38405721 (number)

38405721 is an odd 8-digits composite number following 38405720 and preceding 38405722. In scientific notation, it is written as 3.8405721 × 10^7. The sum of its digits is 30. It has a total of 3 prime factors and 8 positive divisors. There are 25058960 positive integers (up to 38405721) that are relatively prime to 38405721.

Interesting facts

Basic properties

Name

Name thirty-eight million four hundred five thousand seven hundred twenty-one

Notation

Scientific notation 3.8405721 × 10^7
Engineering notation 3.8405721 × 10^6

Prime Factorization of 38405721

Prime Factorization 3 × 47 × 272381

Composite number
ω Distinct Factors 3
Total number of distinct prime factors
Ω Total Factors 3
Total number of prime factors
rad Radical 38405721
Product of the distinct prime numbers

The prime factorization of 38405721 is 3 × 47 × 272381. Since it has a total of 3 prime factors.

Most popular turbo-numbers

Basic calculations (n = 38405721)

Multiplication

n×y
n×2 76811442
n×3 115217163
n×4 153622884
n×5 192028605

Division

n÷y
n÷2 19202860.5
n÷3 12801907
n÷3 9601430.25
n÷5 7681144.2

Exponentiation

ny
n2 1474999405529841
n3 5.6648415643945E+22
n4 2.1756232463134E+30
n5 8.3556379399026E+37

Nth Root

y√n
2√n 6197.2349479425
3√n 337.38981972718
4√n 78.722518683935
5√n 32.876016105329

Divisors of 38405721

8 divisors

τ Total Divisors 8
Total number of the positive divisors of n
σ Sum of Divisors 1
Sum of all the positive divisors of n
s Aliquot Sum -38405720
Sum of the proper positive divisors of n
A Arithmetic Mean 0.125
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 8
Returns the total number of divisors (τ(n)) divided by the sum of the reciprocal of each divisors

The number 38405721 can be divided by 8 positive divisors. The sum of these divisors (counting 38405721) is 1, the average is 0.125.

Base conversion 38405721

Base System Value
2 Binary 10010010100000011001011001
3 Ternary 2200021012202010
4 Quaternary 2102200121121
5 Quinary 34312440341
6 Senary 3451100133
8 Octal 222403131
10 Decimal 38405721
12 Duodecimal 10a41649
16 Hexadecimal 24a0659
20 Vigesimal c00e61
36 Base36 mv61l

Cryptographic Hash Functions

md5 ed6b6f27d1526007b4f90540de84e3b9
sha1 6930ccc0e295113663e4b1960768e3fb8ed98ded
sha256 1d688b7f28075a687518d8dfc97a1d2181fd7876972d0a024123f6b77a628ea4
sha512 9f60615ea4c4ace60197624937a7c6d1c5a4d23c03a89bf860b29f77386dd7f15bb18f0012934f6378cab530ad72aab3d6a282cf5923b694fac79206678ef462
ripemd-160 fb503ca4a2e1523e2303c1cd6f9b095cb6a92c7c

38405721 as geometric shapes

Circle

Radius = n
Diameter 76811442
Circumference 241310261.89884
Area 4.6338472964619E+15

Sphere

Radius = n
Volume 2.3728832856602E+23
Surface area 1.8535389185847E+16
Circumference 241310261.89884

Square

Length = n
Perimeter 153622884
Area 1474999405529841
Diagonal 54313891.510917

Cube

Length = n
Surface area 8849996433179046
Volume 5.6648415643945E+22
Space diagonal 66520660.073315

Equilateral Triangle

Length = n
Perimeter 115217163
Area 6.3869347787789E+14
Altitude 33260330.036657

Triangular Pyramid

Length = n
Surface area 6.3869347787789E+14
Volume 6.6760798075513E+21
Height 18104630.503639