20185470 is an even 8-digits composite number following 20185469
and preceding 20185471 . In scientific notation, it is written as 2.0185470 × 10^7.
The sum of its digits is 27. It has a total of 4 prime factors and 16 positive divisors.
There are 5382720 positive integers (up to 20185470) that are relatively prime to 20185470.
20185470 has 16 divisors, whose sum is 35885760
The reverse of 20185470 is 07458102
Previous prime number is 9
Is Prime? no
Number parity even
Number length 8
Sum of Digits 27
Digital Root 9
Name
twenty million one hundred eighty-five thousand four hundred seventy
Scientific notation
2.0185470 × 10^7
Engineering notation
2.0185470 × 10^6
Prime Factorization
2 × 15 × 9 × 74761
Composite number
ω
Distinct Factors
4
Total number of distinct prime factors
Ω
Total Factors
4
Total number of prime factors
rad
Radical
20185470
Product of the distinct prime numbers
The prime factorization of 20185470 is 2 × 15 × 9 × 74761.
Since it has a total of 4 prime factors.
9 , 5 , 22 , 90 , 544 , 965 , 7787 , 4752 , 43740 , 20509 , 943080 , 477381 , 2553302 , 3061525 , 87226264 , 11313022 , 111758716 , 961505961 , 1514923637 , 4326109821
n×2
40370940
n×3
60556410
n×4
80741880
n×5
100927350
n÷2
10092735
n÷3
6728490
n÷3
5046367.5
n÷5
4037094
n2
407453199120900
n3
8.224634327259E+21
n4
1.6601810947386E+29
n5
3.3511535682412E+36
2 √n
4492.8242787806
3 √n
272.27825295512
4 √n
67.028533318137
5 √n
28.907316215432
1 , 2 , 9 , 15 , 18 , 30 , 135 , 270 , 74761 , 149522 , 672849 , 1121415 , 1345698 , 2242830 , 10092735 , 20185470
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
-20185469
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 20185470 can be divided by 16 positive divisors.
The sum of these divisors (counting 20185470) is 1, the average is 0.0625.
Base
System
Value
2
Binary
1001101000000000101111110
3
Ternary
1101222112021000
4
Quaternary
1031000011332
5
Quinary
20131413340
6
Senary
2000351130
8
Octal
115000576
10
Decimal
20185470
12
Duodecimal
69154a6
16
Hexadecimal
134017e
20
Vigesimal
6633da
36
Base36
c0n7i
md5
6f4cf004814bb106250a8c57e7b6639c
sha1
94691a7509cbd3ac5cb1796c6c4cbce606b26512
sha256
1311fd5e35468f4c53775a9f2a3dd4ac82ce5eb61537c3964c1bb35657449968
sha512
af2b7a5b56f7b344d5d202192a892ea03cf5ba1d8a4b5b8ee337e30bb9eafdd0936e67963963591da021261ae56113301b21d359b5158f4076a866e16f7dbe8d
ripemd-160
b39cb6e0e3757e7b7219b4ad172f47bcbd8de986
Diameter
40370940
Circumference
126829048.52251
Area
1.2800519770399E+15
Volume
3.4451267707972E+22
Surface area
5.1202079081595E+15
Circumference
126829048.52251
Perimeter
80741880
Area
407453199120900
Diagonal
28546565.436875
Surface area
2444719194725400
Volume
8.224634327259E+21
Space diagonal
34962259.614657
Perimeter
60556410
Area
1.7643241064597E+14
Altitude
17481129.807329
Surface area
1.7643241064597E+14
Volume
9.6928245093074E+20
Height
9515521.8122917