20185724 is an even 8-digits composite number following 20185723
and preceding 20185725 . In scientific notation, it is written as 2.0185724 × 10^7.
The sum of its digits is 29. It has a total of 4 prime factors and 12 positive divisors.
There are 9316464 positive integers (up to 20185724) that are relatively prime to 20185724.
20185724 has 12 divisors, whose sum is 38042424
The reverse of 20185724 is 42758102
Previous prime number is 13
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 twenty-four
Scientific notation
2.0185724 × 10^7
Engineering notation
2.0185724 × 10^6
Prime Factorization
2 × 2 × 13 × 388187
Composite number
ω
Distinct Factors
3
Total number of distinct prime factors
Ω
Total Factors
4
Total number of prime factors
rad
Radical
10092862
Product of the distinct prime numbers
The prime factorization of 20185724 is 2 × 2 × 13 × 388187.
Since it has a total of 4 prime factors.
5 , 8 , 85 , 45 , 47 , 218 , 7022 , 4031 , 65255 , 58728 , 327819 , 304719 , 7447571 , 8273598 , 94537821 , 80717002 , 773305860 , 461551150 , 762824037 , 721079739
n×2
40371448
n×3
60557172
n×4
80742896
n×5
100928620
n÷2
10092862
n÷3
6728574.6666667
n÷3
5046431
n÷5
4037144.8
n2
407463453404176
n3
8.2249448105036E+21
n4
1.6602646586006E+29
n5
3.3513644165465E+36
2 √n
4492.852545989
3 √n
272.2793950041
4 √n
67.028744177323
5 √n
28.907388965003
1 , 2 , 4 , 13 , 26 , 52 , 388187 , 776374 , 1552748 , 5046431 , 10092862 , 20185724
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
-20185723
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 20185724 can be divided by 12 positive divisors.
The sum of these divisors (counting 20185724) is 1, the average is 0.083333333333333.
Base
System
Value
2
Binary
1001101000000001001111100
3
Ternary
1101222112121102
4
Quaternary
1031000021330
5
Quinary
20131420344
6
Senary
2000352232
8
Octal
115001174
10
Decimal
20185724
12
Duodecimal
6915678
16
Hexadecimal
134027c
20
Vigesimal
663464
36
Base36
c0nek
md5
2a765a6a9b082a10eb3614eac447ce9d
sha1
f190fbb69d82c37d5896be53b5990f1db29ffcc1
sha256
f109873708ac6f65bf5b7a1e42fce7d43581a5e1492e48251a3c20b6314ec99d
sha512
431d6cd500411d42b5a5ddf4b52ac54e6c0fce75ced5ee20d60eb8e23efa0add2329e379dbd66c74451bc48c74fa7bbb7897ef8da35eaa4be5f0f9580bffa4e8
ripemd-160
550a1a1f7864cabd2c4d29ae84b0816b029b25f0
Diameter
40371448
Circumference
126830644.45158
Area
1.2800841918209E+15
Volume
3.4452568257146E+22
Surface area
5.1203367672835E+15
Circumference
126830644.45158
Perimeter
80742896
Area
407463453404176
Diagonal
28546924.64712
Surface area
2444780720425056
Volume
8.2249448105036E+21
Space diagonal
34962699.555562
Perimeter
60557172
Area
1.7643685088088E+14
Altitude
17481349.777781
Surface area
1.7643685088088E+14
Volume
9.6931904173203E+20
Height
9515641.54904