20001980 is an even 8-digits composite number following 20001979
and preceding 20001981 . In scientific notation, it is written as 2.0001980 × 10^7.
The sum of its digits is 20. It has a total of 4 prime factors and 12 positive divisors.
There are 8000784 positive integers (up to 20001980) that are relatively prime to 20001980.
20001980 has 12 divisors, whose sum is 42004200
The reverse of 20001980 is 08910002
Previous prime number is 5
Is Prime? no
Number parity even
Number length 8
Sum of Digits 20
Digital Root 2
Name
twenty million one thousand nine hundred eighty
Scientific notation
2.0001980 × 10^7
Engineering notation
2.0001980 × 10^6
Prime Factorization
2 × 2 × 5 × 1000099
Composite number
ω
Distinct Factors
3
Total number of distinct prime factors
Ω
Total Factors
4
Total number of prime factors
rad
Radical
10000990
Product of the distinct prime numbers
The prime factorization of 20001980 is 2 × 2 × 5 × 1000099.
Since it has a total of 4 prime factors.
9 , 4 , 24 , 4 , 609 , 328 , 3148 , 1716 , 32666 , 2704 , 485777 , 905859 , 5902250 , 7753607 , 66620122 , 20418457 , 680849972 , 841797593 , 8665472956 , 465079001
n×2
40003960
n×3
60005940
n×4
80007920
n×5
100009900
n÷2
10000990
n÷3
6667326.6666667
n÷3
5000495
n÷5
4000396
n2
400079203920400
n3
8.0023762352318E+21
n4
1.6006336940958E+29
n5
3.2015843136631E+36
2 √n
4472.3573202507
3 √n
271.45071894204
4 √n
66.875685568454
5 √n
28.854569404685
1 , 2 , 4 , 5 , 10 , 20 , 1000099 , 2000198 , 4000396 , 5000495 , 10000990 , 20001980
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
-20001979
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 20001980 can be divided by 12 positive divisors.
The sum of these divisors (counting 20001980) is 1, the average is 0.083333333333333.
Base
System
Value
2
Binary
1001100010011010010111100
3
Ternary
1101122012120002
4
Quaternary
1030103102330
5
Quinary
20110030410
6
Senary
1552413432
8
Octal
114232274
10
Decimal
20001980
12
Duodecimal
6847278
16
Hexadecimal
13134bc
20
Vigesimal
6504j0
36
Base36
bwpmk
md5
e006d897ca5530c831aba14ef83367f2
sha1
d7c0e8e9befccfaa0327f8b287a03ccbe5e268aa
sha256
5fbd59f3a66dedb8b849fbc02919342463c8ce5fde70628bbefaa705a1a973a0
sha512
2e0ecb27dad66ba85f72a69b916e3d26ff133197d27236d2a1f7f6d53e8d189f68ee4ee35e72884f246305471f101c28a98b96d0beab3d5317c42f973b7e64a9
ripemd-160
f994d8a54a5a10cd7c8daf4e6963131370f6f581
Diameter
40003960
Circumference
125676146.8505
Area
1.2568858878904E+15
Volume
3.3520275189154E+22
Surface area
5.0275435515615E+15
Circumference
125676146.8505
Perimeter
80007920
Area
400079203920400
Diagonal
28287071.390315
Surface area
2400475223522400
Volume
8.0023762352318E+21
Space diagonal
34644445.611977
Perimeter
60005940
Area
1.7323937706046E+14
Altitude
17322222.805988
Surface area
1.7323937706046E+14
Volume
9.4308908358974E+20
Height
9429023.7967718