21781341 (number)

21781341 is an odd 8-digits composite number following 21781340 and preceding 21781342. In scientific notation, it is written as 2.1781341 × 10^7. The sum of its digits is 27. It has a total of 4 prime factors and 12 positive divisors. There are 14466816 positive integers (up to 21781341) that are relatively prime to 21781341.

Interesting facts

Basic properties

Name

Name twenty-one million seven hundred eighty-one thousand three hundred forty-one

Notation

Scientific notation 2.1781341 × 10^7
Engineering notation 2.1781341 × 10^6

Prime Factorization of 21781341

Prime Factorization 3 × 3 × 277 × 8737

Composite number
ω Distinct Factors 3
Total number of distinct prime factors
Ω Total Factors 4
Total number of prime factors
rad Radical 7260447
Product of the distinct prime numbers

The prime factorization of 21781341 is 3 × 3 × 277 × 8737. Since it has a total of 4 prime factors.

Most popular turbo-numbers

Basic calculations (n = 21781341)

Multiplication

n×y
n×2 43562682
n×3 65344023
n×4 87125364
n×5 108906705

Division

n÷y
n÷2 10890670.5
n÷3 7260447
n÷3 5445335.25
n÷5 4356268.2

Exponentiation

ny
n2 474426815758281
n3 1.0333652253575E+22
n4 2.2508080351054E+29
n5 4.9025617338171E+36

Nth Root

y√n
2√n 4667.0484248613
3√n 279.27252055644
4√n 68.31579923313
5√n 29.350595884137

Divisors of 21781341

12 divisors

τ Total Divisors 12
Total number of the positive divisors of n
σ Sum of Divisors 1
Sum of all the positive divisors of n
s Aliquot Sum -21781340
Sum of the proper positive divisors of n
A Arithmetic Mean 0.083333333333333
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 12
Returns the total number of divisors (τ(n)) divided by the sum of the reciprocal of each divisors

The number 21781341 can be divided by 12 positive divisors. The sum of these divisors (counting 21781341) is 1, the average is 0.083333333333333.

Base conversion 21781341

Base System Value
2 Binary 1010011000101101101011101
3 Ternary 1111222121101100
4 Quaternary 1103011231131
5 Quinary 21034000331
6 Senary 2054503313
8 Octal 123055535
10 Decimal 21781341
12 Duodecimal 7364b39
16 Hexadecimal 14c5b5d
20 Vigesimal 6g2d71
36 Base36 cyul9

Cryptographic Hash Functions

md5 1811d98c7e5931f8d1c9377cfca26239
sha1 2f5dfc17254a5107b9ccaaeaa87cb01b2de23f8a
sha256 9caa7fb6647d09dc9e82e506340bcc0036cb4f70dc8be7673e5966f68e14ca6d
sha512 b24348824664b2e2ab5d13b839141bb2ba16461d73aee9e216931b840135c35f96e7ffd17596f2d1222943c5c6a2f399149c345b916878d3d0e26ec31b506585
ripemd-160 4813330d205f0988ae2db8e6c203c00ec8c78df7

21781341 as geometric shapes

Circle

Radius = n
Diameter 43562682
Circumference 136856201.74187
Area 1.4904557990522E+15

Sphere

Radius = n
Volume 4.3285501339445E+22
Surface area 5.9618231962089E+15
Circumference 136856201.74187

Square

Length = n
Perimeter 87125364
Area 474426815758281
Diagonal 30803467.848873

Cube

Length = n
Surface area 2846560894549686
Volume 1.0333652253575E+22
Space diagonal 37726389.268983

Equilateral Triangle

Length = n
Perimeter 65344023
Area 2.0543283734162E+14
Altitude 18863194.634492

Triangular Pyramid

Length = n
Surface area 2.0543283734162E+14
Volume 1.2178325971545E+21
Height 10267822.616291