20187768 is an even 8-digits composite number following 20187767
and preceding 20187769 . In scientific notation, it is written as 2.0187768 × 10^7.
The sum of its digits is 39. It has a total of 5 prime factors and 16 positive divisors.
There are 6729248 positive integers (up to 20187768) that are relatively prime to 20187768.
20187768 has 16 divisors, whose sum is 50469480
The reverse of 20187768 is 86778102
Previous prime number is 3
Is Prime? no
Number parity even
Number length 8
Sum of Digits 39
Digital Root 3
Name
twenty million one hundred eighty-seven thousand seven hundred sixty-eight
Scientific notation
2.0187768 × 10^7
Engineering notation
2.0187768 × 10^6
Prime Factorization
2 × 2 × 2 × 3 × 841157
Composite number
ω
Distinct Factors
3
Total number of distinct prime factors
Ω
Total Factors
5
Total number of prime factors
rad
Radical
5046942
Product of the distinct prime numbers
The prime factorization of 20187768 is 2 × 2 × 2 × 3 × 841157.
Since it has a total of 5 prime factors.
7 , 9 , 56 , 55 , 269 , 320 , 3501 , 828 , 10079 , 93166 , 547637 , 765417 , 2512033 , 9438436 , 87760616 , 93217059 , 924622018 , 263864176 , 2499252881 , 1375050091
n×2
40375536
n×3
60563304
n×4
80751072
n×5
100938840
n÷2
10093884
n÷3
6729256
n÷3
5046942
n÷5
4037553.6
n2
407545976821824
n3
8.2274436294124E+21
n4
1.6609372322365E+29
n5
3.3530615506954E+36
2 √n
4493.0800126417
3 √n
272.28858500226
4 √n
67.03044094023
5 √n
28.907974371897
1 , 2 , 3 , 4 , 6 , 8 , 12 , 24 , 841157 , 1682314 , 2523471 , 3364628 , 5046942 , 6729256 , 10093884 , 20187768
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
-20187767
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 20187768 can be divided by 16 positive divisors.
The sum of these divisors (counting 20187768) is 1, the average is 0.0625.
Base
System
Value
2
Binary
1001101000000101001111000
3
Ternary
1101222122102010
4
Quaternary
1031000221320
5
Quinary
20132002033
6
Senary
2000405520
8
Octal
115005170
10
Decimal
20187768
12
Duodecimal
69168a0
16
Hexadecimal
1340a78
20
Vigesimal
663988
36
Base36
c0ozc
md5
1bcce5fcf7ef860b861629f12b34e702
sha1
3495e2d5dce274e9288716e6edbc7b33180ab19d
sha256
dd50f61e347c604353c1d5bbaeaa18c5e1edbfbe7c435200a041251aee57bb53
sha512
73223e6ecd353d188acc302cc52f59ba68707777fb83a0dd949829e5c5176e81fe70959634a60a7939682052da6474866d8c5567f12520446e77f4f8fd11f345
ripemd-160
815f64b6e874f9d82addf84a78fba1e2ffb2a0db
Diameter
40375536
Circumference
126843487.28235
Area
1.2803434467835E+15
Volume
3.4463035285315E+22
Surface area
5.1213737871341E+15
Circumference
126843487.28235
Perimeter
80751072
Area
407545976821824
Diagonal
28549815.299642
Surface area
2445275860930944
Volume
8.2274436294124E+21
Space diagonal
34966239.867413
Perimeter
60563304
Area
1.7647258456892E+14
Altitude
17483119.933707
Surface area
1.7647258456892E+14
Volume
9.6961353036459E+20
Height
9516605.0998805