38781681 (number)

38781681 is an odd 8-digits composite number following 38781680 and preceding 38781682. In scientific notation, it is written as 3.8781681 × 10^7. The sum of its digits is 42. It has a total of 2 prime factors and 4 positive divisors. There are 25854452 positive integers (up to 38781681) that are relatively prime to 38781681.

Interesting facts

Basic properties

Name

Name thirty-eight million seven hundred eighty-one thousand six hundred eighty-one

Notation

Scientific notation 3.8781681 × 10^7
Engineering notation 3.8781681 × 10^6

Prime Factorization of 38781681

Prime Factorization 3 × 12927227

Composite number
ω Distinct Factors 2
Total number of distinct prime factors
Ω Total Factors 2
Total number of prime factors
rad Radical 38781681
Product of the distinct prime numbers

The prime factorization of 38781681 is 3 × 12927227. Since it has a total of 2 prime factors.

Most popular turbo-numbers

Basic calculations (n = 38781681)

Multiplication

n×y
n×2 77563362
n×3 116345043
n×4 155126724
n×5 193908405

Division

n÷y
n÷2 19390840.5
n÷3 12927227
n÷3 9695420.25
n÷5 7756336.2

Exponentiation

ny
n2 1504018781185761
n3 5.8328376589955E+22
n4 2.2620724941595E+30
n5 8.7726973867368E+37

Nth Root

y√n
2√n 6227.4939582468
3√n 338.4871684832
4√n 78.914472425828
5√n 32.940131300274

Divisors of 38781681

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 -38781680
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 38781681 can be divided by 4 positive divisors. The sum of these divisors (counting 38781681) is 1, the average is 0.25.

Base conversion 38781681

Base System Value
2 Binary 10010011111100001011110001
3 Ternary 2200222022110120
4 Quaternary 2103330023301
5 Quinary 34412003211
6 Senary 3503120453
8 Octal 223741361
10 Decimal 38781681
12 Duodecimal 10ba3129
16 Hexadecimal 24fc2f1
20 Vigesimal c27e41
36 Base36 n384x

Cryptographic Hash Functions

md5 45b3d826676f58bc01e35fca1be7081f
sha1 3f604c3d3e8ca83ac65ba280a400c21fb0bb0072
sha256 03e50a6dd52b531164e33db1447ffcf1a6789ccfec3f0f97d5ee744a19aafec3
sha512 947f010c5fac1b6f2674a3b0540184a09e0450fd1621ec8fcb230960621ddb135c92a6f646e83766788b0c0d1a88e8fc29523cfa323d30e8bf65d04eb31cdb32
ripemd-160 18d1a827a0dbd1ff4fddcbe633e363a8890915f6

38781681 as geometric shapes

Circle

Radius = n
Diameter 77563362
Circumference 243672488.24693
Area 4.7250143538343E+15

Sphere

Radius = n
Volume 2.443253325211E+23
Surface area 1.8900057415337E+16
Circumference 243672488.24693

Square

Length = n
Perimeter 155126724
Area 1504018781185761
Diagonal 54845579.241827

Cube

Length = n
Surface area 9024112687114566
Volume 5.8328376589955E+22
Space diagonal 67171841.894929

Equilateral Triangle

Length = n
Perimeter 116345043
Area 6.5125923613789E+14
Altitude 33585920.947464

Triangular Pyramid

Length = n
Surface area 6.5125923613789E+14
Volume 6.8740651037266E+21
Height 18281859.747276