21031739 is an odd 8-digits prime number following 21031738
and preceding 21031740 . In scientific notation, it is written as 2.1031739 × 10^7.
The sum of its digits is 26. It has a total of 1 prime factors and 2 positive divisors.
There are 21031738 positive integers (up to 21031739) that are relatively prime to 21031739.
21031739 has 2 divisors, whose sum is 21031740
The reverse of 21031739 is 93713012
Previous prime number is 1
Is Prime? yes
Number parity odd
Number length 8
Sum of Digits 26
Digital Root 8
Name
twenty-one million thirty-one thousand seven hundred thirty-nine
Scientific notation
2.1031739 × 10^7
Engineering notation
2.1031739 × 10^6
Prime Factorization
21031739
Composite number
ω
Distinct Factors
1
Total number of distinct prime factors
Ω
Total Factors
1
Total number of prime factors
rad
Radical
21031739
Product of the distinct prime numbers
The prime factorization of 21031739 is 21031739.
Since it has a total of 1 prime factors.
4 , 9 , 44 , 49 , 396 , 815 , 6541 , 7938 , 97546 , 99143 , 305241 , 476334 , 9107974 , 4078160 , 61261854 , 96746067 , 975918292 , 153126603 , 4452401069 , 6895494214
n×2
42063478
n×3
63095217
n×4
84126956
n×5
105158695
n÷2
10515869.5
n÷3
7010579.6666667
n÷3
5257934.75
n÷5
4206347.8
n2
442334045364121
n3
9.3030541929124E+21
n4
1.9565940768819E+29
n5
4.1150575953926E+36
2 √n
4586.0373962714
3 √n
276.03134052144
4 √n
67.720287922243
5 √n
29.145736667638
2 divisors
τ
Total Divisors
2
Total number of the positive divisors of n
σ
Sum of Divisors
21031740
Sum of all the positive divisors of n
s
Aliquot Sum
1
Sum of the proper positive divisors of n
A
Arithmetic Mean
10515870
Returns the sum of divisors (σ(n )) divided by the total number of divisors (τ(n ))
G
Geometric Mean
4586.037505298
Returns the nth root of the product of n divisors
H
Harmonic Mean
1.9999999049056
Returns the total number of divisors (τ(n )) divided by the sum of the reciprocal of each divisors
The number 21031739 can be divided by 2 positive divisors.
The sum of these divisors (counting 21031739) is 21031740, the average is 10515870.
Base
System
Value
2
Binary
1010000001110101100111011
3
Ternary
1110120112010022
4
Quaternary
1100032230323
5
Quinary
20341003424
6
Senary
2030441055
8
Octal
120165473
10
Decimal
21031739
12
Duodecimal
706318b
16
Hexadecimal
140eb3b
20
Vigesimal
6b8j6j
36
Base36
cis6z
md5
793252943e501068fb6e7b0e70735364
sha1
bbe85b5ffa93e8809410a12d40d8e784760408b7
sha256
f432856cebf54916c2df0d6e1d811ce6150d32988324d5ad3910731d522c030d
sha512
db4e974506768ed96d8b430bf3bde00b3dd264ec48d505646b2eb6c082fbd51d496015531e17fed209b5e8f56b0ea953aba71010e0cfa92e8e7c19abeeba75b5
ripemd-160
41668517ee5954f18b22e8e1352d747a06cb6576
Diameter
42063478
Circumference
132146313.46924
Area
1.3896333873486E+15
Volume
3.8968542277868E+22
Surface area
5.5585335493943E+15
Circumference
132146313.46924
Perimeter
84126956
Area
442334045364121
Diagonal
29743370.534091
Surface area
2654004272184726
Volume
9.3030541929124E+21
Space diagonal
36428040.519528
Perimeter
63095217
Area
1.9153626012203E+14
Altitude
18214020.259764
Surface area
1.9153626012203E+14
Volume
1.0963754509257E+21
Height
9914456.8446971