20087942 is an even 8-digits composite number following 20087941
and preceding 20087943 . In scientific notation, it is written as 2.0087942 × 10^7.
The sum of its digits is 32. It has a total of 4 prime factors and 12 positive divisors.
There are 8609076 positive integers (up to 20087942) that are relatively prime to 20087942.
20087942 has 12 divisors, whose sum is 35051580
The reverse of 20087942 is 24978002
Previous prime number is 7
Is Prime? no
Number parity even
Number length 8
Sum of Digits 32
Digital Root 5
Name
twenty million eighty-seven thousand nine hundred forty-two
Scientific notation
2.0087942 × 10^7
Engineering notation
2.0087942 × 10^6
Prime Factorization
2 × 7 × 7 × 204979
Composite number
ω
Distinct Factors
3
Total number of distinct prime factors
Ω
Total Factors
4
Total number of prime factors
rad
Radical
2869706
Product of the distinct prime numbers
The prime factorization of 20087942 is 2 × 7 × 7 × 204979.
Since it has a total of 4 prime factors.
8 , 8 , 37 , 64 , 11 , 830 , 2118 , 6673 , 99404 , 83383 , 643826 , 56334 , 4164962 , 7053958 , 47470784 , 33464105 , 792020932 , 984034711 , 1656925880 , 8726243179
n×2
40175884
n×3
60263826
n×4
80351768
n×5
100439710
n÷2
10043971
n÷3
6695980.6666667
n÷3
5021985.5
n÷5
4017588.4
n2
403525413795364
n3
8.1059951078473E+21
n4
1.6283275957872E+29
n5
3.2709750301173E+36
2 √n
4481.9573848933
3 √n
271.83903213793
4 √n
66.947422541076
5 √n
28.879328388371
1 , 2 , 7 , 14 , 49 , 98 , 204979 , 409958 , 1434853 , 2869706 , 10043971 , 20087942
12 divisors
τ
Total Divisors
12
Total number of the positive divisors of n
σ
Sum of Divisors
1
Sum of all the positive divisors of n
s
Aliquot Sum
-20087941
Sum of the proper positive divisors of n
A
Arithmetic Mean
0.083333333333333
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
12
Returns the total number of divisors (τ(n )) divided by the sum of the reciprocal of each divisors
The number 20087942 can be divided by 12 positive divisors.
The sum of these divisors (counting 20087942) is 1, the average is 0.083333333333333.
Base
System
Value
2
Binary
1001100101000010010000110
3
Ternary
1101210120110212
4
Quaternary
1030220102012
5
Quinary
20120303232
6
Senary
1554315422
8
Octal
114502206
10
Decimal
20087942
12
Duodecimal
6888b72
16
Hexadecimal
1328486
20
Vigesimal
65ajh2
36
Base36
byjye
md5
e0aaa3dac915d2cac5c3074046f9354c
sha1
6f504229e36b568f79ce7bba5ce5a2d6bc875753
sha256
b68a4dcc86a41225fc0569ca216ef0bb48c45994c4b4036a9c237052c220398f
sha512
147a340d144163a049b645642ab57f9f59b12c92dd1bb0fb32ab2de7bb326f849517ae20be8d039ce04d8837ab88e6f494b0a3cfa0495eeb4b190ef327878b81
ripemd-160
0e5ccdb2f8e46c35119c885220db68a46e845e8c
Diameter
40175884
Circumference
126216262.02588
Area
1.2677124755163E+15
Volume
3.3954312907797E+22
Surface area
5.0708499020652E+15
Circumference
126216262.02588
Perimeter
80351768
Area
403525413795364
Diagonal
28408640.016564
Surface area
2421152482772184
Volume
8.1059951078473E+21
Space diagonal
34793336.163497
Perimeter
60263826
Area
1.7473162970971E+14
Altitude
17396668.081748
Surface area
1.7473162970971E+14
Volume
9.553006848373E+20
Height
9469546.672188