21243743 (number)

21243743 is an odd 8-digits composite number following 21243742 and preceding 21243744. In scientific notation, it is written as 2.1243743 × 10^7. The sum of its digits is 26. It has a total of 2 prime factors and 4 positive divisors. There are 20320080 positive integers (up to 21243743) that are relatively prime to 21243743.

Interesting facts

Basic properties

Name

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

Notation

Scientific notation 2.1243743 × 10^7
Engineering notation 2.1243743 × 10^6

Prime Factorization of 21243743

Prime Factorization 23 × 923641

Composite number
ω Distinct Factors 2
Total number of distinct prime factors
Ω Total Factors 2
Total number of prime factors
rad Radical 21243743
Product of the distinct prime numbers

The prime factorization of 21243743 is 23 × 923641. Since it has a total of 2 prime factors.

Most popular turbo-numbers

9, 2, 9, 70, 991, 730, 1102, 1394, 50560, 95613, 476826, 415443, 8034660, 2787197, 13508241, 40049303, 572020639, 117856585, 6206527940, 6057287553

Basic calculations (n = 21243743)

Multiplication

n×y
n×2 42487486
n×3 63731229
n×4 84974972
n×5 106218715

Division

n÷y
n÷2 10621871.5
n÷3 7081247.6666667
n÷3 5310935.75
n÷5 4248748.6

Exponentiation

ny
n2 451296616650049
n3 9.5872293408832E+21
n4 2.0366863619978E+29
n5 4.3266841645887E+36

Nth Root

y√n
2√n 4609.0935117439
3√n 276.9557245677
4√n 67.890304990801
5√n 29.204260103364

Divisors of 21243743

1, 23, 923641, 21243743

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 -21243742
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 21243743 can be divided by 4 positive divisors. The sum of these divisors (counting 21243743) is 1, the average is 0.25.

Base conversion 21243743

Base System Value
2 Binary 1010001000010011101011111
3 Ternary 1110222021221022
4 Quaternary 1101002131133
5 Quinary 20414244433
6 Senary 2035154355
8 Octal 121023537
10 Decimal 21243743
12 Duodecimal 71459bb
16 Hexadecimal 144275f
20 Vigesimal 6cf973
36 Base36 cnbrz

Cryptographic Hash Functions

md5 107c33c8c217f42d06cf20ceed90191f
sha1 9593451c31df7e9358ae1544ea60666556a1e856
sha256 8124466274926afaac7dd5a671c537dbe4506658541c0a300bb1fa01e4020f64
sha512 ed080a6211f1afb2cda19dfcc8d57b7c31b27a2979733b3dea9e6f64a531a47941f101759caa0ab1b4ef2d28e885288e570cec3e6fa39d14cc159829ec0d57eb
ripemd-160 a79e1f9936cb10c752b58a67792471782fab1f10

21243743 as geometric shapes

Circle

Radius = n
Diameter 42487486
Circumference 133478373.8871
Area 1.4177901354577E+15

Sphere

Radius = n
Volume 4.0158892354132E+22
Surface area 5.6711605418309E+15
Circumference 133478373.8871

Square

Length = n
Perimeter 84974972
Area 451296616650049
Diagonal 30043189.466169

Cube

Length = n
Surface area 2707779699900294
Volume 9.5872293408832E+21
Space diagonal 36795242.218936

Equilateral Triangle

Length = n
Perimeter 63731229
Area 1.9541716733045E+14
Altitude 18397621.109468

Triangular Pyramid

Length = n
Surface area 1.9541716733045E+14
Volume 1.1298658132882E+21
Height 10014396.488723