20121142 is an even 8-digits composite number following 20121141
and preceding 20121143 . In scientific notation, it is written as 2.0121142 × 10^7.
The sum of its digits is 13. It has a total of 4 prime factors and 16 positive divisors.
There are 9877608 positive integers (up to 20121142) that are relatively prime to 20121142.
20121142 has 16 divisors, whose sum is 30735360
The reverse of 20121142 is 24112102
Previous prime number is 347
Is Prime? no
Number parity even
Number length 8
Sum of Digits 13
Digital Root 4
Name
twenty million one hundred twenty-one thousand one hundred forty-two
Scientific notation
2.0121142 × 10^7
Engineering notation
2.0121142 × 10^6
Prime Factorization
2 × 79 × 347 × 367
Composite number
ω
Distinct Factors
4
Total number of distinct prime factors
Ω
Total Factors
4
Total number of prime factors
rad
Radical
20121142
Product of the distinct prime numbers
The prime factorization of 20121142 is 2 × 79 × 347 × 367.
Since it has a total of 4 prime factors.
6 , 3 , 95 , 47 , 112 , 126 , 9860 , 8118 , 87025 , 65591 , 792624 , 767529 , 6397611 , 5393959 , 64309846 , 36890947 , 985249615 , 205236546 , 8334031356 , 9584072269
n×2
40242284
n×3
60363426
n×4
80484568
n×5
100605710
n÷2
10060571
n÷3
6707047.3333333
n÷3
5030285.5
n÷5
4024228.4
n2
404860355384164
n3
8.1462527008552E+21
n4
1.6391190736179E+29
n5
3.2980947635175E+36
2 √n
4485.659594753
3 √n
271.98870880176
4 √n
66.975066963408
5 √n
28.888868046325
1 , 2 , 79 , 158 , 347 , 367 , 694 , 734 , 27413 , 28993 , 54826 , 57986 , 127349 , 254698 , 10060571 , 20121142
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
-20121141
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 20121142 can be divided by 16 positive divisors.
The sum of these divisors (counting 20121142) is 1, the average is 0.0625.
Base
System
Value
2
Binary
1001100110000011000110110
3
Ternary
1101212021000111
4
Quaternary
1030300120312
5
Quinary
20122334032
6
Senary
1555133234
8
Octal
114603066
10
Decimal
20121142
12
Duodecimal
68a421a
16
Hexadecimal
1330636
20
Vigesimal
65f2h2
36
Base36
bz9km
md5
5735b86aa358c96c16b59786e8ff4008
sha1
4a71a4b0a5c60b7b39b333e69854b81d16564346
sha256
58749f9aff549fa76e6f62c0d1ea285bd9229bfda3f3ae79ff1f08b74da9cb6f
sha512
94c8dac3f23d693a9011a2981b53888fc3bd37f36ece15c37e9628290bb7c64a5e302c8e4b9e948e90970eef585d4a9b2e83e21291690d7151df12152f6cc000
ripemd-160
5c301ffe55907969504854088dfa9ffd28c0a725
Diameter
40242284
Circumference
126424863.77807
Area
1.2719063182046E+15
Volume
3.4122943519057E+22
Surface area
5.0876252728186E+15
Circumference
126424863.77807
Perimeter
80484568
Area
404860355384164
Diagonal
28455591.906835
Surface area
2429162132304984
Volume
8.1462527008552E+21
Space diagonal
34850840.250308
Perimeter
60363426
Area
1.7530967637394E+14
Altitude
17425420.125154
Surface area
1.7530967637394E+14
Volume
9.6004508767233E+20
Height
9485197.3022783