20187864 is an even 8-digits composite number following 20187863
and preceding 20187865 . In scientific notation, it is written as 2.0187864 × 10^7.
The sum of its digits is 36. It has a total of 5 prime factors and 16 positive divisors.
There are 6696960 positive integers (up to 20187864) that are relatively prime to 20187864.
20187864 has 16 divisors, whose sum is 37903320
The reverse of 20187864 is 46878102
Previous prime number is 2313
Is Prime? no
Number parity even
Number length 8
Sum of Digits 36
Digital Root 9
Name
twenty million one hundred eighty-seven thousand eight hundred sixty-four
Scientific notation
2.0187864 × 10^7
Engineering notation
2.0187864 × 10^6
Prime Factorization
2 × 2 × 2 × 2313 × 1091
Composite number
ω
Distinct Factors
3
Total number of distinct prime factors
Ω
Total Factors
5
Total number of prime factors
rad
Radical
5046966
Product of the distinct prime numbers
The prime factorization of 20187864 is 2 × 2 × 2 × 2313 × 1091.
Since it has a total of 5 prime factors.
8 , 7 , 48 , 80 , 663 , 159 , 5789 , 1528 , 36741 , 32683 , 284683 , 49674 , 6687397 , 2565421 , 20807507 , 74483270 , 329754695 , 763937743 , 6593668672 , 1651617090
n×2
40375728
n×3
60563592
n×4
80751456
n×5
100939320
n÷2
10093932
n÷3
6729288
n÷3
5046966
n÷5
4037572.8
n2
407549852882496
n3
8.2275610032118E+21
n4
1.6609688258454E+29
n5
3.3531412764407E+36
2 √n
4493.0906957238
3 √n
272.28901661119
4 √n
67.030520628471
5 √n
28.908001865379
1 , 2 , 4 , 8 , 1091 , 2182 , 2313 , 4364 , 4626 , 8728 , 9252 , 18504 , 2523483 , 5046966 , 10093932 , 20187864
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
-20187863
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 20187864 can be divided by 16 positive divisors.
The sum of these divisors (counting 20187864) is 1, the average is 0.0625.
Base
System
Value
2
Binary
1001101000000101011011000
3
Ternary
1101222122112200
4
Quaternary
1031000223120
5
Quinary
20132002424
6
Senary
2000410200
8
Octal
115005330
10
Decimal
20187864
12
Duodecimal
6916960
16
Hexadecimal
1340ad8
20
Vigesimal
6639d4
36
Base36
c0p20
md5
ac803505fda462587ab2931bbdf0c0e8
sha1
a14e85231710c27d39cafd13794ba97d29a4fab4
sha256
8db94d215b4642ada86068684a6dda74e0931752c282f0b3124370fb59ca1c7f
sha512
637a624be0ce3ed84cbbfecba9b0c7c149704ed36caee25c53458a7c6d86821d83a490331b77818f39c4d0f87d68a22df8e6239853c50f4f20e9241ee36164dc
ripemd-160
3e25857bd03edc0e9f19a98941612df230d7e1e4
Diameter
40375728
Circumference
126844090.46814
Area
1.2803556237873E+15
Volume
3.4463526939536E+22
Surface area
5.121422495149E+15
Circumference
126844090.46814
Perimeter
80751456
Area
407549852882496
Diagonal
28549951.064144
Surface area
2445299117294976
Volume
8.2275610032118E+21
Space diagonal
34966406.144291
Perimeter
60563592
Area
1.7647426295243E+14
Altitude
17483203.072145
Surface area
1.7647426295243E+14
Volume
9.6962736299951E+20
Height
9516650.3547145