638625 is an odd 6-digits composite number following 638624
and preceding 638626 . In scientific notation, it is written as 6.38625 × 10^5.
The sum of its digits is 30. It has a total of 4 prime factors and 16 positive divisors.
There are 312000 positive integers (up to 638625) that are relatively prime to 638625.
638625 has 16 divisors, whose sum is 768768
The reverse of 638625 is 526836
Previous prime number is 13
Is Prime? no
Number parity odd
Number length 6
Sum of Digits 30
Digital Root 3
Name
six hundred thirty-eight thousand six hundred twenty-five
Scientific notation
6.38625 × 10^5
Engineering notation
6.38625 × 10^3
Prime Factorization
15 × 25 × 13 × 131
Composite number
ω
Distinct Factors
4
Total number of distinct prime factors
Ω
Total Factors
4
Total number of prime factors
rad
Radical
638625
Product of the distinct prime numbers
The prime factorization of 638625 is 15 × 25 × 13 × 131.
Since it has a total of 4 prime factors.
3 , 2 , 33 , 5 , 131 , 936 , 14 , 2250 , 17474 , 35908 , 213866 , 627244 , 752847 , 1314602 , 87713181 , 30878079 , 46153600 , 364850736 , 5236522372 , 4817894789
n×2
1277250
n×3
1915875
n×4
2554500
n×5
3193125
n÷2
319312.5
n÷3
212875
n÷3
159656.25
n÷5
127725
n2
407841890625
n3
260458027400390625
n4
1.6633500774857E+23
n5
1.0622569432343E+29
2 √n
799.14016292513
3 √n
86.115627774035
4 √n
28.269067245403
5 √n
14.489359338727
1 , 13 , 15 , 25 , 131 , 195 , 325 , 375 , 1703 , 1965 , 3275 , 4875 , 25545 , 42575 , 49125 , 638625
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
-638624
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 638625 can be divided by 16 positive divisors.
The sum of these divisors (counting 638625) is 1, the average is 0.0625.
Base
System
Value
2
Binary
10011011111010100001
3
Ternary
1012110000210
4
Quaternary
2123322201
5
Quinary
130414000
6
Senary
21404333
8
Octal
2337241
10
Decimal
638625
12
Duodecimal
2696a9
16
Hexadecimal
9bea1
20
Vigesimal
3jgb5
36
Base36
dorl
md5
5d93cdb1a6bdad320dee3af03069169c
sha1
941f1cd5a68f8f3d44da176cdecfa220e47c2ef4
sha256
e65c2ae77c1174805b48e73d388d078ca0df7a1826e9f0a971a4f2adc435a228
sha512
fa1e9c401a73ff28a71f9ac0a1b10eea7252340f9574f902a7beb71d542137277828b0238efda5a602035c897a1fcbab7d6b6ed771a82d7901b909b7f8b9e2eb
ripemd-160
c8afa85543a94f16ff4bb2542a11bd1be6edb8c7
Diameter
1277250
Circumference
4012599.2167976
Area
1281273087413.7
Volume
1.0910040339327E+18
Surface area
5125092349654.7
Circumference
4012599.2167976
Perimeter
2554500
Area
407841890625
Diagonal
903152.13627052
Surface area
2447051343750
Volume
260458027400390625
Space diagonal
1106130.9469837
Perimeter
1915875
Area
176600719004.36
Altitude
553065.47349184
Surface area
176600719004.36
Volume
3.0695272898215E+16
Height
301050.71209017