21141821 is an odd 8-digits prime number following 21141820
and preceding 21141822 . In scientific notation, it is written as 2.1141821 × 10^7.
The sum of its digits is 20. It has a total of 1 prime factors and 2 positive divisors.
There are 21141820 positive integers (up to 21141821) that are relatively prime to 21141821.
21141821 has 2 divisors, whose sum is 21141822
The reverse of 21141821 is 12814112
Previous prime number is 1
Is Prime? yes
Number parity odd
Number length 8
Sum of Digits 20
Digital Root 2
Name
twenty-one million one hundred forty-one thousand eight hundred twenty-one
Scientific notation
2.1141821 × 10^7
Engineering notation
2.1141821 × 10^6
Prime Factorization
21141821
Composite number
ω
Distinct Factors
1
Total number of distinct prime factors
Ω
Total Factors
1
Total number of prime factors
rad
Radical
21141821
Product of the distinct prime numbers
The prime factorization of 21141821 is 21141821.
Since it has a total of 1 prime factors.
9 , 7 , 25 , 35 , 672 , 966 , 8030 , 3053 , 89085 , 86020 , 150724 , 864856 , 3500718 , 5917839 , 48692898 , 8457820 , 151605489 , 141869926 , 3609114120 , 9927885728
n×2
42283642
n×3
63425463
n×4
84567284
n×5
105709105
n÷2
10570910.5
n÷3
7047273.6666667
n÷3
5285455.25
n÷5
4228364.2
n2
446976595196041
n3
9.4498991668242E+21
n4
1.9978807665305E+29
n5
4.223883754533E+36
2 √n
4598.0235971556
3 √n
276.51209362131
4 √n
67.808728030805
5 √n
29.176183267773
2 divisors
τ
Total Divisors
2
Total number of the positive divisors of n
σ
Sum of Divisors
21141822
Sum of all the positive divisors of n
s
Aliquot Sum
1
Sum of the proper positive divisors of n
A
Arithmetic Mean
10570911
Returns the sum of divisors (σ(n )) divided by the total number of divisors (τ(n ))
G
Geometric Mean
4598.023705898
Returns the nth root of the product of n divisors
H
Harmonic Mean
1.9999999054008
Returns the total number of divisors (τ(n )) divided by the sum of the reciprocal of each divisors
The number 21141821 can be divided by 2 positive divisors.
The sum of these divisors (counting 21141821) is 21141822, the average is 10570911.
Base
System
Value
2
Binary
1010000101001100100111101
3
Ternary
1110210010010102
4
Quaternary
1100221210331
5
Quinary
20403014241
6
Senary
2033050445
8
Octal
120514475
10
Decimal
21141821
12
Duodecimal
70b6a25
16
Hexadecimal
142993d
20
Vigesimal
6c2eb1
36
Base36
cl54t
md5
679686e5b5d67351477be45659678899
sha1
3d0ea9cd83c1772f91bd1b0625d654901234cac1
sha256
a1b871183f654d087f48200d4068eb403c5035202910e45692cfa13d261804de
sha512
51fa8fa86bdf5872ca97e1711d08e62ff33c951968b3b56c80dbb721c8b877a7c9d6a379b11046331307a48b6687e9047907fda95d270387da6e53cb47d061fd
ripemd-160
2f2b2f78cf3883299661f611a1b8f8b9e12086d6
Diameter
42283642
Circumference
132837979.07422
Area
1.4042183877945E+15
Volume
3.9583645066212E+22
Surface area
5.6168735511778E+15
Circumference
132837979.07422
Perimeter
84567284
Area
446976595196041
Diagonal
29899049.991464
Surface area
2681859571176246
Volume
9.4498991668242E+21
Space diagonal
36618708.136527
Perimeter
63425463
Area
1.9354654316842E+14
Altitude
18309354.068263
Surface area
1.9354654316842E+14
Volume
1.1136812970651E+21
Height
9966349.9971548