21103731 (number)

21103731 is an odd 8-digits composite number following 21103730 and preceding 21103732. In scientific notation, it is written as 2.1103731 × 10^7. The sum of its digits is 18. It has a total of 5 prime factors and 18 positive divisors. There are 12789480 positive integers (up to 21103731) that are relatively prime to 21103731.

Interesting facts

Basic properties

Name

Name twenty-one million one hundred three thousand seven hundred thirty-one

Notation

Scientific notation 2.1103731 × 10^7
Engineering notation 2.1103731 × 10^6

Prime Factorization of 21103731

Prime Factorization 3 × 3 × 11 × 11 × 19379

Composite number
ω Distinct Factors 3
Total number of distinct prime factors
Ω Total Factors 5
Total number of prime factors
rad Radical 639507
Product of the distinct prime numbers

The prime factorization of 21103731 is 3 × 3 × 11 × 11 × 19379. Since it has a total of 5 prime factors.

Most popular turbo-numbers

Basic calculations (n = 21103731)

Multiplication

n×y
n×2 42207462
n×3 63311193
n×4 84414924
n×5 105518655

Division

n÷y
n÷2 10551865.5
n÷3 7034577
n÷3 5275932.75
n÷5 4220746.2

Exponentiation

ny
n2 445367462120361
n3 9.3989151167408E+21
n4 1.9835217631553E+29
n5 4.1859709722275E+36

Nth Root

y√n
2√n 4593.879732862
3√n 276.34593516287
4√n 67.778165605614
5√n 29.165662673842

Divisors of 21103731

18 divisors

τ Total Divisors 18
Total number of the positive divisors of n
σ Sum of Divisors 1
Sum of all the positive divisors of n
s Aliquot Sum -21103730
Sum of the proper positive divisors of n
A Arithmetic Mean 0.055555555555556
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 18
Returns the total number of divisors (τ(n)) divided by the sum of the reciprocal of each divisors

The number 21103731 can be divided by 18 positive divisors. The sum of these divisors (counting 21103731) is 1, the average is 0.055555555555556.

Base conversion 21103731

Base System Value
2 Binary 1010000100000010001110011
3 Ternary 1110201011212200
4 Quaternary 1100200101303
5 Quinary 20400304411
6 Senary 2032154243
8 Octal 120402163
10 Decimal 21103731
12 Duodecimal 7098983
16 Hexadecimal 1420473
20 Vigesimal 6bhj6b
36 Base36 ckbqr

Cryptographic Hash Functions

md5 ede83f2f94a0932da18656ad825e3fb4
sha1 94b5cbd99e68b429d60cd65af3ead3a175d2b0e7
sha256 5f4552d0700f54ae6a4be642518a947133cd12f7c8d46c1e484d9036e0cd8793
sha512 ba49a4af90e8a7e9eefa6444c1e5380876a86d99c2698ddcba168bf7e85bc24df25c24caf0f4dc698b173d6c9ce6b0988bb988af41d90623ab39b777e6797b94
ripemd-160 2f04c0930f4f47e81450cf2f8cdd8b1698b8da90

21103731 as geometric shapes

Circle

Radius = n
Diameter 42207462
Circumference 132598652.54587
Area 1.3991631471453E+15

Sphere

Radius = n
Volume 3.9370083576623E+22
Surface area 5.596652588581E+15
Circumference 132598652.54587

Square

Length = n
Perimeter 84414924
Area 445367462120361
Diagonal 29845182.596874

Cube

Length = n
Surface area 2672204772722166
Volume 9.3989151167408E+21
Space diagonal 36552734.321266

Equilateral Triangle

Length = n
Perimeter 63311193
Area 1.9284976810762E+14
Altitude 18276367.160633

Triangular Pyramid

Length = n
Surface area 1.9284976810762E+14
Volume 1.1076727691407E+21
Height 9948394.1989578