638966031 is an odd 9-digits composite number following 638966030
and preceding 638966032 . In scientific notation, it is written as 6.38966031 × 10^8.
The sum of its digits is 42. It has a total of 5 prime factors and 24 positive divisors.
There are 384840720 positive integers (up to 638966031) that are relatively prime to 638966031.
638966031 has 24 divisors, whose sum is 942278400
The reverse of 638966031 is 130669836
Previous prime number is 163
Is Prime? no
Number parity odd
Number length 9
Sum of Digits 42
Digital Root 6
Name
six hundred thirty-eight million nine hundred sixty-six thousand thirty-one
Scientific notation
6.38966031 × 10^8
Engineering notation
6.38966031 × 10^6
Prime Factorization
11 × 3 × 11 × 163 × 10799
Composite number
ω
Distinct Factors
4
Total number of distinct prime factors
Ω
Total Factors
5
Total number of prime factors
rad
Radical
58087821
Product of the distinct prime numbers
The prime factorization of 638966031 is 11 × 3 × 11 × 163 × 10799.
Since it has a total of 5 prime factors.
6 , 2 , 28 , 62 , 333 , 71 , 9266 , 8946 , 78098 , 22551 , 698968 , 307861 , 6116326 , 5529412 , 37733541 , 56581689 , 766148324 , 417905807 , 3207748315 , 2855109370
n×2
1277932062
n×3
1916898093
n×4
2555864124
n×5
3194830155
n÷2
319483015.5
n÷3
212988677
n÷3
159741507.75
n÷5
127793206.2
n2
408277588771892961
n3
2.6087551044383E+26
n4
1.6669058949339E+35
n5
1.0650962437364E+44
2 √n
25277.777414164
3 √n
861.30953863996
4 √n
158.98986575931
5 √n
57.689337837523
1 , 3 , 11 , 33 , 121 , 163 , 363 , 489 , 1793 , 5379 , 10799 , 19723 , 32397 , 59169 , 118789 , 356367 , 1306679 , 1760237 , 3920037 , 5280711 , 19362607 , 58087821 , 212988677 , 638966031
24 divisors
τ
Total Divisors
24
Total number of the positive divisors of n
σ
Sum of Divisors
1
Sum of all the positive divisors of n
s
Aliquot Sum
-638966030
Sum of the proper positive divisors of n
A
Arithmetic Mean
0.041666666666667
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
24
Returns the total number of divisors (τ(n )) divided by the sum of the reciprocal of each divisors
The number 638966031 can be divided by 24 positive divisors.
The sum of these divisors (counting 638966031) is 1, the average is 0.041666666666667.
Base
System
Value
2
Binary
100110000101011101100100001111
3
Ternary
1122112022211121120
4
Quaternary
212011131210033
5
Quinary
2302033403111
6
Senary
143223132023
8
Octal
4605354417
10
Decimal
638966031
12
Duodecimal
159ba4013
16
Hexadecimal
2615d90f
20
Vigesimal
9jdaf1b
36
Base36
akf9cf
md5
bd7c4854373cf51961b61cc6d36019e4
sha1
e89a3ae327fc3b599cdf624631c975790630a059
sha256
d1a8091d79a51ed284abdbb4ef7c01389142782b4f809eefc56cfe8183290515
sha512
7f95ede277dd3b258175846d43290326ddb276d581cc382a32a0ac9fa56e06ddbc53136f21411604cb3d0289f6579c71565eb2d7c93f1ca41452d40d8039a1e3
ripemd-160
5dcfe6af268bdaee88d59ea6cab41fe1b8b9c168
Diameter
1277932062
Circumference
4014741977.7661
Area
1.2826418735111E+18
Volume
1.0927527828158E+27
Surface area
5.1305674940445E+18
Circumference
4014741977.7661
Perimeter
2555864124
Area
408277588771892961
Diagonal
903634426.93591
Surface area
2449665532631357766
Volume
2.6087551044383E+26
Space diagonal
1106721630.0026
Perimeter
1916898093
Area
1.7678938183616E+17
Altitude
553360815.00132
Surface area
1.7678938183616E+17
Volume
3.0744473746722E+25
Height
301211475.6453