20091980 is an even 8-digits composite number following 20091979
and preceding 20091981 . In scientific notation, it is written as 2.0091980 × 10^7.
The sum of its digits is 29. It has a total of 4 prime factors and 12 positive divisors.
There are 8036784 positive integers (up to 20091980) that are relatively prime to 20091980.
20091980 has 12 divisors, whose sum is 42193200
The reverse of 20091980 is 08919002
Previous prime number is 5
Is Prime? no
Number parity even
Number length 8
Sum of Digits 29
Digital Root 2
Name
twenty million ninety-one thousand nine hundred eighty
Scientific notation
2.0091980 × 10^7
Engineering notation
2.0091980 × 10^6
Prime Factorization
2 × 2 × 5 × 1004599
Composite number
ω
Distinct Factors
3
Total number of distinct prime factors
Ω
Total Factors
4
Total number of prime factors
rad
Radical
10045990
Product of the distinct prime numbers
The prime factorization of 20091980 is 2 × 2 × 5 × 1004599.
Since it has a total of 4 prime factors.
1 , 6 , 33 , 61 , 94 , 157 , 6395 , 3372 , 68024 , 27256 , 825878 , 148076 , 1818935 , 4798479 , 4102847 , 34482080 , 61422990 , 264048724 , 4119503493 , 9456760533
n×2
40183960
n×3
60275940
n×4
80367920
n×5
100459900
n÷2
10045990
n÷3
6697326.6666667
n÷3
5022995
n÷5
4018396
n2
403687660320400
n3
8.1108843974043E+21
n4
1.6296372709496E+29
n5
3.2742639455174E+36
2 √n
4482.4078350815
3 √n
271.8572455927
4 √n
66.950786665143
5 √n
28.880489337089
1 , 2 , 4 , 5 , 10 , 20 , 1004599 , 2009198 , 4018396 , 5022995 , 10045990 , 20091980
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
-20091979
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 20091980 can be divided by 12 positive divisors.
The sum of these divisors (counting 20091980) is 1, the average is 0.083333333333333.
Base
System
Value
2
Binary
1001100101001010001001100
3
Ternary
1101210210000102
4
Quaternary
1030221101030
5
Quinary
20120420410
6
Senary
1554350232
8
Octal
114512114
10
Decimal
20091980
12
Duodecimal
688b378
16
Hexadecimal
132944c
20
Vigesimal
65b9j0
36
Base36
byn2k
md5
b3116f57b7b73a672d75ff04bc63ee30
sha1
ffe50a72aef752554c8f11b0d6306f3f5d84e5ed
sha256
1eb3c9722bb017e924c26b814176da1c0ae42d40b3bdc28fcfb4568eda6f0eed
sha512
42247120179c99b75209d1e710b75a57f3c26543bf8b73024e4451ab4c329b4f4bb7030ef9fb436e99ca5e35ca20c658f86667a3c02c4aa8011fff3e012acdda
ripemd-160
9a5b249299b957594ff7f32ea144a11674c1a466
Diameter
40183960
Circumference
126241633.52815
Area
1.2682221880074E+15
Volume
3.3974793116002E+22
Surface area
5.0728887520297E+15
Circumference
126241633.52815
Perimeter
80367920
Area
403687660320400
Diagonal
28414350.610929
Surface area
2422125961922400
Volume
8.1108843974043E+21
Space diagonal
34800330.184658
Perimeter
60275940
Area
1.7480188451588E+14
Altitude
17400165.092329
Surface area
1.7480188451588E+14
Volume
9.5587689313745E+20
Height
9471450.203643