21356723 is an odd 8-digits prime number following 21356722
and preceding 21356724 . In scientific notation, it is written as 2.1356723 × 10^7.
The sum of its digits is 29. It has a total of 1 prime factors and 2 positive divisors.
There are 21356722 positive integers (up to 21356723) that are relatively prime to 21356723.
21356723 has 2 divisors, whose sum is 21356724
The reverse of 21356723 is 32765312
Previous prime number is 1
Is Prime? yes Number parity odd Number length 8 Sum of Digits 29 Digital Root 2
Name
twenty-one million three hundred fifty-six thousand seven hundred twenty-three
Scientific notation
2.1356723 × 10^7
Engineering notation
2.1356723 × 10^6
Prime Factorization
21356723
Composite number
ω Distinct Factors
1 Total number of distinct prime factors
Ω Total Factors
1 Total number of prime factors
rad Radical
21356723 Product of the distinct prime numbers
The prime factorization of 21356723 is 21356723.
Since it has a total of 1 prime factors.
2 , 3 , 63 , 66 , 2 , 350 , 4073 , 9922 , 54437 , 1951 , 187113 , 514885 , 1414365 , 6626325 , 62365281 , 87380877 , 681680044 , 980513615 , 6254031039 , 5001971590
n×2
42713446
n×3
64070169
n×4
85426892
n×5
106783615
n÷2
10678361.5
n÷3
7118907.6666667
n÷3
5339180.75
n÷5
4271344.6
n2
456109617298729
n3
9.741006754285E+21
n4
2.0803598299239E+29
n5
4.4429668628012E+36
2 √n4621.3334655703
3 √n277.44583202646
4 √n67.980390301691
5 √n29.235257471121
2 divisors
τ Total Divisors
2 Total number of the positive divisors of n
σ Sum of Divisors
21356724 Sum of all the positive divisors of n
s Aliquot Sum
1 Sum of the proper positive divisors of n
A Arithmetic Mean
10678362 Returns the sum of divisors (σ(n )) divided by the total number of divisors (τ(n ))
G Geometric Mean
4621.3335737642 Returns the nth root of the product of n divisors
H Harmonic Mean
1.9999999063527 Returns the total number of divisors (τ(n )) divided by the sum of the reciprocal of each divisors
The number 21356723 can be divided by 2 positive divisors.
The sum of these divisors (counting 21356723) is 21356724, the average is 10678362.
Base
System
Value
2
Binary
1010001011110000010110011
3
Ternary
1111012000220202
4
Quaternary
1101132002303
5
Quinary
20431403343
6
Senary
2041425415
8
Octal
121360263
10
Decimal
21356723
12
Duodecimal
719b26b
16
Hexadecimal
145e0b3
20
Vigesimal
6d9bg3
36
Base36
cpqyb
md5
f270b044bf4612ab0da56a3c9c69bab0
sha1
b36c15d2a10e8d2c25f16b2b9170dcab89ad76f1
sha256
4f6335d44b85b6078fa19e80f8dcc9972f153598dfe69fd775f49ccfdcda0ac1
sha512
722849e46974c470e8280dc640eb47ed65bf3a88cb51d57e41cf1106d4529eccc54c648ddb6f6a6dca7532d70e1d7f069c2c286f1d5405a6ea29b50a9092a5dc
ripemd-160
9084eb2e2b505275bfec7d86893db335b9b90dac
Diameter
42713446
Circumference
134188248.1631
Area
1.4329106229373E+15
Volume
4.0803033677107E+22
Surface area
5.7316424917494E+15
Circumference
134188248.1631
Perimeter
85426892
Area
456109617298729
Diagonal
30202967.314445
Surface area
2736657703792374
Volume
9.741006754285E+21
Space diagonal
36990929.319175
Perimeter
64070169
Area
1.9750125774555E+14
Altitude
18495464.659587
Surface area
1.9750125774555E+14
Volume
1.1479886552565E+21
Height
10067655.771482