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.
21132421 has 8 divisors, whose sum is 22092800
The reverse of 21132421 is 12423112
Previous prime number is 79
Is Prime? no
Number parity odd
Number length 8
Sum of Digits 16
Digital Root 7
Name
twenty-one million one hundred thirty-two thousand four hundred twenty-one
Scientific notation
2.1132421 × 10^7
Engineering notation
2.1132421 × 10^6
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.
5 , 3 , 57 , 23 , 757 , 53 , 347 , 4568 , 32827 , 275 , 1282 , 807623 , 5283537 , 2099895 , 15299440 , 58388035 , 705523665 , 714410408 , 3696918833 , 8012410760
n×2
42264842
n×3
63397263
n×4
84529684
n×5
105662105
n÷2
10566210.5
n÷3
7044140.3333333
n÷3
5283105.25
n÷5
4226484.2
n2
446579217321241
n3
9.437300030283E+21
n4
1.9943299734325E+29
n5
4.2145020611495E+36
2 √n
4597.0013051989
3 √n
276.47110694388
4 √n
67.801189555928
5 √n
29.173588364418
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
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
md5
e6362211c622c263fe754b16bc5dabc9
sha1
ab63aaf85bcf23ff464680811e1ce648678b990e
sha256
9b79cf2bcd5589c4c23c956edb1b3c6e0c41df2c4dba2c611f2b283b6d04f1a4
sha512
11cbda5e2c70bb4b4e11e546df3289ebf400663d8f77181f45d549573f7d1b5e97b6aa735b6317b3491b69424d150ce5f3f32e4d8266f31c4a952fba70483dda
ripemd-160
befe6532e7f6d45ad12f6625e73e06795ef14015
Diameter
42264842
Circumference
132778917.13233
Area
1.4029699883823E+15
Volume
3.953086992648E+22
Surface area
5.6118799535292E+15
Circumference
132778917.13233
Perimeter
84529684
Area
446579217321241
Diagonal
29885756.383978
Surface area
2679475303927446
Volume
9.437300030283E+21
Space diagonal
36602426.858935
Perimeter
63397263
Area
1.9337447350118E+14
Altitude
18301213.429468
Surface area
1.9337447350118E+14
Volume
1.1121964745842E+21
Height
9961918.7946593