20143845 is an odd 8-digits composite number following 20143844
and preceding 20143846 . In scientific notation, it is written as 2.0143845 × 10^7.
The sum of its digits is 27. It has a total of 4 prime factors and 12 positive divisors.
There are 10743360 positive integers (up to 20143845) that are relatively prime to 20143845.
20143845 has 12 divisors, whose sum is 34916076
The reverse of 20143845 is 54834102
Previous prime number is 5
Is Prime? no
Number parity odd
Number length 8
Sum of Digits 27
Digital Root 9
Name
twenty million one hundred forty-three thousand eight hundred forty-five
Scientific notation
2.0143845 × 10^7
Engineering notation
2.0143845 × 10^6
Prime Factorization
3 × 3 × 5 × 447641
Composite number
ω
Distinct Factors
3
Total number of distinct prime factors
Ω
Total Factors
4
Total number of prime factors
rad
Radical
6714615
Product of the distinct prime numbers
The prime factorization of 20143845 is 3 × 3 × 5 × 447641.
Since it has a total of 4 prime factors.
3 , 3 , 99 , 34 , 394 , 268 , 9833 , 5461 , 10141 , 22499 , 915170 , 647349 , 8070984 , 9848852 , 62899226 , 56193306 , 229267055 , 763539190 , 8210885571 , 8499470507
n×2
40287690
n×3
60431535
n×4
80575380
n×5
100719225
n÷2
10071922.5
n÷3
6714615
n÷3
5035961.25
n÷5
4028769
n2
405774491384025
n3
8.1738584593936E+21
n4
1.6465293785796E+29
n5
3.3167432590055E+36
2 √n
4488.1895013468
3 √n
272.09096672655
4 √n
66.993951229546
5 √n
28.895384258604
1 , 3 , 5 , 9 , 15 , 45 , 447641 , 1342923 , 2238205 , 4028769 , 6714615 , 20143845
12 divisors
τ
Total Divisors
12
Total number of the positive divisors of n
σ
Sum of Divisors
1
Sum of all the positive divisors of n
s
Aliquot Sum
-20143844
Sum of the proper positive divisors of n
A
Arithmetic Mean
0.083333333333333
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
12
Returns the total number of divisors (τ(n )) divided by the sum of the reciprocal of each divisors
The number 20143845 can be divided by 12 positive divisors.
The sum of these divisors (counting 20143845) is 1, the average is 0.083333333333333.
Base
System
Value
2
Binary
1001100110101111011100101
3
Ternary
1101220102011100
4
Quaternary
1030311323211
5
Quinary
20124100340
6
Senary
1555430313
8
Octal
114657345
10
Decimal
20143845
12
Duodecimal
68b5399
16
Hexadecimal
1335ee5
20
Vigesimal
65hjc5
36
Base36
bzr39
md5
36af025ee920339d701b28ac28648fa4
sha1
c93cdd7be1bc2d275e8547609cba4c93a4911c82
sha256
96734fab358abbfc195b0961cefd61e3e5729725064ab8af2334b206ecef303d
sha512
54ebaaf16f9660d4860e37571ee10a57956d6c93605b97a510d227086b938574d80605649a911e9027524a745d321137f21f08e3cff141071e0afeaa829743cf
ripemd-160
2c12b39d6114cd5d90c43b9e2326688cfc9bc7a3
Diameter
40287690
Circumference
126567510.9341
Area
1.2747781611462E+15
Volume
3.4238578250018E+22
Surface area
5.0991126445848E+15
Circumference
126567510.9341
Perimeter
80575380
Area
405774491384025
Diagonal
28487698.797341
Surface area
2434646948304150
Volume
8.1738584593936E+21
Space diagonal
34890162.999792
Perimeter
60431535
Area
1.7570550887314E+14
Altitude
17445081.499896
Surface area
1.7570550887314E+14
Volume
9.6329845751604E+20
Height
9495899.5991138