21842743 (number)

21842743 is an odd 8-digits composite number following 21842742 and preceding 21842744. In scientific notation, it is written as 2.1842743 × 10^7. The sum of its digits is 31. It has a total of 4 prime factors and 12 positive divisors. There are 20049120 positive integers (up to 21842743) that are relatively prime to 21842743.

Interesting facts

Basic properties

Name

Name twenty-one million eight hundred forty-two thousand seven hundred forty-three

Notation

Scientific notation 2.1842743 × 10^7
Engineering notation 2.1842743 × 10^6

Prime Factorization of 21842743

Prime Factorization 13 × 13 × 307 × 421

Composite number
ω Distinct Factors 3
Total number of distinct prime factors
Ω Total Factors 4
Total number of prime factors
rad Radical 1680211
Product of the distinct prime numbers

The prime factorization of 21842743 is 13 × 13 × 307 × 421. Since it has a total of 4 prime factors.

Most popular turbo-numbers

9, 3, 78, 36, 633, 494, 5160, 5059, 28383, 9126, 312718, 394166, 1385690, 3724389, 14770670, 84573460, 585172610, 439933616, 4211685137, 6459328993

Basic calculations (n = 21842743)

Multiplication

n×y
n×2 43685486
n×3 65528229
n×4 87370972
n×5 109213715

Division

n÷y
n÷2 10921371.5
n÷3 7280914.3333333
n÷3 5460685.75
n÷5 4368548.6

Exponentiation

ny
n2 477105421764049
n3 1.0421291111499E+22
n4 2.2762958347665E+29
n5 4.9720544910775E+36

Nth Root

y√n
2√n 4673.6220429128
3√n 279.53469913532
4√n 68.363894293061
5√n 29.367125229705

Divisors of 21842743

1, 13, 169, 307, 421, 3991, 5473, 51883, 71149, 129247, 1680211, 21842743

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 -21842742
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 21842743 can be divided by 12 positive divisors. The sum of these divisors (counting 21842743) is 1, the average is 0.083333333333333.

Base conversion 21842743

Base System Value
2 Binary 1010011010100101100110111
3 Ternary 1112002201121111
4 Quaternary 1103110230313
5 Quinary 21042431433
6 Senary 2100055451
8 Octal 123245467
10 Decimal 21842743
12 Duodecimal 7394587
16 Hexadecimal 14d4b37
20 Vigesimal 6ga6h3
36 Base36 d05yv

Cryptographic Hash Functions

md5 f83c4abc480099090412e793cdd32e5c
sha1 b3b9b5870d3c4a60476f0b566416964b8c2d6ddf
sha256 656ffe9dd2c0856ac206c8112b489645f4fd69ec3510624fa1e0272745911fce
sha512 b1c15affc6c0ba4b97954e3d21b7549a3d1d47936a2b84c49d1640f1b06e4bb9f3cb1a8185161941a1d7ddb70f247fe30e28166784248798ec386f486c6bf422
ripemd-160 435887966e6be1129f6ebc01a07da0eb0e05d398

21842743 as geometric shapes

Circle

Radius = n
Diameter 43685486
Circumference 137242001.8861
Area 1.4988708880018E+15

Sphere

Radius = n
Volume 4.3652602129073E+22
Surface area 5.9954835520072E+15
Circumference 137242001.8861

Square

Length = n
Perimeter 87370972
Area 477105421764049
Diagonal 30890303.39003

Cube

Length = n
Surface area 2862632530584294
Volume 1.0421291111499E+22
Space diagonal 37832740.652669

Equilateral Triangle

Length = n
Perimeter 65528229
Area 2.0659270776548E+14
Altitude 18916370.326335

Triangular Pyramid

Length = n
Surface area 2.0659270776548E+14
Volume 1.22816093561E+21
Height 10296767.796677