20165890 is an even 8-digits composite number following 20165889
and preceding 20165891 . In scientific notation, it is written as 2.0165890 × 10^7.
The sum of its digits is 31. It has a total of 4 prime factors and 16 positive divisors.
There are 8029296 positive integers (up to 20165890) that are relatively prime to 20165890.
20165890 has 16 divisors, whose sum is 36465408
The reverse of 20165890 is 09856102
Previous prime number is 223
Is Prime? no
Number parity even
Number length 8
Sum of Digits 31
Digital Root 4
Name
twenty million one hundred sixty-five thousand eight hundred ninety
Scientific notation
2.0165890 × 10^7
Engineering notation
2.0165890 × 10^6
Prime Factorization
2 × 5 × 223 × 9043
Composite number
ω
Distinct Factors
4
Total number of distinct prime factors
Ω
Total Factors
4
Total number of prime factors
rad
Radical
20165890
Product of the distinct prime numbers
The prime factorization of 20165890 is 2 × 5 × 223 × 9043.
Since it has a total of 4 prime factors.
3 , 2 , 44 , 26 , 329 , 689 , 7069 , 3687 , 7135 , 419 , 922537 , 165886 , 5654661 , 1968238 , 49906808 , 12488264 , 473605138 , 791800577 , 8758339821 , 7742251897
n×2
40331780
n×3
60497670
n×4
80663560
n×5
100829450
n÷2
10082945
n÷3
6721963.3333333
n÷3
5041472.5
n÷5
4033178
n2
406663119492100
n3
8.2007237347345E+21
n4
1.6537489275505E+29
n5
3.3349318960601E+36
2 √n
4490.6447198593
3 √n
272.1901874161
4 √n
67.012272904739
5 √n
28.901705991935
1 , 2 , 5 , 10 , 223 , 446 , 1115 , 2230 , 9043 , 18086 , 45215 , 90430 , 2016589 , 4033178 , 10082945 , 20165890
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
-20165889
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 20165890 can be divided by 16 positive divisors.
The sum of these divisors (counting 20165890) is 1, the average is 0.0625.
Base
System
Value
2
Binary
1001100111011010100000010
3
Ternary
1101221112101211
4
Quaternary
1030323110002
5
Quinary
20130302030
6
Senary
2000120334
8
Octal
114732402
10
Decimal
20165890
12
Duodecimal
69060aa
16
Hexadecimal
133b502
20
Vigesimal
660eea
36
Base36
c083m
md5
86b5b2b3215a5a6df810dba4a74aae2b
sha1
e07cbfcbe498005ec7086d4ff7e8ce670d729a9c
sha256
9b9cbbde8c3c27f77d380fc81f178d209023eb918148ba9c987a3f1645b24987
sha512
9df5f8b9e4b427ccc80b97e5cfaeb2f6b75b5700a915fe0d8caa5563fb3a254c8bba5f04fe94e4f06760bae68e781adcf0c1fc9a27fa9b26f275001e3c4639e9
ripemd-160
e1097e3133ebfbb58d6b04b5b70188287428f2fe
Diameter
40331780
Circumference
126706023.7542
Area
1.2775698686823E+15
Volume
3.4351111252215E+22
Surface area
5.1102794747292E+15
Circumference
126706023.7542
Perimeter
80663560
Area
406663119492100
Diagonal
28518875.135324
Surface area
2439978716952600
Volume
8.2007237347345E+21
Space diagonal
34928346.059845
Perimeter
60497670
Area
1.7609029613119E+14
Altitude
17464173.029923
Surface area
1.7609029613119E+14
Volume
9.6646456057804E+20
Height
9506291.7117747