38205721 (number)

38205721 is an odd 8-digits composite number following 38205720 and preceding 38205722. In scientific notation, it is written as 3.8205721 × 10^7. The sum of its digits is 28. It has a total of 2 prime factors and 4 positive divisors. There are 38185344 positive integers (up to 38205721) that are relatively prime to 38205721.

Interesting facts

Basic properties

Name

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

Notation

Scientific notation 3.8205721 × 10^7
Engineering notation 3.8205721 × 10^6

Prime Factorization of 38205721

Prime Factorization 2089 × 18289

Composite number
ω Distinct Factors 2
Total number of distinct prime factors
Ω Total Factors 2
Total number of prime factors
rad Radical 38205721
Product of the distinct prime numbers

The prime factorization of 38205721 is 2089 × 18289. Since it has a total of 2 prime factors.

Most popular turbo-numbers

Basic calculations (n = 38205721)

Multiplication

n×y
n×2 76411442
n×3 114617163
n×4 152822884
n×5 191028605

Division

n÷y
n÷2 19102860.5
n÷3 12735240.333333
n÷3 9551430.25
n÷5 7641144.2

Exponentiation

ny
n2 1459677117129841
n3 5.5768016687147E+22
n4 2.1306572862725E+30
n5 8.1403297825944E+37

Nth Root

y√n
2√n 6181.0776568492
3√n 336.80314119743
4√n 78.619829921268
5√n 32.841703808618

Divisors of 38205721

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 -38205720
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 38205721 can be divided by 4 positive divisors. The sum of these divisors (counting 38205721) is 1, the average is 0.25.

Base conversion 38205721

Base System Value
2 Binary 10010001101111100100011001
3 Ternary 2122220001101201
4 Quaternary 2101233210121
5 Quinary 34240040341
6 Senary 3442514201
8 Octal 221574431
10 Decimal 38205721
12 Duodecimal 10965961
16 Hexadecimal 246f919
20 Vigesimal bife61
36 Base36 mqvq1

Cryptographic Hash Functions

md5 0a94a804cc54efecb5ee2f4336e3fdff
sha1 17f69c99be8b622364491ced97e16c7300fd2a94
sha256 8c8df80d5a136bc8c14d61d861b20a5d0c8c1760f4b04b33b8de237dab8e1690
sha512 c6e9f093f46e4572335212af7092f0360c5e3ca15c0db2638c45c96887428dafd0bd798d22ba620f8d0c568205c4127efc9559eba9e003b923eb765998614085
ripemd-160 04f9838eb73f12f997a6c50a5895c3c2df8ebd1a

38205721 as geometric shapes

Circle

Radius = n
Diameter 76411442
Circumference 240053624.8374
Area 4.5857109077882E+15

Sphere

Radius = n
Volume 2.3360052203949E+23
Surface area 1.8342843631153E+16
Circumference 240053624.8374

Square

Length = n
Perimeter 152822884
Area 1459677117129841
Diagonal 54031048.798443

Cube

Length = n
Surface area 8758062702779046
Volume 5.5768016687147E+22
Space diagonal 66174249.911801

Equilateral Triangle

Length = n
Perimeter 114617163
Area 6.3205873237864E+14
Altitude 33087124.955901

Triangular Pyramid

Length = n
Surface area 6.3205873237864E+14
Volume 6.5723237954677E+21
Height 18010349.599481