20211643 is an odd 8-digits prime number following 20211642
and preceding 20211644 . In scientific notation, it is written as 2.0211643 × 10^7.
The sum of its digits is 19. It has a total of 1 prime factors and 2 positive divisors.
There are 20211642 positive integers (up to 20211643) that are relatively prime to 20211643.
20211643 has 2 divisors, whose sum is 20211644
The reverse of 20211643 is 34611202
Previous prime number is 1
Is Prime? yes
Number parity odd
Number length 8
Sum of Digits 19
Digital Root 1
Name
twenty million two hundred eleven thousand six hundred forty-three
Scientific notation
2.0211643 × 10^7
Engineering notation
2.0211643 × 10^6
Prime Factorization
20211643
Composite number
ω
Distinct Factors
1
Total number of distinct prime factors
Ω
Total Factors
1
Total number of prime factors
rad
Radical
20211643
Product of the distinct prime numbers
The prime factorization of 20211643 is 20211643.
Since it has a total of 1 prime factors.
8 , 8 , 18 , 18 , 504 , 595 , 3684 , 21 , 22026 , 88172 , 779997 , 167285 , 9637335 , 3840104 , 23170360 , 46377630 , 741525699 , 816787906 , 4415520316 , 4812322591
n×2
40423286
n×3
60634929
n×4
80846572
n×5
101058215
n÷2
10105821.5
n÷3
6737214.3333333
n÷3
5052910.75
n÷5
4042328.6
n2
408510512759449
n3
8.2566686456409E+21
n4
1.6688083903499E+29
n5
3.3729359421156E+36
2 √n
4495.7360910089
3 √n
272.39588312618
4 √n
67.050250491768
5 √n
28.91480872451
2 divisors
τ
Total Divisors
2
Total number of the positive divisors of n
σ
Sum of Divisors
20211644
Sum of all the positive divisors of n
s
Aliquot Sum
1
Sum of the proper positive divisors of n
A
Arithmetic Mean
10105822
Returns the sum of divisors (σ(n )) divided by the total number of divisors (τ(n ))
G
Geometric Mean
4495.7362022254
Returns the nth root of the product of n divisors
H
Harmonic Mean
1.9999999010471
Returns the total number of divisors (τ(n )) divided by the sum of the reciprocal of each divisors
The number 20211643 can be divided by 2 positive divisors.
The sum of these divisors (counting 20211643) is 20211644, the average is 10105822.
Base
System
Value
2
Binary
1001101000110011110111011
3
Ternary
1102000212011101
4
Quaternary
1031012132323
5
Quinary
20133233033
6
Senary
2001112231
8
Octal
115063673
10
Decimal
20211643
12
Duodecimal
6928677
16
Hexadecimal
13467bb
20
Vigesimal
666923
36
Base36
c17ej
md5
4b4076fd52cc00ddd95e1812c9db0ea0
sha1
b4825c8045b7df29248a8926e30c56a161ec12f7
sha256
9e2dfc3d2d73baf6f2544e8de05920b9b5f26e7d6e7c2faee9399451c5402873
sha512
0f2e19b44f9995f3c967fdabdde54bc8f803ba1c5acb592b3c82404190ff05dd8add3bed50497cdec2d9ca8b1e29ed06d65cea546cacd7f7ba5917aa7e0366bf
ripemd-160
3f1822a781008f298a08b0421a41c49e84b0f5b7
Diameter
40423286
Circumference
126993498.33156
Area
1.2833736257993E+15
Volume
3.4585452747028E+22
Surface area
5.1334945031971E+15
Circumference
126993498.33156
Perimeter
80846572
Area
408510512759449
Diagonal
28583579.648443
Surface area
2451063076556694
Volume
8.2566686456409E+21
Space diagonal
35007592.580444
Perimeter
60634929
Area
1.7689024088134E+14
Altitude
17503796.290222
Surface area
1.7689024088134E+14
Volume
9.7305773155717E+20
Height
9527859.8828144