20185742 is an even 8-digits composite number following 20185741
and preceding 20185743 . In scientific notation, it is written as 2.0185742 × 10^7.
The sum of its digits is 29. It has a total of 2 prime factors and 4 positive divisors.
There are 10092870 positive integers (up to 20185742) that are relatively prime to 20185742.
20185742 has 4 divisors, whose sum is 30278616
The reverse of 20185742 is 24758102
Previous prime number is 2
Is Prime? no
Number parity even
Number length 8
Sum of Digits 29
Digital Root 2
Name
twenty million one hundred eighty-five thousand seven hundred forty-two
Scientific notation
2.0185742 × 10^7
Engineering notation
2.0185742 × 10^6
Prime Factorization
2 × 10092871
Composite number
ω
Distinct Factors
2
Total number of distinct prime factors
Ω
Total Factors
2
Total number of prime factors
rad
Radical
20185742
Product of the distinct prime numbers
The prime factorization of 20185742 is 2 × 10092871.
Since it has a total of 2 prime factors.
5 , 9 , 97 , 57 , 80 , 745 , 5861 , 6260 , 11379 , 49066 , 947872 , 581651 , 7909793 , 7063207 , 94804031 , 77961948 , 654126199 , 850761768 , 178158503 , 8337752867
n×2
40371484
n×3
60557226
n×4
80742968
n×5
100928710
n÷2
10092871
n÷3
6728580.6666667
n÷3
5046435.5
n÷5
4037148.4
n2
407464180090564
n3
8.2249668135497E+21
n4
1.6602705805688E+29
n5
3.3513793589551E+36
2 √n
4492.8545491703
3 √n
272.27947593634
4 √n
67.028759120025
5 √n
28.907394120456
4 divisors
τ
Total Divisors
4
Total number of the positive divisors of n
σ
Sum of Divisors
1
Sum of all the positive divisors of n
s
Aliquot Sum
-20185741
Sum of the proper positive divisors of n
A
Arithmetic Mean
0.25
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
4
Returns the total number of divisors (τ(n )) divided by the sum of the reciprocal of each divisors
The number 20185742 can be divided by 4 positive divisors.
The sum of these divisors (counting 20185742) is 1, the average is 0.25.
Base
System
Value
2
Binary
1001101000000001010001110
3
Ternary
1101222112122002
4
Quaternary
1031000022032
5
Quinary
20131420432
6
Senary
2000352302
8
Octal
115001216
10
Decimal
20185742
12
Duodecimal
6915692
16
Hexadecimal
134028e
20
Vigesimal
663472
36
Base36
c0nf2
md5
2fd8af808c09468fb82b4864e08dac0f
sha1
b1ed1a6b4939842bd0e593e01454a2a560e7c37e
sha256
2d73af852ba33978a1c5ad0497462b319c6989f07f1c221aec2e3fcd9a6f4978
sha512
dc18faddee63ebbf13d4c622fc3c563cb706f03dbfe3d8e83554c898184d9723b8cc16a93b1852b43f15fba7f7c871abbcc895c64f60c350536d6778eee25749
ripemd-160
a7b3960484e2a9219815fdeb4271789dadcc8214
Diameter
40371484
Circumference
126830757.54892
Area
1.2800864747735E+15
Volume
3.445266042329E+22
Surface area
5.120345899094E+15
Circumference
126830757.54892
Perimeter
80742968
Area
407464180090564
Diagonal
28546950.102964
Surface area
2444785080543384
Volume
8.2249668135497E+21
Space diagonal
34962730.732477
Perimeter
60557226
Area
1.7643716554531E+14
Altitude
17481365.366239
Surface area
1.7643716554531E+14
Volume
9.6932163481588E+20
Height
9515650.0343214