20187738 is an even 8-digits composite number following 20187737
and preceding 20187739 . In scientific notation, it is written as 2.0187738 × 10^7.
The sum of its digits is 36. It has a total of 5 prime factors and 32 positive divisors.
There are 6333120 positive integers (up to 20187738) that are relatively prime to 20187738.
20187738 has 32 divisors, whose sum is 47502720
The reverse of 20187738 is 83778102
Previous prime number is 17
Is Prime? no
Number parity even
Number length 8
Sum of Digits 36
Digital Root 9
Name
twenty million one hundred eighty-seven thousand seven hundred thirty-eight
Scientific notation
2.0187738 × 10^7
Engineering notation
2.0187738 × 10^6
Prime Factorization
2 × 3 × 9 × 17 × 21991
Composite number
ω
Distinct Factors
5
Total number of distinct prime factors
Ω
Total Factors
5
Total number of prime factors
rad
Radical
20187738
Product of the distinct prime numbers
The prime factorization of 20187738 is 2 × 3 × 9 × 17 × 21991.
Since it has a total of 5 prime factors.
1 , 6 , 75 , 98 , 861 , 31 , 6270 , 1894 , 1886 , 37772 , 57102 , 997932 , 6780672 , 7872447 , 85390682 , 27450973 , 895467239 , 635577984 , 2827915125 , 1835764658
n×2
40375476
n×3
60563214
n×4
80750952
n×5
100938690
n÷2
10093869
n÷3
6729246
n÷3
5046934.5
n÷5
4037547.6
n2
407544765556644
n3
8.227406950329E+21
n4
1.6609273593262E+29
n5
3.3530366367109E+36
2 √n
4493.0766741733
3 √n
272.28845012419
4 √n
67.030416037597
5 √n
28.907965780162
1 , 2 , 3 , 6 , 9 , 17 , 18 , 27 , 34 , 51 , 54 , 102 , 153 , 306 , 459 , 918 , 21991 , 43982 , 65973 , 131946 , 197919 , 373847 , 395838 , 593757 , 747694 , 1121541 , 1187514 , 2243082 , 3364623 , 6729246 , 10093869 , 20187738
32 divisors
τ
Total Divisors
32
Total number of the positive divisors of n
σ
Sum of Divisors
1
Sum of all the positive divisors of n
s
Aliquot Sum
-20187737
Sum of the proper positive divisors of n
A
Arithmetic Mean
0.03125
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
32
Returns the total number of divisors (τ(n )) divided by the sum of the reciprocal of each divisors
The number 20187738 can be divided by 32 positive divisors.
The sum of these divisors (counting 20187738) is 1, the average is 0.03125.
Base
System
Value
2
Binary
1001101000000101001011010
3
Ternary
1101222122101000
4
Quaternary
1031000221122
5
Quinary
20132001423
6
Senary
2000405430
8
Octal
115005132
10
Decimal
20187738
12
Duodecimal
6916876
16
Hexadecimal
1340a5a
20
Vigesimal
66396i
36
Base36
c0oyi
md5
f172bf5b2288d3ef77f0424b00c57d9c
sha1
4b14305be6ade43b2e22278950ee3e3324812606
sha256
d106f804dc19417946edfcfc5c279f5f934bd948cea3d93260217cd1e9086388
sha512
08fcc103db5988afbf9196df2cf665e9a3e320ac75b4479c96fb3d108f281c1c18d53cdc31124cc273990155b3c52ae9c3d81d79962395c03150a77d73511eea
ripemd-160
7fc6827ff418db1e090180c8e0a6727fbf77a2e3
Diameter
40375476
Circumference
126843298.78679
Area
1.2803396414817E+15
Volume
3.4462881644329E+22
Surface area
5.1213585659269E+15
Circumference
126843298.78679
Perimeter
80750952
Area
407544765556644
Diagonal
28549772.873235
Surface area
2445268593339864
Volume
8.227406950329E+21
Space diagonal
34966187.905889
Perimeter
60563214
Area
1.7647206007571E+14
Altitude
17483093.952944
Surface area
1.7647206007571E+14
Volume
9.6960920769316E+20
Height
9516590.9577449