20731980 is an even 8-digits composite number following 20731979
and preceding 20731981 . In scientific notation, it is written as 2.0731980 × 10^7.
The sum of its digits is 30. It has a total of 5 prime factors and 24 positive divisors.
There are 5528512 positive integers (up to 20731980) that are relatively prime to 20731980.
20731980 has 24 divisors, whose sum is 58049712
The reverse of 20731980 is 08913702
Previous prime number is 5
Is Prime? no
Number parity even
Number length 8
Sum of Digits 30
Digital Root 3
Name
twenty million seven hundred thirty-one thousand nine hundred eighty
Scientific notation
2.0731980 × 10^7
Engineering notation
2.0731980 × 10^6
Prime Factorization
2 × 2 × 3 × 5 × 345533
Composite number
ω
Distinct Factors
4
Total number of distinct prime factors
Ω
Total Factors
5
Total number of prime factors
rad
Radical
10365990
Product of the distinct prime numbers
The prime factorization of 20731980 is 2 × 2 × 3 × 5 × 345533.
Since it has a total of 5 prime factors.
6 , 8 , 41 , 80 , 453 , 296 , 7562 , 2315 , 59770 , 83059 , 139747 , 588533 , 5693252 , 6978185 , 56935528 , 33813196 , 156490515 , 723745208 , 2821087450 , 592297074
n×2
41463960
n×3
62195940
n×4
82927920
n×5
103659900
n÷2
10365990
n÷3
6910660
n÷3
5182995
n÷5
4146396
n2
429814994720400
n3
8.9109158742434E+21
n4
1.847409296865E+29
n5
3.8300452594419E+36
2 √n
4553.2384079905
3 √n
274.71366339543
4 √n
67.47768822352
5 √n
29.062177854791
1 , 2 , 3 , 4 , 5 , 6 , 10 , 12 , 15 , 20 , 30 , 60 , 345533 , 691066 , 1036599 , 1382132 , 1727665 , 2073198 , 3455330 , 4146396 , 5182995 , 6910660 , 10365990 , 20731980
24 divisors
τ
Total Divisors
24
Total number of the positive divisors of n
σ
Sum of Divisors
1
Sum of all the positive divisors of n
s
Aliquot Sum
-20731979
Sum of the proper positive divisors of n
A
Arithmetic Mean
0.041666666666667
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
24
Returns the total number of divisors (τ(n )) divided by the sum of the reciprocal of each divisors
The number 20731980 can be divided by 24 positive divisors.
The sum of these divisors (counting 20731980) is 1, the average is 0.041666666666667.
Base
System
Value
2
Binary
1001111000101100001001100
3
Ternary
1110000021221010
4
Quaternary
1033011201030
5
Quinary
20301410410
6
Senary
2020205220
8
Octal
117054114
10
Decimal
20731980
12
Duodecimal
6b39810
16
Hexadecimal
13c584c
20
Vigesimal
69b9j0
36
Base36
cccwc
md5
a15d847bbb6b81e15b3b54ed4acede47
sha1
3f3985914d5c4a660e66ab60ea9d10341873ae02
sha256
7f5a7765a29f321c7b89142f78bd5defddbc3449b97fb8463e4cb7ce372d3b52
sha512
cf91e8a7e6b9e21b4bcede7d2a1f07031298a9babfcaa9ae8c21503cac45c4c89931b35d1f06e78d630a5321442089be823c1e00485732ed43138afd2e87daf5
ripemd-160
5f58151a577c8765c24708a94c4a452ab0c93379
Diameter
41463960
Circumference
130262872.12474
Area
1.3503036298163E+15
Volume
3.7325957129706E+22
Surface area
5.4012145192654E+15
Circumference
130262872.12474
Perimeter
82927920
Area
429814994720400
Diagonal
29319447.290848
Surface area
2578889968322400
Volume
8.9109158742434E+21
Space diagonal
35908842.701502
Perimeter
62195940
Area
1.8611535217767E+14
Altitude
17954421.350751
Surface area
1.8611535217767E+14
Volume
1.0501615068767E+21
Height
9773149.0969493