20001887 is an odd 8-digits composite number following 20001886
and preceding 20001888 . In scientific notation, it is written as 2.0001887 × 10^7.
The sum of its digits is 26. It has a total of 2 prime factors and 4 positive divisors.
There are 19982400 positive integers (up to 20001887) that are relatively prime to 20001887.
20001887 has 4 divisors, whose sum is 20021376
The reverse of 20001887 is 78810002
Previous prime number is 1087
Is Prime? no
Number parity odd
Number length 8
Sum of Digits 26
Digital Root 8
Name
twenty million one thousand eight hundred eighty-seven
Scientific notation
2.0001887 × 10^7
Engineering notation
2.0001887 × 10^6
Prime Factorization
1087 × 18401
Composite number
ω
Distinct Factors
2
Total number of distinct prime factors
Ω
Total Factors
2
Total number of prime factors
rad
Radical
20001887
Product of the distinct prime numbers
The prime factorization of 20001887 is 1087 × 18401.
Since it has a total of 2 prime factors.
10 , 8 , 27 , 8 , 702 , 501 , 388 , 764 , 90172 , 34372 , 643279 , 254147 , 4237741 , 2251811 , 97161865 , 22124625 , 350198328 , 829633754 , 1429923908 , 4729662627
n×2
40003774
n×3
60005661
n×4
80007548
n×5
100009435
n÷2
10000943.5
n÷3
6667295.6666667
n÷3
5000471.75
n÷5
4000377.4
n2
400075483560769
n3
8.0022646136529E+21
n4
1.6006039254638E+29
n5
3.2015098848884E+36
2 √n
4472.3469230372
3 √n
271.45029823443
4 √n
66.87560783303
5 √n
28.854542572541
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
-20001886
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 20001887 can be divided by 4 positive divisors.
The sum of these divisors (counting 20001887) is 1, the average is 0.25.
Base
System
Value
2
Binary
1001100010011010001011111
3
Ternary
1101122012102122
4
Quaternary
1030103101133
5
Quinary
20110030022
6
Senary
1552413155
8
Octal
114232137
10
Decimal
20001887
12
Duodecimal
68471bb
16
Hexadecimal
131345f
20
Vigesimal
6504e7
36
Base36
bwpjz
md5
6cb389e69df11d102a64164ac07ea779
sha1
7dd8836690822c7b6814827cd5ba1175fa7f6319
sha256
5d47369f072f408293e2c4fb61c40b9234cfdeccba17e9708d67f362a4f3285d
sha512
fdc431fc68239f426db9bf6b2eb0019e9a9b4a0157db48cd44c185d7c291af2936e7f3edbd387a4df11aeab1e8cd9554c73250c5fff4eb37cd40757a4add3d3f
ripemd-160
47d77f7d5613fdfa7347f307a0bf6e5c6ab38632
Diameter
40003774
Circumference
125675562.51427
Area
1.2568742000359E+15
Volume
3.3519807629778E+22
Surface area
5.0274968001436E+15
Circumference
125675562.51427
Perimeter
80007548
Area
400075483560769
Diagonal
28286939.868454
Surface area
2400452901364614
Volume
8.0022646136529E+21
Space diagonal
34644284.531251
Perimeter
60005661
Area
1.7323776609748E+14
Altitude
17322142.265626
Surface area
1.7323776609748E+14
Volume
9.4307592886051E+20
Height
9428979.9561514