638616620 is an even 9-digits composite number following 638616619
and preceding 638616621 . In scientific notation, it is written as 6.38616620 × 10^8.
The sum of its digits is 38. It has a total of 5 prime factors and 24 positive divisors.
There are 244340096 positive integers (up to 638616620) that are relatively prime to 638616620.
638616620 has 24 divisors, whose sum is 1399404384
The reverse of 638616620 is 026616836
Previous prime number is 23
Is Prime? no
Number parity even
Number length 9
Sum of Digits 38
Digital Root 2
Name
six hundred thirty-eight million six hundred sixteen thousand six hundred twenty
Scientific notation
6.38616620 × 10^8
Engineering notation
6.38616620 × 10^6
Prime Factorization
2 × 2 × 5 × 23 × 1388297
Composite number
ω
Distinct Factors
4
Total number of distinct prime factors
Ω
Total Factors
5
Total number of prime factors
rad
Radical
319308310
Product of the distinct prime numbers
The prime factorization of 638616620 is 2 × 2 × 5 × 23 × 1388297.
Since it has a total of 5 prime factors.
5 , 6 , 17 , 56 , 388 , 684 , 1655 , 4803 , 24163 , 26669 , 449011 , 758763 , 4003195 , 5697297 , 55289977 , 63478811 , 711381915 , 504661466 , 7407959765 , 6607878158
n×2
1277233240
n×3
1915849860
n×4
2554466480
n×5
3193083100
n÷2
319308310
n÷3
212872206.66667
n÷3
159654155
n÷5
127723324
n2
407831187340224400
n3
2.604477743898E+26
n4
1.6632627736734E+35
n5
1.0621872506951E+44
2 √n
25270.865042574
3 √n
861.15251104306
4 √n
158.96812586986
5 √n
57.68302711088
1 , 2 , 4 , 5 , 10 , 20 , 23 , 46 , 92 , 115 , 230 , 460 , 1388297 , 2776594 , 5553188 , 6941485 , 13882970 , 27765940 , 31930831 , 63861662 , 127723324 , 159654155 , 319308310 , 638616620
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
-638616619
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 638616620 can be divided by 24 positive divisors.
The sum of these divisors (counting 638616620) is 1, the average is 0.041666666666667.
Base
System
Value
2
Binary
100110000100001000010000101100
3
Ternary
1122111200002022102
4
Quaternary
212010020100230
5
Quinary
2301441212440
6
Senary
143211434232
8
Octal
4604102054
10
Decimal
638616620
12
Duodecimal
159a55978
16
Hexadecimal
2610842c
20
Vigesimal
9jb71b0
36
Base36
ak7rqk
md5
ffd2b967ec6560902d5bb08ab4e8f742
sha1
23015efc8af7fdf8475cd36bf1ed20599444d2c5
sha256
472e992ac6de3b6cf16a9136ebdd07a5fd3a38a989a55365be36518952d6914e
sha512
70e4af9ad7e3463ad66e187af58f0296e772810d09cd4ddc5d70442d1adb11471e4b5557b090201d5ead2368e65f50abee0729715f39d7e4b18814daede0c885
ripemd-160
cbff8207b52f7f03eddb19332cc76e5ce262ec3b
Diameter
1277233240
Circumference
4012546563.7047
Area
1.2812394620529E+18
Volume
1.0909610862224E+27
Surface area
5.1249578482114E+18
Circumference
4012546563.7047
Perimeter
2554466480
Area
407831187340224400
Diagonal
903140285.16087
Surface area
2446987124041346400
Volume
2.604477743898E+26
Space diagonal
1106116432.3979
Perimeter
1915849860
Area
1.765960843461E+17
Altitude
553058216.19895
Surface area
1.765960843461E+17
Volume
3.0694064569329E+25
Height
301046761.72029