20072081 is an odd 8-digits composite number following 20072080
and preceding 20072082 . In scientific notation, it is written as 2.0072081 × 10^7.
The sum of its digits is 20. It has a total of 2 prime factors and 4 positive divisors.
There are 19846464 positive integers (up to 20072081) that are relatively prime to 20072081.
20072081 has 4 divisors, whose sum is 20297700
The reverse of 20072081 is 18027002
Previous prime number is 89
Is Prime? no
Number parity odd
Number length 8
Sum of Digits 20
Digital Root 2
Name
twenty million seventy-two thousand eighty-one
Scientific notation
2.0072081 × 10^7
Engineering notation
2.0072081 × 10^6
Prime Factorization
89 × 225529
Composite number
ω
Distinct Factors
2
Total number of distinct prime factors
Ω
Total Factors
2
Total number of prime factors
rad
Radical
20072081
Product of the distinct prime numbers
The prime factorization of 20072081 is 89 × 225529.
Since it has a total of 2 prime factors.
6 , 7 , 89 , 33 , 999 , 773 , 3698 , 9188 , 17719 , 80164 , 633097 , 969736 , 8669557 , 951366 , 7519824 , 21292994 , 88933659 , 43938771 , 8367429660 , 7933446440
n×2
40144162
n×3
60216243
n×4
80288324
n×5
100360405
n÷2
10036040.5
n÷3
6690693.6666667
n÷3
5018020.25
n÷5
4014416.2
n2
402888435670561
n3
8.0868093147428E+21
n4
1.6231909159707E+29
n5
3.2580819543828E+36
2 √n
4480.1876076789
3 √n
271.76746724627
4 √n
66.934203570962
5 √n
28.874766450027
4 divisors
τ
Total Divisors
4
Total number of the positive divisors of n
σ
Sum of Divisors
1
Sum of all the positive divisors of n
s
Aliquot Sum
-20072080
Sum of the proper positive divisors of n
A
Arithmetic Mean
0.25
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
4
Returns the total number of divisors (τ(n )) divided by the sum of the reciprocal of each divisors
The number 20072081 can be divided by 4 positive divisors.
The sum of these divisors (counting 20072081) is 1, the average is 0.25.
Base
System
Value
2
Binary
1001100100100011010010001
3
Ternary
1101202202201102
4
Quaternary
1030210122101
5
Quinary
20114301311
6
Senary
1554114145
8
Octal
114443221
10
Decimal
20072081
12
Duodecimal
687b955
16
Hexadecimal
1324691
20
Vigesimal
659041
36
Base36
by7pt
md5
8588b6ff56127ba0b66fc5ddaa98552f
sha1
d1c5a208a07d072b701cef3765036b0bcfe36ca7
sha256
f1b45057f4249643e6d226b618f73f69203030c659b0859520b75746ba75c961
sha512
0708ea23018773fe2c29192e7cc2562d966b6b49e4282e3450d9ce643667d601efedcc3dcdae171c5c0784cce5d48ba4523d2fd32f1f1aeb5c2c3c4d4fd01fb7
ripemd-160
e7b796c9a48d2306d1196ada38fc5d39eb0df86c
Diameter
40144162
Circumference
126116604.42372
Area
1.2657113497189E+15
Volume
3.387394764557E+22
Surface area
5.0628453988757E+15
Circumference
126116604.42372
Perimeter
80288324
Area
402888435670561
Diagonal
28386209.175251
Surface area
2417330614023366
Volume
8.0868093147428E+21
Space diagonal
34765864.105638
Perimeter
60216243
Area
1.7445581009084E+14
Altitude
17382932.052819
Surface area
1.7445581009084E+14
Volume
9.5303961743619E+20
Height
9462069.7250838