20211451 is an odd 8-digits composite number following 20211450
and preceding 20211452 . In scientific notation, it is written as 2.0211451 × 10^7.
The sum of its digits is 16. It has a total of 3 prime factors and 8 positive divisors.
There are 18584640 positive integers (up to 20211451) that are relatively prime to 20211451.
20211451 has 8 divisors, whose sum is 21850304
The reverse of 20211451 is 15411202
Previous prime number is 271
Is Prime? no
Number parity odd
Number length 8
Sum of Digits 16
Digital Root 7
Name
twenty million two hundred eleven thousand four hundred fifty-one
Scientific notation
2.0211451 × 10^7
Engineering notation
2.0211451 × 10^6
Prime Factorization
13 × 271 × 5737
Composite number
ω
Distinct Factors
3
Total number of distinct prime factors
Ω
Total Factors
3
Total number of prime factors
rad
Radical
20211451
Product of the distinct prime numbers
The prime factorization of 20211451 is 13 × 271 × 5737.
Since it has a total of 3 prime factors.
8 , 5 , 86 , 55 , 244 , 550 , 7037 , 492 , 98343 , 23340 , 488147 , 444320 , 2008925 , 9184433 , 23405141 , 25922124 , 364245150 , 595834546 , 1843834278 , 4763288897
n×2
40422902
n×3
60634353
n×4
80845804
n×5
101057255
n÷2
10105725.5
n÷3
6737150.3333333
n÷3
5052862.75
n÷5
4042290.2
n2
408502751525401
n3
8.2564333458208E+21
n4
1.6687449800382E+29
n5
3.3727757395539E+36
2 √n
4495.7147373916
3 √n
272.39502058414
4 √n
67.050091255655
5 √n
28.9147537892
8 divisors
τ
Total Divisors
8
Total number of the positive divisors of n
σ
Sum of Divisors
1
Sum of all the positive divisors of n
s
Aliquot Sum
-20211450
Sum of the proper positive divisors of n
A
Arithmetic Mean
0.125
Returns the sum of divisors (σ(n )) divided by the total number of divisors (τ(n ))
G
Geometric Mean
1
Returns the nth root of the product of n divisors
H
Harmonic Mean
8
Returns the total number of divisors (τ(n )) divided by the sum of the reciprocal of each divisors
The number 20211451 can be divided by 8 positive divisors.
The sum of these divisors (counting 20211451) is 1, the average is 0.125.
Base
System
Value
2
Binary
1001101000110011011111011
3
Ternary
1102000211220021
4
Quaternary
1031012123323
5
Quinary
20133231301
6
Senary
2001111311
8
Octal
115063373
10
Decimal
20211451
12
Duodecimal
6928537
16
Hexadecimal
13466fb
20
Vigesimal
6668cb
36
Base36
c1797
md5
f2a3d8d05412b16f92dbe5236e2f62e0
sha1
0a6c9b53574b33b0fadf944fd809a1f1dcdf6fde
sha256
7e607db54b1cad66b1a46b80a82aeda9d257c482d85229dd224105186d5be815
sha512
eefefbad0026d787f4c6e88a17b1c1604957a5451fc160f8a26ef780b8a5ce85c13d276d71b60238750a34f5f28bc5d40932c324786e2b3f616b11ad358283d5
ripemd-160
34bc9a327712302c5b79e21d6e0884737ec08a88
Diameter
40422902
Circumference
126992291.95998
Area
1.2833492431634E+15
Volume
3.4584467125446E+22
Surface area
5.1333969726537E+15
Circumference
126992291.95998
Perimeter
80845804
Area
408502751525401
Diagonal
28583308.119439
Surface area
2451016509152406
Volume
8.2564333458208E+21
Space diagonal
35007260.026689
Perimeter
60634353
Area
1.7688688016842E+14
Altitude
17503630.013344
Surface area
1.7688688016842E+14
Volume
9.7303000120744E+20
Height
9527769.3731464