21309997 is an odd 8-digits prime number following 21309996
and preceding 21309998 . In scientific notation, it is written as 2.1309997 × 10^7.
The sum of its digits is 40. It has a total of 1 prime factors and 2 positive divisors.
There are 21309996 positive integers (up to 21309997) that are relatively prime to 21309997.
21309997 has 2 divisors, whose sum is 21309998
The reverse of 21309997 is 79990312
Previous prime number is 1
Is Prime? yes
Number parity odd
Number length 8
Sum of Digits 40
Digital Root 4
Name
twenty-one million three hundred nine thousand nine hundred ninety-seven
Scientific notation
2.1309997 × 10^7
Engineering notation
2.1309997 × 10^6
Prime Factorization
21309997
Composite number
ω
Distinct Factors
1
Total number of distinct prime factors
Ω
Total Factors
1
Total number of prime factors
rad
Radical
21309997
Product of the distinct prime numbers
The prime factorization of 21309997 is 21309997.
Since it has a total of 1 prime factors.
4 , 6 , 71 , 43 , 788 , 423 , 4643 , 8920 , 61927 , 10314 , 640313 , 140026 , 9465131 , 8994574 , 27620616 , 78727864 , 295835327 , 800213164 , 8089617583 , 644117012
n×2
42619994
n×3
63929991
n×4
85239988
n×5
106549985
n÷2
10654998.5
n÷3
7103332.3333333
n÷3
5327499.25
n÷5
4261999.4
n2
454115972140009
n3
9.6772100039557E+21
n4
2.0622131615267E+29
n5
4.3945756285494E+36
2 √n
4616.2752300962
3 √n
277.24334465707
4 √n
67.943176479292
5 √n
29.222453599364
2 divisors
τ
Total Divisors
2
Total number of the positive divisors of n
σ
Sum of Divisors
21309998
Sum of all the positive divisors of n
s
Aliquot Sum
1
Sum of the proper positive divisors of n
A
Arithmetic Mean
10654999
Returns the sum of divisors (σ(n )) divided by the total number of divisors (τ(n ))
G
Geometric Mean
4616.2753384087
Returns the nth root of the product of n divisors
H
Harmonic Mean
1.9999999061473
Returns the total number of divisors (τ(n )) divided by the sum of the reciprocal of each divisors
The number 21309997 can be divided by 2 positive divisors.
The sum of these divisors (counting 21309997) is 21309998, the average is 10654999.
Base
System
Value
2
Binary
1010001010010101000101101
3
Ternary
1111002122211011
4
Quaternary
1101102220231
5
Quinary
20423404442
6
Senary
2040425221
8
Octal
121225055
10
Decimal
21309997
12
Duodecimal
7178211
16
Hexadecimal
1452a2d
20
Vigesimal
6d3ejh
36
Base36
coqwd
md5
2b125a1b745876d330156276d9bfb9ca
sha1
846a11e2c283878fa781d56ec32d8cd5763c0233
sha256
f163ee7defab1a00339ada9fa6768fda9ef822983307bb1ef94cf92b9a63e2ee
sha512
e01baf57c41c993077440fa34b832803aa98a06f36c74edc6bcded218e101ad763013b93f38c8952594d8fc16cf41a1d29e54f5072a255d1c928bcdebbada708
ripemd-160
f06787ee155967debb0a082f66f0afbb2a587b51
Diameter
42619994
Circumference
133894660.04644
Area
1.4266474019528E+15
Volume
4.053580247423E+22
Surface area
5.7065896078114E+15
Circumference
133894660.04644
Perimeter
85239988
Area
454115972140009
Diagonal
30136886.77153
Surface area
2724695832840054
Volume
9.6772100039557E+21
Space diagonal
36909997.51314
Perimeter
63929991
Area
1.9663798406876E+14
Altitude
18454998.75657
Surface area
1.9663798406876E+14
Volume
1.1404701361272E+21
Height
10045628.923843