38639985 is an odd 8-digits composite number following 38639984
and preceding 38639986 . In scientific notation, it is written as 3.8639985 × 10^7.
The sum of its digits is 51. It has a total of 4 prime factors and 16 positive divisors.
There are 20258240 positive integers (up to 38639985) that are relatively prime to 38639985.
38639985 has 16 divisors, whose sum is 62873280
The reverse of 38639985 is 58993683
Previous prime number is 59
Is Prime? no
Number parity odd
Number length 8
Sum of Digits 51
Digital Root 6
Name
thirty-eight million six hundred thirty-nine thousand nine hundred eighty-five
Scientific notation
3.8639985 × 10^7
Engineering notation
3.8639985 × 10^6
Prime Factorization
3 × 5 × 59 × 43661
Composite number
ω
Distinct Factors
4
Total number of distinct prime factors
Ω
Total Factors
4
Total number of prime factors
rad
Radical
38639985
Product of the distinct prime numbers
The prime factorization of 38639985 is 3 × 5 × 59 × 43661.
Since it has a total of 4 prime factors.
4 , 10 , 81 , 52 , 256 , 533 , 259 , 1145 , 54985 , 33510 , 952879 , 971878 , 2655932 , 6949882 , 29660727 , 10628813 , 921132257 , 228308938 , 5910166385 , 9251704330
n×2
77279970
n×3
115919955
n×4
154559940
n×5
193199925
n÷2
19319992.5
n÷3
12879995
n÷3
9659996.25
n÷5
7727997
n2
1493048440800225
n3
5.7691369356794E+22
n4
2.229193646576E+30
n5
8.6136009065791E+37
2 √n
6216.1069006252
3 √n
338.07442369886
4 √n
78.842291320237
5 √n
32.916025479577
1 , 3 , 5 , 15 , 59 , 177 , 295 , 885 , 43661 , 130983 , 218305 , 654915 , 2575999 , 7727997 , 12879995 , 38639985
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
-38639984
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 38639985 can be divided by 16 positive divisors.
The sum of these divisors (counting 38639985) is 1, the average is 0.0625.
Base
System
Value
2
Binary
10010011011001100101110001
3
Ternary
2200201010002120
4
Quaternary
2103121211301
5
Quinary
34342434420
6
Senary
3500104453
8
Octal
223314561
10
Decimal
38639985
12
Duodecimal
10b35129
16
Hexadecimal
24d9971
20
Vigesimal
c19jj5
36
Base36
n06sx
md5
ad1822207853af83bf709e618734131c
sha1
131cc814ddccdcc9af9efd8b01534efc739f5637
sha256
d6e69dc661f57c021408ee9659c553462b7666de2e942ba1d90f3cd6f9e93b3a
sha512
5864243f30a311df8edc2e85a9751ba3bb157cf04b1e429a9a03472e6f644181ec936eda94e48014bb66f8f38683bbff1abbede7cd1ca18e82d480dd1420374f
ripemd-160
3f4676b885a97d412ceb859eb50f8ee1243551eb
Diameter
77279970
Circumference
242782186.02164
Area
4.6905500130717E+15
Volume
2.4165704286245E+23
Surface area
1.8762200052287E+16
Circumference
242782186.02164
Perimeter
154559940
Area
1493048440800225
Diagonal
54645190.836893
Surface area
8958290644801350
Volume
5.7691369356794E+22
Space diagonal
66926417.223699
Perimeter
115919955
Area
6.4650893940687E+14
Altitude
33463208.61185
Surface area
6.4650893940687E+14
Volume
6.7989930813545E+21
Height
18215063.612298