638861375 is an odd 9-digits composite number following 638861374
and preceding 638861376 . In scientific notation, it is written as 6.38861375 × 10^8.
The sum of its digits is 47. It has a total of 5 prime factors and 24 positive divisors.
There are 500167200 positive integers (up to 638861375) that are relatively prime to 638861375.
638861375 has 24 divisors, whose sum is 804698496
The reverse of 638861375 is 573168836
Previous prime number is 5
Is Prime? no
Number parity odd
Number length 9
Sum of Digits 47
Digital Root 2
Name
six hundred thirty-eight million eight hundred sixty-one thousand three hundred seventy-five
Scientific notation
6.38861375 × 10^8
Engineering notation
6.38861375 × 10^6
Prime Factorization
83 × 5 × 695 × 5 × 443
Composite number
ω
Distinct Factors
4
Total number of distinct prime factors
Ω
Total Factors
5
Total number of prime factors
rad
Radical
127772275
Product of the distinct prime numbers
The prime factorization of 638861375 is 83 × 5 × 695 × 5 × 443.
Since it has a total of 5 prime factors.
4 , 1 , 91 , 15 , 439 , 855 , 5690 , 4991 , 53916 , 13826 , 586372 , 989099 , 1749527 , 3929563 , 86290690 , 51043262 , 4183434 , 416126250 , 5035521691 , 4767808479
n×2
1277722750
n×3
1916584125
n×4
2555445500
n×5
3194306875
n÷2
319430687.5
n÷3
212953791.66667
n÷3
159715343.75
n÷5
127772275
n2
408143856466890625
n3
2.6074734534024E+26
n4
1.6658140757167E+35
n5
1.0642242709067E+44
2 √n
25275.70721068
3 √n
861.2625115532
4 √n
158.9833551372
5 √n
57.687447930817
1 , 5 , 25 , 83 , 415 , 443 , 695 , 2075 , 2215 , 3475 , 11075 , 17375 , 36769 , 57685 , 183845 , 288425 , 307885 , 919225 , 1442125 , 1539425 , 7697125 , 25554455 , 127772275 , 638861375
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
-638861374
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 638861375 can be divided by 24 positive divisors.
The sum of these divisors (counting 638861375) is 1, the average is 0.041666666666667.
Base
System
Value
2
Binary
100110000101000100000000111111
3
Ternary
1122112010112001102
4
Quaternary
212011010000333
5
Quinary
2302022031000
6
Senary
143221003315
8
Octal
4605040077
10
Decimal
638861375
12
Duodecimal
159b5353b
16
Hexadecimal
2614403f
20
Vigesimal
9jchd8f
36
Base36
akd0lb
md5
bc50626cd3d5b1e2d2e8287219308478
sha1
3f1a90bebdb95914913a1b04e263269564c7923a
sha256
cb47eb91683a532eab8b56ac5e3c6756ff097464cfedbe20e51a1d0fc31b8b85
sha512
3fe8c5ba59ed6c894d2a4640ffacdfa3b5f9fcdb5c75f762d90db1676cf8dd40993aa1a7f0863dd38d1004540b48387084920f1aae78eb369ae671d7241ea10d
ripemd-160
ef08682fcbd5ad3b9f22db5a7891bc34b377bee0
Diameter
1277722750
Circumference
4014084404.7245
Area
1.2822217410842E+18
Volume
1.0922159260853E+27
Surface area
5.1288869643368E+18
Circumference
4014084404.7245
Perimeter
2555445500
Area
408143856466890625
Diagonal
903486421.00132
Surface area
2448863138801343750
Volume
2.6074734534024E+26
Space diagonal
1106540360.4933
Perimeter
1916584125
Area
1.7673147404944E+17
Altitude
553270180.24666
Surface area
1.7673147404944E+17
Volume
3.0729369344412E+25
Height
301162140.33377