21431423 is an odd 8-digits composite number following 21431422
and preceding 21431424 . In scientific notation, it is written as 2.1431423 × 10^7.
The sum of its digits is 20. It has a total of 4 prime factors and 16 positive divisors.
There are 18779904 positive integers (up to 21431423) that are relatively prime to 21431423.
21431423 has 16 divisors, whose sum is 24265920
The reverse of 21431423 is 32413412
Previous prime number is 313
Is Prime? no
Number parity odd
Number length 8
Sum of Digits 20
Digital Root 2
Name
twenty-one million four hundred thirty-one thousand four hundred twenty-three
Scientific notation
2.1431423 × 10^7
Engineering notation
2.1431423 × 10^6
Prime Factorization
13 × 23 × 313 × 229
Composite number
ω
Distinct Factors
4
Total number of distinct prime factors
Ω
Total Factors
4
Total number of prime factors
rad
Radical
21431423
Product of the distinct prime numbers
The prime factorization of 21431423 is 13 × 23 × 313 × 229.
Since it has a total of 4 prime factors.
7 , 7 , 51 , 56 , 42 , 460 , 7279 , 5949 , 39083 , 22328 , 397844 , 754760 , 4844991 , 8190122 , 16774032 , 80517732 , 268840788 , 532975772 , 8017937448 , 4944145116
n×2
42862846
n×3
64294269
n×4
85725692
n×5
107157115
n÷2
10715711.5
n÷3
7143807.6666667
n÷3
5357855.75
n÷5
4286284.6
n2
459305891804929
n3
9.8435788536637E+21
n4
2.1096190224672E+29
n5
4.5212137639341E+36
2 √n
4629.4084935335
3 √n
277.76893226351
4 √n
68.039756712774
5 √n
29.255680311193
1 , 13 , 23 , 229 , 299 , 313 , 2977 , 4069 , 5267 , 7199 , 68471 , 71677 , 93587 , 931801 , 1648571 , 21431423
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
-21431422
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 21431423 can be divided by 16 positive divisors.
The sum of these divisors (counting 21431423) is 1, the average is 0.0625.
Base
System
Value
2
Binary
1010001110000010001111111
3
Ternary
1111022211101102
4
Quaternary
1101300101333
5
Quinary
20441301143
6
Senary
2043203315
8
Octal
121602177
10
Decimal
21431423
12
Duodecimal
721653b
16
Hexadecimal
147047f
20
Vigesimal
6diib3
36
Base36
crclb
md5
2a5310362824c655405433edfd75daf2
sha1
c8594b0760236c42c6611576d17576ad3318fab6
sha256
435df965fff8b6aff180184514e20a9ae747bad02a566889a195850b85f9b64c
sha512
1ed0743c3d192a1d6c9f4876d5adc400965c3edecb885fc6723c3bd6fd7a35838bccaffe87fe94d668674950b7159edbe5b496759c1702ab90d97e7ddfc152e5
ripemd-160
51dab827083a748cc547158d5a75d245a0857ffe
Diameter
42862846
Circumference
134657602.10555
Area
1.4429520154449E+15
Volume
4.1232686682269E+22
Surface area
5.7718080617795E+15
Circumference
134657602.10555
Perimeter
85725692
Area
459305891804929
Diagonal
30308609.067555
Surface area
2755835350829574
Volume
9.8435788536637E+21
Space diagonal
37120313.5145
Perimeter
64294269
Area
1.9888528520547E+14
Altitude
18560156.75725
Surface area
1.9888528520547E+14
Volume
1.160076893095E+21
Height
10102869.689185