21132421 (number)

21132421 is an odd 8-digits composite number following 21132420 and preceding 21132422. In scientific notation, it is written as 2.1132421 × 10^7. The sum of its digits is 16. It has a total of 3 prime factors and 8 positive divisors. There are 20189520 positive integers (up to 21132421) that are relatively prime to 21132421.

Interesting facts

Basic properties

Name

Name twenty-one million one hundred thirty-two thousand four hundred twenty-one

Notation

Scientific notation 2.1132421 × 10^7
Engineering notation 2.1132421 × 10^6

Prime Factorization of 21132421

Prime Factorization 31 × 79 × 8629

Composite number
ω Distinct Factors 3
Total number of distinct prime factors
Ω Total Factors 3
Total number of prime factors
rad Radical 21132421
Product of the distinct prime numbers

The prime factorization of 21132421 is 31 × 79 × 8629. Since it has a total of 3 prime factors.

Most popular turbo-numbers

Basic calculations (n = 21132421)

Multiplication

n×y
n×2 42264842
n×3 63397263
n×4 84529684
n×5 105662105

Division

n÷y
n÷2 10566210.5
n÷3 7044140.3333333
n÷3 5283105.25
n÷5 4226484.2

Exponentiation

ny
n2 446579217321241
n3 9.437300030283E+21
n4 1.9943299734325E+29
n5 4.2145020611495E+36

Nth Root

y√n
2√n 4597.0013051989
3√n 276.47110694388
4√n 67.801189555928
5√n 29.173588364418

Divisors of 21132421

8 divisors

τ Total Divisors 8
Total number of the positive divisors of n
σ Sum of Divisors 1
Sum of all the positive divisors of n
s Aliquot Sum -21132420
Sum of the proper positive divisors of n
A Arithmetic Mean 0.125
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 8
Returns the total number of divisors (τ(n)) divided by the sum of the reciprocal of each divisors

The number 21132421 can be divided by 8 positive divisors. The sum of these divisors (counting 21132421) is 1, the average is 0.125.

Base conversion 21132421

Base System Value
2 Binary 1010000100111010010000101
3 Ternary 1110202122020021
4 Quaternary 1100213102011
5 Quinary 20402214141
6 Senary 2032535141
8 Octal 120472205
10 Decimal 21132421
12 Duodecimal 70b14b1
16 Hexadecimal 1427485
20 Vigesimal 6c1b11
36 Base36 ckxvp

Cryptographic Hash Functions

md5 e6362211c622c263fe754b16bc5dabc9
sha1 ab63aaf85bcf23ff464680811e1ce648678b990e
sha256 9b79cf2bcd5589c4c23c956edb1b3c6e0c41df2c4dba2c611f2b283b6d04f1a4
sha512 11cbda5e2c70bb4b4e11e546df3289ebf400663d8f77181f45d549573f7d1b5e97b6aa735b6317b3491b69424d150ce5f3f32e4d8266f31c4a952fba70483dda
ripemd-160 befe6532e7f6d45ad12f6625e73e06795ef14015

21132421 as geometric shapes

Circle

Radius = n
Diameter 42264842
Circumference 132778917.13233
Area 1.4029699883823E+15

Sphere

Radius = n
Volume 3.953086992648E+22
Surface area 5.6118799535292E+15
Circumference 132778917.13233

Square

Length = n
Perimeter 84529684
Area 446579217321241
Diagonal 29885756.383978

Cube

Length = n
Surface area 2679475303927446
Volume 9.437300030283E+21
Space diagonal 36602426.858935

Equilateral Triangle

Length = n
Perimeter 63397263
Area 1.9337447350118E+14
Altitude 18301213.429468

Triangular Pyramid

Length = n
Surface area 1.9337447350118E+14
Volume 1.1121964745842E+21
Height 9961918.7946593