38940981 (number)

38940981 is an odd 8-digits composite number following 38940980 and preceding 38940982. In scientific notation, it is written as 3.8940981 × 10^7. The sum of its digits is 42. It has a total of 2 prime factors and 4 positive divisors. There are 25960652 positive integers (up to 38940981) that are relatively prime to 38940981.

Interesting facts

Basic properties

Name

Name thirty-eight million nine hundred forty thousand nine hundred eighty-one

Notation

Scientific notation 3.8940981 × 10^7
Engineering notation 3.8940981 × 10^6

Prime Factorization of 38940981

Prime Factorization 3 × 12980327

Composite number
ω Distinct Factors 2
Total number of distinct prime factors
Ω Total Factors 2
Total number of prime factors
rad Radical 38940981
Product of the distinct prime numbers

The prime factorization of 38940981 is 3 × 12980327. Since it has a total of 2 prime factors.

Most popular turbo-numbers

6, 9, 61, 61, 642, 855, 5094, 8108, 35286, 94598, 320193, 882779, 5861358, 646741, 69961783, 96746539, 231453590, 522434771, 8227800358, 7579005499

Basic calculations (n = 38940981)

Multiplication

n×y
n×2 77881962
n×3 116822943
n×4 155763924
n×5 194704905

Division

n÷y
n÷2 19470490.5
n÷3 12980327
n÷3 9735245.25
n÷5 7788196.2

Exponentiation

ny
n2 1516400001242361
n3 5.9050103636779E+22
n4 2.2994689637678E+30
n5 8.9543577228173E+37

Nth Root

y√n
2√n 6240.2709075809
3√n 338.94999305877
4√n 78.99538535624
5√n 32.9671479861

Divisors of 38940981

1, 3, 12980327, 38940981

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 -38940980
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 38940981 can be divided by 4 positive divisors. The sum of these divisors (counting 38940981) is 1, the average is 0.25.

Base conversion 38940981

Base System Value
2 Binary 10010100100011000100110101
3 Ternary 2201021101222120
4 Quaternary 2110203010311
5 Quinary 34432102411
6 Senary 3510350153
8 Octal 224430465
10 Decimal 38940981
12 Duodecimal 1105b359
16 Hexadecimal 2523135
20 Vigesimal c37c91
36 Base36 n6n1x

Cryptographic Hash Functions

md5 f8d280a4ee750b6fee646c35ce7ce1fd
sha1 f545997e7638234ec3fcfbb3a704850e52ef9c1c
sha256 1f254bf3af884f5efb01b121641670e300da1a771f0e0560e4a3800bf4cdb3bc
sha512 0443f5fb5000bf87984406ca6f4715f8f7f61fe97b66e9f7f153fab86920cc5316fa54f9522ef132a154b71390cfdf0ffd86c40f385efc63a9af47e578f6cef1
ripemd-160 21e628b13daeeab3bd611540c36bca41acdb1e8c

38940981 as geometric shapes

Circle

Radius = n
Diameter 77881962
Circumference 244673399.66636
Area 4.7639111038066E+15

Sphere

Radius = n
Volume 2.4734849570536E+23
Surface area 1.9055644415226E+16
Circumference 244673399.66636

Square

Length = n
Perimeter 155763924
Area 1516400001242361
Diagonal 55070863.462313

Cube

Length = n
Surface area 9098400007454166
Volume 5.9050103636779E+22
Space diagonal 67447757.588574

Equilateral Triangle

Length = n
Perimeter 116822943
Area 6.5662046168732E+14
Altitude 33723878.794287

Triangular Pyramid

Length = n
Surface area 6.5662046168732E+14
Volume 6.9591214518891E+21
Height 18356954.487438