21971738 (number)

21971738 is an even 8-digits composite number following 21971737 and preceding 21971739. In scientific notation, it is written as 2.1971738 × 10^7. The sum of its digits is 38. It has a total of 2 prime factors and 4 positive divisors. There are 10985868 positive integers (up to 21971738) that are relatively prime to 21971738.

Interesting facts

Basic properties

Name

Name twenty-one million nine hundred seventy-one thousand seven hundred thirty-eight

Notation

Scientific notation 2.1971738 × 10^7
Engineering notation 2.1971738 × 10^6

Prime Factorization of 21971738

Prime Factorization 2 × 10985869

Composite number
ω Distinct Factors 2
Total number of distinct prime factors
Ω Total Factors 2
Total number of prime factors
rad Radical 21971738
Product of the distinct prime numbers

The prime factorization of 21971738 is 2 × 10985869. Since it has a total of 2 prime factors.

Most popular turbo-numbers

6, 8, 40, 49, 822, 780, 3187, 4373, 23546, 56761, 602591, 969625, 1704389, 7880830, 42651855, 45328077, 766450571, 152709084, 5393200657, 6989330878

Basic calculations (n = 21971738)

Multiplication

n×y
n×2 43943476
n×3 65915214
n×4 87886952
n×5 109858690

Division

n÷y
n÷2 10985869
n÷3 7323912.6666667
n÷3 5492934.5
n÷5 4394347.6

Exponentiation

ny
n2 482757270740644
n3 1.0607016270308E+22
n4 2.3305458245296E+29
n5 5.1206142253557E+36

Nth Root

y√n
2√n 4687.40205231
3√n 280.08389492852
4√n 68.464604375619
5√n 29.401729813899

Divisors of 21971738

1, 2, 10985869, 21971738

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 -21971737
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 21971738 can be divided by 4 positive divisors. The sum of these divisors (counting 21971738) is 1, the average is 0.25.

Base conversion 21971738

Base System Value
2 Binary 1010011110100001100011010
3 Ternary 1112100021120002
4 Quaternary 1103310030122
5 Quinary 21111043423
6 Senary 2102533002
8 Octal 123641432
10 Decimal 21971738
12 Duodecimal 7437162
16 Hexadecimal 14f431a
20 Vigesimal 6h696i
36 Base36 d2xi2

Cryptographic Hash Functions

md5 b020f430412c4755b9b2b493dc810dd5
sha1 866fd986d943c4241bbe2f28c30fd6a61f48f513
sha256 cc3601584f9f3fa46f886e39ca767812f8d1abdb8e7220885fe26b4e82b45800
sha512 bc889b691acdec97dae69bc463bf4c47191c1689b8957e43aec80d549ce30904441eea89910f235362ab98f2698f17c89e470efd324751a95506fd4b594385c3
ripemd-160 b50eed35293e33acd20092633e0b2cbc9f90f7a4

21971738 as geometric shapes

Circle

Radius = n
Diameter 43943476
Circumference 138052501.3748
Area 1.5166266952259E+15

Sphere

Radius = n
Volume 4.4430565855078E+22
Surface area 6.0665067809035E+15
Circumference 138052501.3748

Square

Length = n
Perimeter 87886952
Area 482757270740644
Diagonal 31072729.868508

Cube

Length = n
Surface area 2896543624443864
Volume 1.0607016270308E+22
Space diagonal 38056166.546592

Equilateral Triangle

Length = n
Perimeter 65915214
Area 2.0904003016152E+14
Altitude 19028083.273296

Triangular Pyramid

Length = n
Surface area 2.0904003016152E+14
Volume 1.2500488554819E+21
Height 10357576.622836