 × 39 × 97 × 84431.
Since it has a total of 4 prime factors.
6 , 1 , 36 , 43 , 767 , 780 , 4203 , 3420 , 3051 , 50676 , 240417 , 952790 , 9710755 , 5194193 , 57087370 , 80351254 , 415155798 , 856967436 , 7641562749 , 2668431235
n×2
1277609892
n×3
1916414838
n×4
2555219784
n×5
3194024730
n÷2
319402473
n÷3
212934982
n÷3
159701236.5
n÷5
127760989.2
n2
408071759034062916
n3
2.6067825799388E+26
n4
1.6652256052115E+35
n5
1.063754352815E+44
2 √n
25274.590916571
3 √n
861.2371530977
4 √n
158.97984437208
5 √n
57.686428817706
1 , 2 , 39 , 78 , 97 , 194 , 3783 , 7566 , 84431 , 168862 , 3292809 , 6585618 , 8189807 , 16379614 , 319402473 , 638804946
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
-638804945
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 638804946 can be divided by 16 positive divisors.
The sum of these divisors (counting 638804946) is 1, the average is 0.0625.
Base
System
Value
2
Binary
100110000100110110001111010010
3
Ternary
1122112000122122110
4
Quaternary
212010312033102
5
Quinary
2302013224241
6
Senary
143215450150
8
Octal
4604661722
10
Decimal
638804946
12
Duodecimal
159b26956
16
Hexadecimal
261363d2
20
Vigesimal
9jcac76
36
Base36
akbt1u
md5
d5790bdc23cb2cdb7455c6a00bfbedb8
sha1
099a5bab047497d60b8068843675434711498eb1
sha256
13c7b23317e22ee447e1814ecff41cfef1a3fb7b162e19bbdc13cdf48ddb61b9
sha512
198e9938102bad08952e7f7301fa804c01e28d98b898da2733817774cd48c2ebc9f994b9bc527add62f6a84a908728a1a095b64fab6288d928b90ae5076b1502
ripemd-160
61c57be4ee30ce84350a6122f71c80e65a51a554
Diameter
1277609892
Circumference
4013729850.8608
Area
1.2819952403189E+18
Volume
1.0919265336855E+27
Surface area
5.1279809612755E+18
Circumference
4013729850.8608
Perimeter
2555219784
Area
408071759034062916
Diagonal
903406618.34421
Surface area
2448430554204377496
Volume
2.6067825799388E+26
Space diagonal
1106442622.5983
Perimeter
1916414838
Area
1.7670025494525E+17
Altitude
553221311.29915
Surface area
1.7670025494525E+17
Volume
3.0721227322561E+25
Height
301135539.44807