21291243 (number)

21291243 is an odd 8-digits composite number following 21291242 and preceding 21291244. In scientific notation, it is written as 2.1291243 × 10^7. The sum of its digits is 24. It has a total of 4 prime factors and 16 positive divisors. There are 13638240 positive integers (up to 21291243) that are relatively prime to 21291243.

Interesting facts

Basic properties

Name

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

Notation

Scientific notation 2.1291243 × 10^7
Engineering notation 2.1291243 × 10^6

Prime Factorization of 21291243

Prime Factorization 3 × 37 × 83 × 2311

Composite number
ω Distinct Factors 4
Total number of distinct prime factors
Ω Total Factors 4
Total number of prime factors
rad Radical 21291243
Product of the distinct prime numbers

The prime factorization of 21291243 is 3 × 37 × 83 × 2311. Since it has a total of 4 prime factors.

Most popular turbo-numbers

2, 8, 22, 82, 734, 346, 9120, 9392, 80065, 44539, 961185, 663263, 2451125, 6237580, 28283730, 57868754, 266700129, 301706053, 7067118724, 6640431795

Basic calculations (n = 21291243)

Multiplication

n×y
n×2 42582486
n×3 63873729
n×4 85164972
n×5 106456215

Division

n÷y
n÷2 10645621.5
n÷3 7097081
n÷3 5322810.75
n÷5 4258248.6

Exponentiation

ny
n2 453317028485049
n3 9.6516830095131E+21
n4 2.0549632831451E+29
n5 4.3752722617521E+36

Nth Root

y√n
2√n 4614.2434916246
3√n 277.1619908572
4√n 67.928223086024
5√n 29.217308306116

Divisors of 21291243

1, 3, 37, 83, 111, 249, 2311, 3071, 6933, 9213, 85507, 191813, 256521, 575439, 7097081, 21291243

16 divisors

τ Total Divisors 16
Total number of the positive divisors of n
σ Sum of Divisors 1
Sum of all the positive divisors of n
s Aliquot Sum -21291242
Sum of the proper positive divisors of n
A Arithmetic Mean 0.0625
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 16
Returns the total number of divisors (τ(n)) divided by the sum of the reciprocal of each divisors

The number 21291243 can be divided by 16 positive divisors. The sum of these divisors (counting 21291243) is 1, the average is 0.0625.

Base conversion 21291243

Base System Value
2 Binary 1010001001110000011101011
3 Ternary 1111001201002120
4 Quaternary 1101032003223
5 Quinary 20422304433
6 Senary 2040202323
8 Octal 121160353
10 Decimal 21291243
12 Duodecimal 71693a3
16 Hexadecimal 144e0eb
20 Vigesimal 6d1823
36 Base36 cocff

Cryptographic Hash Functions

md5 0df20b2541fa38eb30827757ee55000a
sha1 97d0ee073d2d02868608fdee38472a904abc6c00
sha256 621045e97c3320007b852acf9977a35273fc54a0aa49d6df1b7f30b590d89474
sha512 a049fdebf6b99bd857541ad1cbf1f976f0a10ff9957400151bfae907bb289edff2bc2e95f9dc93cad8d85b50a3adfaa6357d34b6b438c8054a15957164f2f561
ripemd-160 ec3322b4319f84e168849057dc0f99e4ddb75750

21291243 as geometric shapes

Circle

Radius = n
Diameter 42582486
Circumference 133776825.18919
Area 1.4241374464358E+15

Sphere

Radius = n
Volume 4.0428875249952E+22
Surface area 5.6965497857431E+15
Circumference 133776825.18919

Square

Length = n
Perimeter 85164972
Area 453317028485049
Diagonal 30110364.610381

Cube

Length = n
Surface area 2719902170910294
Volume 9.6516830095131E+21
Space diagonal 36877514.632295

Equilateral Triangle

Length = n
Perimeter 63873729
Area 1.9629203131806E+14
Altitude 18438757.316148

Triangular Pyramid

Length = n
Surface area 1.9629203131806E+14
Volume 1.1374617509816E+21
Height 10036788.20346