38639940 is an even 8-digits composite number following 38639939
and preceding 38639941 . In scientific notation, it is written as 3.8639940 × 10^7.
The sum of its digits is 42. It has a total of 5 prime factors and 24 positive divisors.
There are 10254976 positive integers (up to 38639940) that are relatively prime to 38639940.
38639940 has 24 divisors, whose sum is 72471168
The reverse of 38639940 is 04993683
Previous prime number is 227
Is Prime? no
Number parity even
Number length 8
Sum of Digits 42
Digital Root 6
Name
thirty-eight million six hundred thirty-nine thousand nine hundred forty
Scientific notation
3.8639940 × 10^7
Engineering notation
3.8639940 × 10^6
Prime Factorization
2 × 2 × 15 × 227 × 2837
Composite number
ω
Distinct Factors
4
Total number of distinct prime factors
Ω
Total Factors
5
Total number of prime factors
rad
Radical
19319970
Product of the distinct prime numbers
The prime factorization of 38639940 is 2 × 2 × 15 × 227 × 2837.
Since it has a total of 5 prime factors.
6 , 5 , 16 , 26 , 389 , 546 , 8928 , 6994 , 20161 , 51098 , 741534 , 385756 , 7776626 , 6955541 , 42861649 , 58138948 , 53122885 , 614860724 , 6062485183 , 1353678908
n×2
77279880
n×3
115919820
n×4
154559760
n×5
193199700
n÷2
19319970
n÷3
12879980
n÷3
9659985
n÷5
7727988
n2
1493044963203600
n3
5.7691167795489E+22
n4
2.2291832621476E+30
n5
8.6135507498389E+37
2 √n
6216.1032809953
3 √n
338.07429245868
4 √n
78.842268365359
5 √n
32.916017812795
1 , 2 , 4 , 15 , 30 , 60 , 227 , 454 , 908 , 2837 , 3405 , 5674 , 6810 , 11348 , 13620 , 42555 , 85110 , 170220 , 643999 , 1287998 , 2575996 , 9659985 , 19319970 , 38639940
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
-38639939
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 38639940 can be divided by 24 positive divisors.
The sum of these divisors (counting 38639940) is 1, the average is 0.041666666666667.
Base
System
Value
2
Binary
10010011011001100101000100
3
Ternary
2200201010000220
4
Quaternary
2103121211010
5
Quinary
34342434230
6
Senary
3500104340
8
Octal
223314504
10
Decimal
38639940
12
Duodecimal
10b350b0
16
Hexadecimal
24d9944
20
Vigesimal
c19jh0
36
Base36
n06ro
md5
a6cc4662b6a50ed99acf2766bae9c5b3
sha1
511bbd4ccaf35736fdbe8bcbf0eceba6819ab342
sha256
d38b79fd41c7b44a01a9a412a72641ad10c530ee319142d8b56e2e5e46c08449
sha512
db9534596c075df82088e1a87684e7f120897dfdfdb4b14ef505601986f836f8d091d50ebfb35751e197a38ec1261d14e91ca263bab54c8e9896a868aa4dcfd3
ripemd-160
c49be25a789e5ad550458aa826bd78cffe65f676
Diameter
77279880
Circumference
242781903.2783
Area
4.6905390878797E+15
Volume
2.4165619856443E+23
Surface area
1.8762156351519E+16
Circumference
242781903.2783
Perimeter
154559760
Area
1493044963203600
Diagonal
54645127.197283
Surface area
8958269779221600
Volume
5.7691167795489E+22
Space diagonal
66926339.281413
Perimeter
115919820
Area
6.4650743356336E+14
Altitude
33463169.640706
Surface area
6.4650743356336E+14
Volume
6.7989693271269E+21
Height
18215042.399094