20172861 is an odd 8-digits composite number following 20172860
and preceding 20172862 . In scientific notation, it is written as 2.0172861 × 10^7.
The sum of its digits is 27. It has a total of 4 prime factors and 16 positive divisors.
There are 13119840 positive integers (up to 20172861) that are relatively prime to 20172861.
20172861 has 16 divisors, whose sum is 30616320
The reverse of 20172861 is 16827102
Previous prime number is 41
Is Prime? no
Number parity odd
Number length 8
Sum of Digits 27
Digital Root 9
Name
twenty million one hundred seventy-two thousand eight hundred sixty-one
Scientific notation
2.0172861 × 10^7
Engineering notation
2.0172861 × 10^6
Prime Factorization
3 × 9 × 41 × 18223
Composite number
ω
Distinct Factors
4
Total number of distinct prime factors
Ω
Total Factors
4
Total number of prime factors
rad
Radical
20172861
Product of the distinct prime numbers
The prime factorization of 20172861 is 3 × 9 × 41 × 18223.
Since it has a total of 4 prime factors.
4 , 2 , 97 , 18 , 129 , 573 , 6440 , 3653 , 71540 , 56522 , 429684 , 482712 , 1487016 , 2204672 , 44055250 , 11422586 , 509126866 , 135363341 , 4357793016 , 3543550027
n×2
40345722
n×3
60518583
n×4
80691444
n×5
100864305
n÷2
10086430.5
n÷3
6724287
n÷3
5043215.25
n÷5
4034572.2
n2
406944320925321
n3
8.2092312207659E+21
n4
1.6560368033337E+29
n5
3.3407000244535E+36
2 √n
4491.4208219671
3 √n
272.22154761892
4 √n
67.018063400602
5 √n
28.903703879852
1 , 3 , 9 , 27 , 41 , 123 , 369 , 1107 , 18223 , 54669 , 164007 , 492021 , 747143 , 2241429 , 6724287 , 20172861
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
-20172860
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 20172861 can be divided by 16 positive divisors.
The sum of these divisors (counting 20172861) is 1, the average is 0.0625.
Base
System
Value
2
Binary
1001100111101000000111101
3
Ternary
1101221212222000
4
Quaternary
1030331000331
5
Quinary
20131012421
6
Senary
2000212513
8
Octal
114750075
10
Decimal
20172861
12
Duodecimal
690a139
16
Hexadecimal
133d03d
20
Vigesimal
661c31
36
Base36
c0dh9
md5
6c64494c1f6d6344ca9ec4a2adaec099
sha1
ab80a5d1f8b6ad2f7f5cb1e7275a65a3439d1e17
sha256
ac9d1ab7fe85c75c129a66f3fd01e5a75dd1137aee87da71f7a129930dc13461
sha512
c33bd2034ff71872bf446640f2702b5629b9b342cf2ca120a49079a0b5a6bf8ebf8f05dbd8c431467fafbc38d94bfb715daa5319603ac14b32a80b2a255a097d
ripemd-160
901df4a5c558c6615afa052ae7a724181ef466f7
Diameter
40345722
Circumference
126749823.83898
Area
1.2784532890391E+15
Volume
3.4386747326371E+22
Surface area
5.1138131561563E+15
Circumference
126749823.83898
Perimeter
80691444
Area
406944320925321
Diagonal
28528733.618067
Surface area
2441665925551926
Volume
8.2092312207659E+21
Space diagonal
34940420.186025
Perimeter
60518583
Area
1.7621205992357E+14
Altitude
17470210.093012
Surface area
1.7621205992357E+14
Volume
9.6746717742198E+20
Height
9509577.8726891