20161442 is an even 8-digits composite number following 20161441
and preceding 20161443 . In scientific notation, it is written as 2.0161442 × 10^7.
The sum of its digits is 20. It has a total of 4 prime factors and 16 positive divisors.
There are 8602440 positive integers (up to 20161442) that are relatively prime to 20161442.
20161442 has 16 divisors, whose sum is 30996000
The reverse of 20161442 is 24416102
Previous prime number is 419
Is Prime? no
Number parity even
Number length 8
Sum of Digits 20
Digital Root 2
Name
twenty million one hundred sixty-one thousand four hundred forty-two
Scientific notation
2.0161442 × 10^7
Engineering notation
2.0161442 × 10^6
Prime Factorization
2 × 49 × 419 × 491
Composite number
ω
Distinct Factors
4
Total number of distinct prime factors
Ω
Total Factors
4
Total number of prime factors
rad
Radical
20161442
Product of the distinct prime numbers
The prime factorization of 20161442 is 2 × 49 × 419 × 491.
Since it has a total of 4 prime factors.
2 , 8 , 23 , 34 , 679 , 872 , 3502 , 7183 , 65536 , 27633 , 701223 , 863646 , 3045961 , 9901244 , 1842973 , 2035120 , 380222428 , 957630335 , 9339927553 , 7327871989
n×2
40322884
n×3
60484326
n×4
80645768
n×5
100807210
n÷2
10080721
n÷3
6720480.6666667
n÷3
5040360.5
n÷5
4032288.4
n2
406483743519364
n3
8.1952984189085E+21
n4
1.6522903374552E+29
n5
3.3312555805763E+36
2 √n
4490.1494407202
3 √n
272.17017357128
4 √n
67.008577366783
5 √n
28.900430906809
1 , 2 , 49 , 98 , 419 , 491 , 838 , 982 , 20531 , 24059 , 41062 , 48118 , 205729 , 411458 , 10080721 , 20161442
16 divisors
τ
Total Divisors
16
Total number of the positive divisors of n
σ
Sum of Divisors
1
Sum of all the positive divisors of n
s
Aliquot Sum
-20161441
Sum of the proper positive divisors of n
A
Arithmetic Mean
0.0625
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
16
Returns the total number of divisors (τ(n )) divided by the sum of the reciprocal of each divisors
The number 20161442 can be divided by 16 positive divisors.
The sum of these divisors (counting 20161442) is 1, the average is 0.0625.
Base
System
Value
2
Binary
1001100111010001110100010
3
Ternary
1101221022022002
4
Quaternary
1030322032202
5
Quinary
20130131232
6
Senary
2000044002
8
Octal
114721642
10
Decimal
20161442
12
Duodecimal
6903602
16
Hexadecimal
133a3a2
20
Vigesimal
6603c2
36
Base36
c04o2
md5
389920d00c1d419462cb20e5f7a0a14c
sha1
323a612ac8a0aa85818e5c1db6419930612767dd
sha256
dd841d8fe224b9278df04172d329ff23a56994f1c95a2e1316c6f3d910871bbd
sha512
2c880f681237e78b7770f85dd8ce9c55fe5e248f513dd96ad51b97ddeeb4454c957151a47ff4863d14998edd7092e71e900054ee6f29a0e3ec909d2691556f5e
ripemd-160
49a477b6fd9bff1815ba06669b2476cb4bae68c8
Diameter
40322884
Circumference
126678076.14595
Area
1.2770063424441E+15
Volume
3.4328385742425E+22
Surface area
5.1080253697764E+15
Circumference
126678076.14595
Perimeter
80645768
Area
406483743519364
Diagonal
28512584.713399
Surface area
2438902461116184
Volume
8.1952984189085E+21
Space diagonal
34920641.897853
Perimeter
60484326
Area
1.7601262405658E+14
Altitude
17460320.948927
Surface area
1.7601262405658E+14
Volume
9.6582518097627E+20
Height
9504194.9044662