21309743 is an odd 8-digits composite number following 21309742
and preceding 21309744 . In scientific notation, it is written as 2.1309743 × 10^7.
The sum of its digits is 29. It has a total of 4 prime factors and 16 positive divisors.
There are 16402176 positive integers (up to 21309743) that are relatively prime to 21309743.
21309743 has 16 divisors, whose sum is 26940480
The reverse of 21309743 is 34790312
Previous prime number is 37
Is Prime? no
Number parity odd
Number length 8
Sum of Digits 29
Digital Root 2
Name
twenty-one million three hundred nine thousand seven hundred forty-three
Scientific notation
2.1309743 × 10^7
Engineering notation
2.1309743 × 10^6
Prime Factorization
7 × 13 × 37 × 6329
Composite number
ω
Distinct Factors
4
Total number of distinct prime factors
Ω
Total Factors
4
Total number of prime factors
rad
Radical
21309743
Product of the distinct prime numbers
The prime factorization of 21309743 is 7 × 13 × 37 × 6329.
Since it has a total of 4 prime factors.
5 , 3 , 61 , 97 , 415 , 470 , 8427 , 5860 , 62367 , 85023 , 33157 , 294634 , 5555174 , 6260593 , 87459984 , 15131753 , 969555144 , 110277157 , 6035906844 , 2118301217
n×2
42619486
n×3
63929229
n×4
85238972
n×5
106548715
n÷2
10654871.5
n÷3
7103247.6666667
n÷3
5327435.75
n÷5
4261948.6
n2
454105146726049
n3
9.6768639717094E+21
n4
2.0621148428309E+29
n5
4.3943137337211E+36
2 √n
4616.2477186564
3 √n
277.24224313823
4 √n
67.942974019808
5 √n
29.222383936862
1 , 7 , 13 , 37 , 91 , 259 , 481 , 3367 , 6329 , 44303 , 82277 , 234173 , 575939 , 1639211 , 3044249 , 21309743
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
-21309742
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 21309743 can be divided by 16 positive divisors.
The sum of these divisors (counting 21309743) is 1, the average is 0.0625.
Base
System
Value
2
Binary
1010001010010100100101111
3
Ternary
1111002122110202
4
Quaternary
1101102210233
5
Quinary
20423402433
6
Senary
2040424115
8
Octal
121224457
10
Decimal
21309743
12
Duodecimal
717803b
16
Hexadecimal
145292f
20
Vigesimal
6d3e73
36
Base36
coqpb
md5
c49e74a83f047c1ae26ed523e4e71941
sha1
bfdd5cfd6b1c73454a16d886b46d30e887da202d
sha256
8c2a9d68a4ccf58a885a0dae9cf6cbc9660af272d8bc220b9ca1f95ab31a039a
sha512
559e68acf6d02e83e54b740dc974a18e796a16487cccb94ee1d34b3f707947c252c28905cb28f85132acffc9b7675ddbab0633805e24fd3c64d527e1980b5a65
ripemd-160
31f356b2dc064145c4015454be84e60ae27b9071
Diameter
42619486
Circumference
133893064.11737
Area
1.4266133929119E+15
Volume
4.0534353017747E+22
Surface area
5.7064535716475E+15
Circumference
133893064.11737
Perimeter
85238972
Area
454105146726049
Diagonal
30136527.561285
Surface area
2724630880356294
Volume
9.6768639717094E+21
Space diagonal
36909557.572235
Perimeter
63929229
Area
1.9663329652701E+14
Altitude
18454778.786118
Surface area
1.9663329652701E+14
Volume
1.1404293558359E+21
Height
10045509.187095