38449991 is an odd 8-digits composite number following 38449990
and preceding 38449992 . In scientific notation, it is written as 3.8449991 × 10^7.
The sum of its digits is 47. It has a total of 2 prime factors and 4 positive divisors.
There are 38428584 positive integers (up to 38449991) that are relatively prime to 38449991.
38449991 has 4 divisors, whose sum is 38471400
The reverse of 38449991 is 19994483
Previous prime number is 1979
Is Prime? no
Number parity odd
Number length 8
Sum of Digits 47
Digital Root 2
Name
thirty-eight million four hundred forty-nine thousand nine hundred ninety-one
Scientific notation
3.8449991 × 10^7
Engineering notation
3.8449991 × 10^6
Prime Factorization
1979 × 19429
Composite number
ω
Distinct Factors
2
Total number of distinct prime factors
Ω
Total Factors
2
Total number of prime factors
rad
Radical
38449991
Product of the distinct prime numbers
The prime factorization of 38449991 is 1979 × 19429.
Since it has a total of 2 prime factors.
5 , 10 , 97 , 82 , 494 , 324 , 7362 , 5556 , 36320 , 99616 , 203948 , 566422 , 1853100 , 4653653 , 4686199 , 41324962 , 891037105 , 318016839 , 8393276213 , 4994969014
n×2
76899982
n×3
115349973
n×4
153799964
n×5
192249955
n÷2
19224995.5
n÷3
12816663.666667
n÷3
9612497.75
n÷5
7689998.2
n2
1478401807900081
n3
5.6844536208142E+22
n4
2.1856719056022E+30
n5
8.4039065099359E+37
2 √n
6200.8056734589
3 √n
337.51940556001
4 √n
78.745194605505
5 √n
32.883591802894
4 divisors
τ
Total Divisors
4
Total number of the positive divisors of n
σ
Sum of Divisors
1
Sum of all the positive divisors of n
s
Aliquot Sum
-38449990
Sum of the proper positive divisors of n
A
Arithmetic Mean
0.25
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
4
Returns the total number of divisors (τ(n )) divided by the sum of the reciprocal of each divisors
The number 38449991 can be divided by 4 positive divisors.
The sum of these divisors (counting 38449991) is 1, the average is 0.25.
Base
System
Value
2
Binary
10010010101011001101000111
3
Ternary
2200100110110202
4
Quaternary
2102223031013
5
Quinary
34320344431
6
Senary
3452041115
8
Octal
222531507
10
Decimal
38449991
12
Duodecimal
10a6319b
16
Hexadecimal
24ab347
20
Vigesimal
c064jb
36
Base36
mw47b
md5
250253a150bbdc2f74876f14dd2983fc
sha1
bf7c2a24fa3a0452d5b28727cf87aabbe132d5e2
sha256
a89e453d9d260d425262f2403a287c501de7dfd42d0213c5ff37e8c734d9a047
sha512
ce216afc3e8d7b3bcc4daa64bfac8b33fd9a97d508d0caa8c5e315c183bac8164ceb77cfb26a262bcd41cca5f70679b2bfa2c8e209af7f79e38b76c985de8a3a
ripemd-160
6d46797ea44cc8a184e191441e8566f3465af5b9
Diameter
76899982
Circumference
241588418.51239
Area
4.6445362587528E+15
Volume
2.3810983646429E+23
Surface area
1.8578145035011E+16
Circumference
241588418.51239
Perimeter
153799964
Area
1478401807900081
Diagonal
54376498.745323
Surface area
8870410847400486
Volume
5.6844536208142E+22
Space diagonal
66597337.962566
Perimeter
115349973
Area
6.4016676132116E+14
Altitude
33298668.981283
Surface area
6.4016676132116E+14
Volume
6.6991928376969E+21
Height
18125499.581774