20042387 is an odd 8-digits composite number following 20042386
and preceding 20042388 . In scientific notation, it is written as 2.0042387 × 10^7.
The sum of its digits is 26. It has a total of 2 prime factors and 4 positive divisors.
There are 20021016 positive integers (up to 20042387) that are relatively prime to 20042387.
20042387 has 4 divisors, whose sum is 20063760
The reverse of 20042387 is 78324002
Previous prime number is 983
Is Prime? no
Number parity odd
Number length 8
Sum of Digits 26
Digital Root 8
Name
twenty million forty-two thousand three hundred eighty-seven
Scientific notation
2.0042387 × 10^7
Engineering notation
2.0042387 × 10^6
Prime Factorization
983 × 20389
Composite number
ω
Distinct Factors
2
Total number of distinct prime factors
Ω
Total Factors
2
Total number of prime factors
rad
Radical
20042387
Product of the distinct prime numbers
The prime factorization of 20042387 is 983 × 20389.
Since it has a total of 2 prime factors.
6 , 7 , 17 , 42 , 140 , 676 , 7070 , 856 , 38410 , 92022 , 212560 , 814955 , 9817050 , 220471 , 20884651 , 7845902 , 79368948 , 530184125 , 2064903104 , 3342473247
n×2
40084774
n×3
60127161
n×4
80169548
n×5
100211935
n÷2
10021193.5
n÷3
6680795.6666667
n÷3
5010596.75
n÷5
4008477.4
n2
401697276657769
n3
8.0509722756211E+21
n4
1.6136070207427E+29
n5
3.2340536375642E+36
2 √n
4476.8724574194
3 √n
271.63338638242
4 √n
66.909434741443
5 √n
28.866218107339
4 divisors
τ
Total Divisors
4
Total number of the positive divisors of n
σ
Sum of Divisors
1
Sum of all the positive divisors of n
s
Aliquot Sum
-20042386
Sum of the proper positive divisors of n
A
Arithmetic Mean
0.25
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
4
Returns the total number of divisors (τ(n )) divided by the sum of the reciprocal of each divisors
The number 20042387 can be divided by 4 positive divisors.
The sum of these divisors (counting 20042387) is 1, the average is 0.25.
Base
System
Value
2
Binary
1001100011101001010010011
3
Ternary
1101201020222122
4
Quaternary
1030131022103
5
Quinary
20112324022
6
Senary
1553324455
8
Octal
114351223
10
Decimal
20042387
12
Duodecimal
686672b
16
Hexadecimal
131d293
20
Vigesimal
6555j7
36
Base36
bxksz
md5
e491059b5af8845c4b2dda8897165180
sha1
7422fd41bc5547fa6a788b74c125f8c228075589
sha256
cae2001fe160a6430d98905ced0977e9cbc4d875e4a076b7b08c44e592812bf2
sha512
45556308eb6ee4a1d7be66dcde21faaf290fdc5e665a9618eb65350cf0dd127561e0f69ccaef8e2462f754d619ac426810c6a1e709d7ed205a916b22610d7888
ripemd-160
ab8117c0df030ec03e2e144a5531d5e33d14d06c
Diameter
40084774
Circumference
125930031.51921
Area
1.2619692133151E+15
Volume
3.3723833807128E+22
Surface area
5.0478768532603E+15
Circumference
125930031.51921
Perimeter
80169548
Area
401697276657769
Diagonal
28344215.51773
Surface area
2410183659946614
Volume
8.0509722756211E+21
Space diagonal
34714432.588958
Perimeter
60127161
Area
1.7394002310833E+14
Altitude
17357216.294479
Surface area
1.7394002310833E+14
Volume
9.4881618187276E+20
Height
9448071.8392434