20571890 is an even 8-digits composite number following 20571889
and preceding 20571891 . In scientific notation, it is written as 2.0571890 × 10^7.
The sum of its digits is 32. It has a total of 4 prime factors and 16 positive divisors.
There are 7870896 positive integers (up to 20571890) that are relatively prime to 20571890.
20571890 has 16 divisors, whose sum is 38639808
The reverse of 20571890 is 09817502
Previous prime number is 23
Is Prime? no
Number parity even
Number length 8
Sum of Digits 32
Digital Root 5
Name
twenty million five hundred seventy-one thousand eight hundred ninety
Scientific notation
2.0571890 × 10^7
Engineering notation
2.0571890 × 10^6
Prime Factorization
2 × 5 × 23 × 89443
Composite number
ω
Distinct Factors
4
Total number of distinct prime factors
Ω
Total Factors
4
Total number of prime factors
rad
Radical
20571890
Product of the distinct prime numbers
The prime factorization of 20571890 is 2 × 5 × 23 × 89443.
Since it has a total of 4 prime factors.
3 , 3 , 48 , 52 , 521 , 994 , 8954 , 6232 , 15917 , 68538 , 985354 , 109246 , 1738084 , 9388900 , 23299764 , 33369340 , 298344899 , 54962050 , 9280126913 , 8217675098
n×2
41143780
n×3
61715670
n×4
82287560
n×5
102859450
n÷2
10285945
n÷3
6857296.6666667
n÷3
5142972.5
n÷5
4114378
n2
423202658172100
n3
8.706078531624E+21
n4
1.7910048988393E+29
n5
3.6844355768383E+36
2 √n
4535.6245435441
3 √n
274.00473289994
4 √n
67.347045544286
5 √n
29.017155607762
1 , 2 , 5 , 10 , 23 , 46 , 115 , 230 , 89443 , 178886 , 447215 , 894430 , 2057189 , 4114378 , 10285945 , 20571890
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
-20571889
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 20571890 can be divided by 16 positive divisors.
The sum of these divisors (counting 20571890) is 1, the average is 0.0625.
Base
System
Value
2
Binary
1001110011110011011110010
3
Ternary
1102201011022212
4
Quaternary
1032132123302
5
Quinary
20231300030
6
Senary
2012532122
8
Octal
116363362
10
Decimal
20571890
12
Duodecimal
6a81042
16
Hexadecimal
139e6f2
20
Vigesimal
68b9ea
36
Base36
c8xde
md5
97c774e0b9fe575b6179a33627214f76
sha1
5e28a94bd1bdfccdb71be7380ab2533aa6d9883d
sha256
cf13a53cea91c22918b2521d79bb51981a91bd4c28f9aca8c1f7062c8175c84a
sha512
9cb2e7767968af4d108172a7293783708f2d02342508d7a37f7a0459e982990153f2e2d583ee360ea5efd0c6f719c7dfb80ff2490f94a50e27afe22e62f71c57
ripemd-160
d4a5f7304c62708149c1e89773b6ebc3a302ae30
Diameter
41143780
Circumference
129256996.98891
Area
1.3295303618931E+15
Volume
3.6467936475368E+22
Surface area
5.3181214475726E+15
Circumference
129256996.98891
Perimeter
82287560
Area
423202658172100
Diagonal
29093045.841647
Surface area
2539215949032600
Volume
8.706078531624E+21
Space diagonal
35631558.687718
Perimeter
61715670
Area
1.8325212646307E+14
Altitude
17815779.343859
Surface area
1.8325212646307E+14
Volume
1.0260211945423E+21
Height
9697681.9472158