20191621 is an odd 8-digits prime number following 20191620
and preceding 20191622 . In scientific notation, it is written as 2.0191621 × 10^7.
The sum of its digits is 22. It has a total of 1 prime factors and 2 positive divisors.
There are 20191620 positive integers (up to 20191621) that are relatively prime to 20191621.
20191621 has 2 divisors, whose sum is 20191622
The reverse of 20191621 is 12619102
Previous prime number is 1
Is Prime? yes
Number parity odd
Number length 8
Sum of Digits 22
Digital Root 4
Name
twenty million one hundred ninety-one thousand six hundred twenty-one
Scientific notation
2.0191621 × 10^7
Engineering notation
2.0191621 × 10^6
Prime Factorization
20191621
Composite number
ω
Distinct Factors
1
Total number of distinct prime factors
Ω
Total Factors
1
Total number of prime factors
rad
Radical
20191621
Product of the distinct prime numbers
The prime factorization of 20191621 is 20191621.
Since it has a total of 1 prime factors.
2 , 2 , 79 , 47 , 57 , 805 , 5955 , 7535 , 66954 , 44477 , 934190 , 871833 , 8353655 , 3574478 , 24597665 , 37803405 , 138245693 , 97069209 , 498412416 , 1612654032
n×2
40383242
n×3
60574863
n×4
80766484
n×5
100958105
n÷2
10095810.5
n÷3
6730540.3333333
n÷3
5047905.25
n÷5
4038324.2
n2
407701558607641
n3
8.2321553525148E+21
n4
1.662205608911E+29
n5
3.3562625679205E+36
2 √n
4493.5087626486
3 √n
272.30590673194
4 √n
67.033639037789
5 √n
28.909077752151
2 divisors
τ
Total Divisors
2
Total number of the positive divisors of n
σ
Sum of Divisors
20191622
Sum of all the positive divisors of n
s
Aliquot Sum
1
Sum of the proper positive divisors of n
A
Arithmetic Mean
10095811
Returns the sum of divisors (σ(n )) divided by the total number of divisors (τ(n ))
G
Geometric Mean
4493.5088739202
Returns the nth root of the product of n divisors
H
Harmonic Mean
1.999999900949
Returns the total number of divisors (τ(n )) divided by the sum of the reciprocal of each divisors
The number 20191621 can be divided by 2 positive divisors.
The sum of these divisors (counting 20191621) is 20191622, the average is 10095811.
Base
System
Value
2
Binary
1001101000001100110000101
3
Ternary
1101222211200211
4
Quaternary
1031001212011
5
Quinary
20132112441
6
Senary
2000435421
8
Octal
115014605
10
Decimal
20191621
12
Duodecimal
6918b71
16
Hexadecimal
1341985
20
Vigesimal
663j11
36
Base36
c0ryd
md5
092cd0e48edd063032457e96513c2406
sha1
f18473c685bda3c60acdf525104fe66aa8ba06b4
sha256
43da1f803ebfe5a3707e4ce913600ef8c974e0f1c21092d8155805c3fc3e3d18
sha512
af0c70756e1639bcc1aab0ae9834ff48477cd7636122791d2cb568997516fc58880d6d12d8bca5c8696ea215ad1f300e497868f3a07105852bffd6d6b7b9fdc0
ripemd-160
e734a087a3cd4a0b13edd224f3f6048846c7dd3d
Diameter
40383242
Circumference
126867696.39534
Area
1.2808322213789E+15
Volume
3.4482771704894E+22
Surface area
5.1233288855155E+15
Circumference
126867696.39534
Perimeter
80766484
Area
407701558607641
Diagonal
28555264.264497
Surface area
2446209351645846
Volume
8.2321553525148E+21
Space diagonal
34972913.459175
Perimeter
60574863
Area
1.7653995345836E+14
Altitude
17486456.729587
Surface area
1.7653995345836E+14
Volume
9.7016881225739E+20
Height
9518421.4214991