38540981 is an odd 8-digits composite number following 38540980
and preceding 38540982 . In scientific notation, it is written as 3.8540981 × 10^7.
The sum of its digits is 38. It has a total of 2 prime factors and 4 positive divisors.
There are 38501100 positive integers (up to 38540981) that are relatively prime to 38540981.
38540981 has 4 divisors, whose sum is 38580864
The reverse of 38540981 is 18904583
Previous prime number is 991
Is Prime? no
Number parity odd
Number length 8
Sum of Digits 38
Digital Root 2
Name
thirty-eight million five hundred forty thousand nine hundred eighty-one
Scientific notation
3.8540981 × 10^7
Engineering notation
3.8540981 × 10^6
Prime Factorization
991 × 38891
Composite number
ω
Distinct Factors
2
Total number of distinct prime factors
Ω
Total Factors
2
Total number of prime factors
rad
Radical
38540981
Product of the distinct prime numbers
The prime factorization of 38540981 is 991 × 38891.
Since it has a total of 2 prime factors.
4 , 2 , 75 , 56 , 432 , 322 , 8201 , 5749 , 85176 , 60903 , 140731 , 434468 , 4946744 , 9490450 , 67348798 , 51564710 , 886852015 , 983386586 , 6455078361 , 1198988276
n×2
77081962
n×3
115622943
n×4
154163924
n×5
192704905
n÷2
19270490.5
n÷3
12846993.666667
n÷3
9635245.25
n÷5
7708196.2
n2
1485407216442361
n3
5.7249051306168E+22
n4
2.206434598659E+30
n5
8.5038153944661E+37
2 √n
6208.1382877639
3 √n
337.78543680774
4 √n
78.791739971674
5 √n
32.899140570076
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
-38540980
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 38540981 can be divided by 4 positive divisors.
The sum of these divisors (counting 38540981) is 1, the average is 0.25.
Base
System
Value
2
Binary
10010011000001011010110101
3
Ternary
2200112002021202
4
Quaternary
2103001122311
5
Quinary
34331302411
6
Senary
3454022245
8
Octal
223013265
10
Decimal
38540981
12
Duodecimal
10aa7985
16
Hexadecimal
24c16b5
20
Vigesimal
c0hc91
36
Base36
my2et
md5
cbfa53400e95c7745691ba75ec7bd28e
sha1
f862a00c9ef491fdb7ff026c507e061531d42136
sha256
41720e08454f535cf3ba26ef0f99515e8f96aa3c5766064d5f79609aabb5719a
sha512
3bdda3e55cd7dffd280ca7f3c49f47ae6cb9eeda155b436cddc3c6736aaa4729fb650288cec3b943a4ffdcaf3aeb355a763b2dfea2bb65b0efd111c8e292f129
ripemd-160
ff854364585a479741e895ea1a39e9ce228722ef
Diameter
77081962
Circumference
242160125.54349
Area
4.6665443987646E+15
Volume
2.3980426534459E+23
Surface area
1.8666177595058E+16
Circumference
242160125.54349
Perimeter
154163924
Area
1485407216442361
Diagonal
54505178.037364
Surface area
8912443298654166
Volume
5.7249051306168E+22
Space diagonal
66754937.265547
Perimeter
115622943
Area
6.4320019220191E+14
Altitude
33377468.632773
Surface area
6.4320019220191E+14
Volume
6.7468653991813E+21
Height
18168392.679121