638992466 is an even 9-digits composite number following 638992465
and preceding 638992467 . In scientific notation, it is written as 6.38992466 × 10^8.
The sum of its digits is 53. It has a total of 3 prime factors and 8 positive divisors.
There are 273853908 positive integers (up to 638992466) that are relatively prime to 638992466.
638992466 has 8 divisors, whose sum is 1095415680
The reverse of 638992466 is 664299836
Previous prime number is 7
Is Prime? no
Number parity even
Number length 9
Sum of Digits 53
Digital Root 8
Name
six hundred thirty-eight million nine hundred ninety-two thousand four hundred sixty-six
Scientific notation
6.38992466 × 10^8
Engineering notation
6.38992466 × 10^6
Prime Factorization
2 × 7 × 45642319
Composite number
ω
Distinct Factors
3
Total number of distinct prime factors
Ω
Total Factors
3
Total number of prime factors
rad
Radical
638992466
Product of the distinct prime numbers
The prime factorization of 638992466 is 2 × 7 × 45642319.
Since it has a total of 3 prime factors.
7 , 8 , 76 , 18 , 85 , 510 , 4317 , 7325 , 22827 , 37312 , 337451 , 360810 , 5156849 , 4641954 , 61235343 , 97248901 , 641462728 , 882845742 , 9642644266 , 8281614301
n×2
1277984932
n×3
1916977398
n×4
2555969864
n×5
3194962330
n÷2
319496233
n÷3
212997488.66667
n÷3
159748116.5
n÷5
127798493.2
n2
408311371604761156
n3
2.6090789023757E+26
n4
1.6671817618176E+35
n5
1.0653165852541E+44
2 √n
25278.300298873
3 √n
861.32141637292
4 √n
158.99151014716
5 √n
57.689815168816
8 divisors
τ
Total Divisors
8
Total number of the positive divisors of n
σ
Sum of Divisors
1
Sum of all the positive divisors of n
s
Aliquot Sum
-638992465
Sum of the proper positive divisors of n
A
Arithmetic Mean
0.125
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
8
Returns the total number of divisors (τ(n )) divided by the sum of the reciprocal of each divisors
The number 638992466 can be divided by 8 positive divisors.
The sum of these divisors (counting 638992466) is 1, the average is 0.125.
Base
System
Value
2
Binary
100110000101100100000001010010
3
Ternary
1122112101011212122
4
Quaternary
212011210001102
5
Quinary
2302040224331
6
Senary
143223454242
8
Octal
4605440122
10
Decimal
638992466
12
Duodecimal
159bb7382
16
Hexadecimal
26164052
20
Vigesimal
9jde136
36
Base36
akftqq
md5
1f9e1bf3340fdc024f8aa2e40aa46bec
sha1
9019727584e96bbdc7b1cca589165b5a4acbc4a9
sha256
d6fe9e7a3db461eb382f694c0e891cec6e63c3f574907abe91b95b2264a5341a
sha512
5590ec891b0040648623c733857eb3ec99a301c21c6d31bfb2f160922b8e347ae3a81e75fd5f3e4dbc387108870893484b8351d13e1971504a77c083fa104a7a
ripemd-160
313d1f6ab1717e708feb15f2d9b3824069269b0d
Diameter
1277984932
Circumference
4014908073.7697
Area
1.2827480054107E+18
Volume
1.0928884149786E+27
Surface area
5.1309920216428E+18
Circumference
4014908073.7697
Perimeter
2555969864
Area
408311371604761156
Diagonal
903671811.67143
Surface area
2449868229628566936
Volume
2.6090789023757E+26
Space diagonal
1106767416.7657
Perimeter
1916977398
Area
1.768040102319E+17
Altitude
553383708.38286
Surface area
1.768040102319E+17
Volume
3.074828974201E+25
Height
301223937.22381