21356743 is an odd 8-digits composite number following 21356742
and preceding 21356744 . In scientific notation, it is written as 2.1356743 × 10^7.
The sum of its digits is 31. It has a total of 2 prime factors and 4 positive divisors.
There are 20100448 positive integers (up to 21356743) that are relatively prime to 21356743.
21356743 has 4 divisors, whose sum is 22613040
The reverse of 21356743 is 34765312
Previous prime number is 17
Is Prime? no
Number parity odd
Number length 8
Sum of Digits 31
Digital Root 4
Name
twenty-one million three hundred fifty-six thousand seven hundred forty-three
Scientific notation
2.1356743 × 10^7
Engineering notation
2.1356743 × 10^6
Prime Factorization
17 × 1256279
Composite number
ω
Distinct Factors
2
Total number of distinct prime factors
Ω
Total Factors
2
Total number of prime factors
rad
Radical
21356743
Product of the distinct prime numbers
The prime factorization of 21356743 is 17 × 1256279.
Since it has a total of 2 prime factors.
5 , 8 , 35 , 99 , 338 , 293 , 1094 , 2712 , 27095 , 90651 , 619423 , 171329 , 1480042 , 8408924 , 89336989 , 77489699 , 169167114 , 307921983 , 2805131614 , 1504545554
n×2
42713486
n×3
64070229
n×4
85426972
n×5
106783715
n÷2
10678371.5
n÷3
7118914.3333333
n÷3
5339185.75
n÷5
4271348.6
n2
456110471568049
n3
9.7410341208876E+21
n4
2.0803676227403E+29
n5
4.4429876664385E+36
2 √n
4621.3356294474
3 √n
277.4459186333
4 √n
67.98040621714
5 √n
29.235262946726
4 divisors
τ
Total Divisors
4
Total number of the positive divisors of n
σ
Sum of Divisors
1
Sum of all the positive divisors of n
s
Aliquot Sum
-21356742
Sum of the proper positive divisors of n
A
Arithmetic Mean
0.25
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
4
Returns the total number of divisors (τ(n )) divided by the sum of the reciprocal of each divisors
The number 21356743 can be divided by 4 positive divisors.
The sum of these divisors (counting 21356743) is 1, the average is 0.25.
Base
System
Value
2
Binary
1010001011110000011000111
3
Ternary
1111012000221111
4
Quaternary
1101132003013
5
Quinary
20431403433
6
Senary
2041425451
8
Octal
121360307
10
Decimal
21356743
12
Duodecimal
719b287
16
Hexadecimal
145e0c7
20
Vigesimal
6d9bh3
36
Base36
cpqyv
md5
19e00cd43c9c390221e75c8e5dd8eedf
sha1
d59b0fccb8a16dd60ce11a9800383f700e729240
sha256
4c4523d150d06ef58aee3b4329c4c8b561966a3abc0428c971377d8aca358899
sha512
a0d63c6f5f8eb5876dd61cec9008e50f5ad422d48235101b8cd0e493fd1b73d6922080068ba374ced2a2c9110b9a229ef0877e1f3d207c379469ecfc03eae4ca
ripemd-160
58d1f6db0728377cf4e4c943f1669b5a515f4a76
Diameter
42713486
Circumference
134188373.82681
Area
1.4329133067036E+15
Volume
4.0803148310064E+22
Surface area
5.7316532268142E+15
Circumference
134188373.82681
Perimeter
85426972
Area
456110471568049
Diagonal
30202995.598717
Surface area
2736662829408294
Volume
9.7410341208876E+21
Space diagonal
36990963.960191
Perimeter
64070229
Area
1.9750162765502E+14
Altitude
18495481.980095
Surface area
1.9750162765502E+14
Volume
1.1479918804415E+21
Height
10067665.199572