20211491 is an odd 8-digits prime number following 20211490
and preceding 20211492 . In scientific notation, it is written as 2.0211491 × 10^7.
The sum of its digits is 20. It has a total of 1 prime factors and 2 positive divisors.
There are 20211490 positive integers (up to 20211491) that are relatively prime to 20211491.
20211491 has 2 divisors, whose sum is 20211492
The reverse of 20211491 is 19411202
Previous prime number is 1
Is Prime? yes
Number parity odd
Number length 8
Sum of Digits 20
Digital Root 2
Name
twenty million two hundred eleven thousand four hundred ninety-one
Scientific notation
2.0211491 × 10^7
Engineering notation
2.0211491 × 10^6
Prime Factorization
20211491
Composite number
ω
Distinct Factors
1
Total number of distinct prime factors
Ω
Total Factors
1
Total number of prime factors
rad
Radical
20211491
Product of the distinct prime numbers
The prime factorization of 20211491 is 20211491.
Since it has a total of 1 prime factors.
8 , 6 , 43 , 65 , 871 , 107 , 3400 , 4910 , 77329 , 3512 , 269310 , 984150 , 6132905 , 1136063 , 18847980 , 24341664 , 701202502 , 755209472 , 1555527501 , 5268816591
n×2
40422982
n×3
60634473
n×4
80845964
n×5
101057455
n÷2
10105745.5
n÷3
6737163.6666667
n÷3
5052872.75
n÷5
4042298.2
n2
408504368443081
n3
8.256482366248E+21
n4
1.6687581903708E+29
n5
3.3728091145856E+36
2 √n
4495.7191860702
3 √n
272.39520028085
4 √n
67.050124429938
5 √n
28.914765234091
2 divisors
τ
Total Divisors
2
Total number of the positive divisors of n
σ
Sum of Divisors
20211492
Sum of all the positive divisors of n
s
Aliquot Sum
1
Sum of the proper positive divisors of n
A
Arithmetic Mean
10105746
Returns the sum of divisors (σ(n )) divided by the total number of divisors (τ(n ))
G
Geometric Mean
4495.7192972871
Returns the nth root of the product of n divisors
H
Harmonic Mean
1.9999999010464
Returns the total number of divisors (τ(n )) divided by the sum of the reciprocal of each divisors
The number 20211491 can be divided by 2 positive divisors.
The sum of these divisors (counting 20211491) is 20211492, the average is 10105746.
Base
System
Value
2
Binary
1001101000110011100100011
3
Ternary
1102000211221202
4
Quaternary
1031012130203
5
Quinary
20133231431
6
Senary
2001111415
8
Octal
115063443
10
Decimal
20211491
12
Duodecimal
692856b
16
Hexadecimal
1346723
20
Vigesimal
6668eb
36
Base36
c17ab
md5
0e4a265a2ee819e4cc9d8427df28b5b3
sha1
cf5cc69d7653024d63d7a7539a503cb0fc0137c9
sha256
289fb6e05319e9a8c66d408acca41cffaea1cc504dd049135013ea5379211c76
sha512
afc7f28a8f515ea8a2fa2ad2604ed1ac3f4217fcc5718a1a8bbd2d7d5fb98ec4efe4a900fd38d91cb43b319a2fc37365d791fd8b73e11659efc12b8935bfb223
ripemd-160
66927c1c4305dc536eaba1ab262c417c1bc8d1d9
Diameter
40422982
Circumference
126992543.28739
Area
1.2833543228601E+15
Volume
3.4584672461731E+22
Surface area
5.1334172914405E+15
Circumference
126992543.28739
Perimeter
80845964
Area
408504368443081
Diagonal
28583364.687982
Surface area
2451026210658486
Volume
8.256482366248E+21
Space diagonal
35007329.308721
Perimeter
60634473
Area
1.7688758031431E+14
Altitude
17503664.654361
Surface area
1.7688758031431E+14
Volume
9.7303577832019E+20
Height
9527788.2293273