21127745 (number)

21127745 is an odd 8-digits composite number following 21127744 and preceding 21127746. In scientific notation, it is written as 2.1127745 × 10^7. The sum of its digits is 29. It has a total of 2 prime factors and 4 positive divisors. There are 16902192 positive integers (up to 21127745) that are relatively prime to 21127745.

Interesting facts

Basic properties

Name

Name twenty-one million one hundred twenty-seven thousand seven hundred forty-five

Notation

Scientific notation 2.1127745 × 10^7
Engineering notation 2.1127745 × 10^6

Prime Factorization of 21127745

Prime Factorization 5 × 4225549

Composite number
ω Distinct Factors 2
Total number of distinct prime factors
Ω Total Factors 2
Total number of prime factors
rad Radical 21127745
Product of the distinct prime numbers

The prime factorization of 21127745 is 5 × 4225549. Since it has a total of 2 prime factors.

Most popular turbo-numbers

Basic calculations (n = 21127745)

Multiplication

n×y
n×2 42255490
n×3 63383235
n×4 84510980
n×5 105638725

Division

n÷y
n÷2 10563872.5
n÷3 7042581.6666667
n÷3 5281936.25
n÷5 4225549

Exponentiation

ny
n2 446381608785025
n3 9.4310368030998E+21
n4 1.9925654066151E+29
n5 4.2098413806785E+36

Nth Root

y√n
2√n 4596.4926846455
3√n 276.45071372502
4√n 67.797438628945
5√n 29.17229719409

Divisors of 21127745

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 -21127744
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 21127745 can be divided by 4 positive divisors. The sum of these divisors (counting 21127745) is 1, the average is 0.25.

Base conversion 21127745

Base System Value
2 Binary 1010000100110001001000001
3 Ternary 1110202101211002
4 Quaternary 1100212021001
5 Quinary 20402041440
6 Senary 2032501345
8 Octal 120461101
10 Decimal 21127745
12 Duodecimal 70aa855
16 Hexadecimal 1426241
20 Vigesimal 6c0j75
36 Base36 cku9t

Cryptographic Hash Functions

md5 a360749bff5e4996876821d809418ea5
sha1 5c8b69fc8d4be0bd1b29df3819cf3ab3c6ebb995
sha256 a9d4d83a1cf53796e024fd4c42a1174ee771511ad5bbda8967e43d9970251757
sha512 6df4057cef3c2f4b52a4b46ae78a046cb0127c12045ee00f93c757c070da3fa114b40e232195c7ea5ed3d7ff3c511938fc557c378498c200c34fdf324e867a57
ripemd-160 0d568f0d5d6607821d27bd1e52d79515e63a9f89

21127745 as geometric shapes

Circle

Radius = n
Diameter 42255490
Circumference 132749536.95784
Area 1.4023491828566E+15

Sphere

Radius = n
Volume 3.9504634581804E+22
Surface area 5.6093967314265E+15
Circumference 132749536.95784

Square

Length = n
Perimeter 84510980
Area 446381608785025
Diagonal 29879143.52136

Cube

Length = n
Surface area 2678289652710150
Volume 9.4310368030998E+21
Space diagonal 36594327.789359

Equilateral Triangle

Length = n
Perimeter 63383235
Area 1.93288906495E+14
Altitude 18297163.89468

Triangular Pyramid

Length = n
Surface area 1.93288906495E+14
Volume 1.111458346182E+21
Height 9959714.5071201