20051021 is an odd 8-digits composite number following 20051020
and preceding 20051022 . In scientific notation, it is written as 2.0051021 × 10^7.
The sum of its digits is 11. It has a total of 2 prime factors and 4 positive divisors.
There are 20041212 positive integers (up to 20051021) that are relatively prime to 20051021.
20051021 has 4 divisors, whose sum is 20060832
The reverse of 20051021 is 12015002
Previous prime number is 2903
Is Prime? no
Number parity odd
Number length 8
Sum of Digits 11
Digital Root 2
Name
twenty million fifty-one thousand twenty-one
Scientific notation
2.0051021 × 10^7
Engineering notation
2.0051021 × 10^6
Prime Factorization
2903 × 6907
Composite number
ω
Distinct Factors
2
Total number of distinct prime factors
Ω
Total Factors
2
Total number of prime factors
rad
Radical
20051021
Product of the distinct prime numbers
The prime factorization of 20051021 is 2903 × 6907.
Since it has a total of 2 prime factors.
7 , 4 , 30 , 74 , 845 , 495 , 6788 , 7831 , 76605 , 98610 , 275177 , 42281 , 839509 , 5344436 , 77252997 , 9135600 , 439562134 , 476181645 , 3707372772 , 1265359109
n×2
40102042
n×3
60153063
n×4
80204084
n×5
100255105
n÷2
10025510.5
n÷3
6683673.6666667
n÷3
5012755.25
n÷5
4010204.2
n2
402043443142441
n3
8.0613815213614E+21
n4
1.6163893017383E+29
n5
3.241025583333E+36
2 √n
4477.8366428444
3 √n
271.67238616101
4 √n
66.916639506511
5 √n
28.868704717263
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
-20051020
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 20051021 can be divided by 4 positive divisors.
The sum of these divisors (counting 20051021) is 1, the average is 0.25.
Base
System
Value
2
Binary
1001100011111010001001101
3
Ternary
1101201200211102
4
Quaternary
1030133101031
5
Quinary
20113113041
6
Senary
1553432445
8
Octal
114372115
10
Decimal
20051021
12
Duodecimal
686b725
16
Hexadecimal
131f44d
20
Vigesimal
6567b1
36
Base36
bxrgt
md5
9cf6a07ad1ef2ef1c82f34b15f5e1546
sha1
de85c03b45f6d505277a1589f38b51117edc1630
sha256
e40b36d35233b386d5fb51579ba3b3ea0e62b235c7e8d0d2d3fa7c5405680064
sha512
ba25197f0235a5c6f9c57bf74f4db86554fbe0ca0948a5cf9d8e99affa0216729c8ccc865eccd2cfb6c8099a7628afa3b14748632186b32fad3a7a31c9457697
ripemd-160
a136062d5ff8b2b8ec1c1b3b125725e877e6345a
Diameter
40102042
Circumference
125984280.54115
Area
1.2630567274002E+15
Volume
3.3767435953725E+22
Surface area
5.052226909601E+15
Circumference
125984280.54115
Perimeter
80204084
Area
402043443142441
Diagonal
28356425.837628
Surface area
2412260658854646
Volume
8.0613815213614E+21
Space diagonal
34729387.115631
Perimeter
60153063
Area
1.7408991759316E+14
Altitude
17364693.557815
Surface area
1.7408991759316E+14
Volume
9.5004292324776E+20
Height
9452141.9458759