38639931 is an odd 8-digits composite number following 38639930
and preceding 38639932 . In scientific notation, it is written as 3.8639931 × 10^7.
The sum of its digits is 42. It has a total of 4 prime factors and 16 positive divisors.
There are 22399520 positive integers (up to 38639931) that are relatively prime to 38639931.
38639931 has 16 divisors, whose sum is 58648320
The reverse of 38639931 is 13993683
Previous prime number is 23
Is Prime? no
Number parity odd
Number length 8
Sum of Digits 42
Digital Root 6
Name
thirty-eight million six hundred thirty-nine thousand nine hundred thirty-one
Scientific notation
3.8639931 × 10^7
Engineering notation
3.8639931 × 10^6
Prime Factorization
3 × 11 × 23 × 50909
Composite number
ω
Distinct Factors
4
Total number of distinct prime factors
Ω
Total Factors
4
Total number of prime factors
rad
Radical
38639931
Product of the distinct prime numbers
The prime factorization of 38639931 is 3 × 11 × 23 × 50909.
Since it has a total of 4 prime factors.
2 , 7 , 76 , 48 , 9 , 42 , 9861 , 9321 , 14682 , 6669 , 512648 , 940062 , 8390382 , 3954456 , 97886841 , 71685483 , 561155832 , 436933636 , 3933908002 , 3307531409
n×2
77279862
n×3
115919793
n×4
154559724
n×5
193199655
n÷2
19319965.5
n÷3
12879977
n÷3
9659982.75
n÷5
7727986.2
n2
1493044267684761
n3
5.7691127483285E+22
n4
2.2291811852663E+30
n5
8.6135407185189E+37
2 √n
6216.102557069
3 √n
338.07426621064
4 √n
78.842263774381
5 √n
32.916016279437
1 , 3 , 11 , 23 , 33 , 69 , 253 , 759 , 50909 , 152727 , 559999 , 1170907 , 1679997 , 3512721 , 12879977 , 38639931
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
-38639930
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 38639931 can be divided by 16 positive divisors.
The sum of these divisors (counting 38639931) is 1, the average is 0.0625.
Base
System
Value
2
Binary
10010011011001100100111011
3
Ternary
2200201010000120
4
Quaternary
2103121210323
5
Quinary
34342434211
6
Senary
3500104323
8
Octal
223314473
10
Decimal
38639931
12
Duodecimal
10b350a3
16
Hexadecimal
24d993b
20
Vigesimal
c19jgb
36
Base36
n06rf
md5
75e3e882ab25988931b611b46c5b2125
sha1
8d4fec517c974abca83b52674845d223916d489a
sha256
5699fee2fb9d3b618febe0fc534b3ae807af2355a817de847945a97569be5840
sha512
4f0266de8a616e02d7e21f4d20f42c84ccbda6e109b97a1c92e6a7f60cd5a95f1f693afe6b531d68d5a15a89416c77974da48c2234b1f07f998054760089c716
ripemd-160
2aa4995cd60b398f3c68efa50d1872e7cf2727df
Diameter
77279862
Circumference
242781846.72963
Area
4.6905369028428E+15
Volume
2.4165602970507E+23
Surface area
1.8762147611371E+16
Circumference
242781846.72963
Perimeter
154559724
Area
1493044267684761
Diagonal
54645114.469361
Surface area
8958265606108566
Volume
5.7691127483285E+22
Space diagonal
66926323.692956
Perimeter
115919793
Area
6.4650713239487E+14
Altitude
33463161.846478
Surface area
6.4650713239487E+14
Volume
6.798964576288E+21
Height
18215038.156454