21431738 is an even 8-digits composite number following 21431737
and preceding 21431739 . In scientific notation, it is written as 2.1431738 × 10^7.
The sum of its digits is 29. It has a total of 3 prime factors and 8 positive divisors.
There are 10709244 positive integers (up to 21431738) that are relatively prime to 21431738.
21431738 has 8 divisors, whose sum is 32167488
The reverse of 21431738 is 83713412
Previous prime number is 3823
Is Prime? no
Number parity even
Number length 8
Sum of Digits 29
Digital Root 2
Name
twenty-one million four hundred thirty-one thousand seven hundred thirty-eight
Scientific notation
2.1431738 × 10^7
Engineering notation
2.1431738 × 10^6
Prime Factorization
2 × 3823 × 2803
Composite number
ω
Distinct Factors
3
Total number of distinct prime factors
Ω
Total Factors
3
Total number of prime factors
rad
Radical
21431738
Product of the distinct prime numbers
The prime factorization of 21431738 is 2 × 3823 × 2803.
Since it has a total of 3 prime factors.
1 , 1 , 47 , 40 , 313 , 687 , 1928 , 4141 , 98983 , 49152 , 123586 , 235998 , 4930400 , 6493412 , 20848726 , 58408237 , 356225426 , 505972449 , 4402055141 , 7698678856
n×2
42863476
n×3
64295214
n×4
85726952
n×5
107158690
n÷2
10715869
n÷3
7143912.6666667
n÷3
5357934.5
n÷5
4286347.6
n2
459319393700644
n3
9.8440129041111E+21
n4
2.1097430542953E+29
n5
4.5215460386976E+36
2 √n
4629.4425150335
3 √n
277.77029314352
4 √n
68.040006724232
5 √n
29.255766310943
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
-21431737
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 21431738 can be divided by 8 positive divisors.
The sum of these divisors (counting 21431738) is 1, the average is 0.125.
Base
System
Value
2
Binary
1010001110000010110111010
3
Ternary
1111022211211002
4
Quaternary
1101300112322
5
Quinary
20441303423
6
Senary
2043205002
8
Octal
121602672
10
Decimal
21431738
12
Duodecimal
7216762
16
Hexadecimal
14705ba
20
Vigesimal
6dij6i
36
Base36
crcu2
md5
3e4552300f79114458f73a475b332629
sha1
5e193fb75cd6d80121f8b2d8cdbe1a45946f6db8
sha256
f3c36dc99cab554c4560079d4b9155aff7e01014ae18ddffac73ba89738dbd0e
sha512
b336ffae36ee4abeb8757dd6eac81dcff2db0595bebd85bb63b99e06ba121db969a383810bfe58fac4ab6e918bd1a6c6310b835083bb98d6e7e4cf2ec9506a7f
ripemd-160
5671e042df07d7cccc892802607c28f27430a252
Diameter
42863476
Circumference
134659581.30892
Area
1.4429944329013E+15
Volume
4.1234504828531E+22
Surface area
5.771977731605E+15
Circumference
134659581.30892
Perimeter
85726952
Area
459319393700644
Diagonal
30309054.544827
Surface area
2755916362203864
Volume
9.8440129041111E+21
Space diagonal
37120859.110505
Perimeter
64295214
Area
1.9889113169781E+14
Altitude
18560429.555252
Surface area
1.9889113169781E+14
Volume
1.1601280464308E+21
Height
10103018.181609