20155730 is an even 8-digits composite number following 20155729
and preceding 20155731 . In scientific notation, it is written as 2.0155730 × 10^7.
The sum of its digits is 23. It has a total of 4 prime factors and 16 positive divisors.
There are 6910512 positive integers (up to 20155730) that are relatively prime to 20155730.
20155730 has 16 divisors, whose sum is 41463360
The reverse of 20155730 is 03755102
Previous prime number is 5
Is Prime? no
Number parity even
Number length 8
Sum of Digits 23
Digital Root 5
Name
twenty million one hundred fifty-five thousand seven hundred thirty
Scientific notation
2.0155730 × 10^7
Engineering notation
2.0155730 × 10^6
Prime Factorization
2 × 7 × 5 × 287939
Composite number
ω
Distinct Factors
4
Total number of distinct prime factors
Ω
Total Factors
4
Total number of prime factors
rad
Radical
20155730
Product of the distinct prime numbers
The prime factorization of 20155730 is 2 × 7 × 5 × 287939.
Since it has a total of 4 prime factors.
5 , 9 , 12 , 42 , 733 , 950 , 214 , 6035 , 16945 , 91881 , 252880 , 518456 , 4717511 , 8653881 , 77898766 , 14909420 , 31353134 , 284916712 , 608692831 , 539298941
n×2
40311460
n×3
60467190
n×4
80622920
n×5
100778650
n÷2
10077865
n÷3
6718576.6666667
n÷3
5038932.5
n÷5
4031146
n2
406253451832900
n3
8.1883348867119E+21
n4
1.6504186712615E+29
n5
3.3265393124905E+36
2 √n
4489.5133366547
3 √n
272.1444680212
4 √n
67.003830761044
5 √n
28.898793147247
1 , 2 , 5 , 7 , 10 , 14 , 35 , 70 , 287939 , 575878 , 1439695 , 2015573 , 2879390 , 4031146 , 10077865 , 20155730
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
-20155729
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 20155730 can be divided by 16 positive divisors.
The sum of these divisors (counting 20155730) is 1, the average is 0.0625.
Base
System
Value
2
Binary
1001100111000110101010010
3
Ternary
1101221000110112
4
Quaternary
1030320311102
5
Quinary
20124440410
6
Senary
2000001322
8
Octal
114706522
10
Decimal
20155730
12
Duodecimal
6900242
16
Hexadecimal
1338d52
20
Vigesimal
65j96a
36
Base36
c009e
md5
f9309b655d764fde46d27a119d7de4ec
sha1
48eb1dea12672816f5546272729d4f6b4d948c65
sha256
cacb9401c7f2908ca003486de183d213b2e56dca319b5a4c895f91aae2037fb6
sha512
5f6a6c84f23d253e1b6fd3a1c345f4be9a3496a572af348a61487be671df3bae694d44ba03fba6de928a7f3600d3c6473c8787f1f3775d4f6ece90d1f1c87614
ripemd-160
2fe99ab8d0a42805a4d97887a730d38ceac0ed2e
Diameter
40311460
Circumference
126642186.59148
Area
1.2762828597737E+15
Volume
3.429921696697E+22
Surface area
5.1051314390949E+15
Circumference
126642186.59148
Perimeter
80622920
Area
406253451832900
Diagonal
28504506.72553
Surface area
2437520710997400
Volume
8.1883348867119E+21
Space diagonal
34910748.42364
Perimeter
60467190
Area
1.759129048312E+14
Altitude
17455374.21182
Surface area
1.759129048312E+14
Volume
9.6500452083673E+20
Height
9501502.2418434