20142981 is an odd 8-digits composite number following 20142980
and preceding 20142982 . In scientific notation, it is written as 2.0142981 × 10^7.
The sum of its digits is 27. It has a total of 3 prime factors and 6 positive divisors.
There are 13428648 positive integers (up to 20142981) that are relatively prime to 20142981.
20142981 has 6 divisors, whose sum is 29095430
The reverse of 20142981 is 18924102
Previous prime number is 3
Is Prime? no
Number parity odd
Number length 8
Sum of Digits 27
Digital Root 9
Name
twenty million one hundred forty-two thousand nine hundred eighty-one
Scientific notation
2.0142981 × 10^7
Engineering notation
2.0142981 × 10^6
Prime Factorization
3 × 3 × 2238109
Composite number
ω
Distinct Factors
2
Total number of distinct prime factors
Ω
Total Factors
3
Total number of prime factors
rad
Radical
6714327
Product of the distinct prime numbers
The prime factorization of 20142981 is 3 × 3 × 2238109.
Since it has a total of 3 prime factors.
10 , 5 , 99 , 41 , 67 , 784 , 9216 , 670 , 76206 , 55276 , 394378 , 635267 , 9484228 , 1953543 , 7322978 , 10490184 , 372199207 , 451274675 , 4740753163 , 3968496580
n×2
40285962
n×3
60428943
n×4
80571924
n×5
100714905
n÷2
10071490.5
n÷3
6714327
n÷3
5035745.25
n÷5
4028596.2
n2
405739683566361
n3
8.1728067370232E+21
n4
1.6462469082053E+29
n5
3.3160320193288E+36
2 √n
4488.0932476944
3 √n
272.08707653981
4 √n
66.993232850001
5 √n
28.895136380998
6 divisors
τ
Total Divisors
6
Total number of the positive divisors of n
σ
Sum of Divisors
1
Sum of all the positive divisors of n
s
Aliquot Sum
-20142980
Sum of the proper positive divisors of n
A
Arithmetic Mean
0.16666666666667
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
6
Returns the total number of divisors (τ(n )) divided by the sum of the reciprocal of each divisors
The number 20142981 can be divided by 6 positive divisors.
The sum of these divisors (counting 20142981) is 1, the average is 0.16666666666667.
Base
System
Value
2
Binary
1001100110101101110000101
3
Ternary
1101220100222100
4
Quaternary
1030311232011
5
Quinary
20124033411
6
Senary
1555422313
8
Octal
114655605
10
Decimal
20142981
12
Duodecimal
68b4999
16
Hexadecimal
1335b85
20
Vigesimal
65hh91
36
Base36
bzqf9
md5
863d2925707fcad0bbe0051194007bb5
sha1
1e6a0ad2a5eefd02346c92c975c0275c8ea9d2cc
sha256
18216380bf53b64a831d6af036805fb1310485a49eb9f4f61b0a679194246ed9
sha512
02df7cce1c509727a103ad7bbb9641db98a6fc1f6105c0b8990c91772134c9c1980d6f66d9b0ab169de5a99f4a0b67bac79ed75d015dbc27512fa66c41cd9a40
ripemd-160
43187e27e5439cbca72672532fcba4a5a29d3fc4
Diameter
40285962
Circumference
126562082.262
Area
1.2746688091619E+15
Volume
3.4234172805655E+22
Surface area
5.0986752366477E+15
Circumference
126562082.262
Perimeter
80571924
Area
405739683566361
Diagonal
28486476.916824
Surface area
2434438101398166
Volume
8.1728067370232E+21
Space diagonal
34888666.507895
Perimeter
60428943
Area
1.7569043664596E+14
Altitude
17444333.253947
Surface area
1.7569043664596E+14
Volume
9.6317451084604E+20
Height
9495492.3056079