20077821 is an odd 8-digits composite number following 20077820
and preceding 20077822 . In scientific notation, it is written as 2.0077821 × 10^7.
The sum of its digits is 27. It has a total of 3 prime factors and 8 positive divisors.
There are 13353984 positive integers (up to 20077821) that are relatively prime to 20077821.
20077821 has 8 divisors, whose sum is 20870080
The reverse of 20077821 is 12877002
Previous prime number is 769
Is Prime? no
Number parity odd
Number length 8
Sum of Digits 27
Digital Root 9
Name
twenty million seventy-seven thousand eight hundred twenty-one
Scientific notation
2.0077821 × 10^7
Engineering notation
2.0077821 × 10^6
Prime Factorization
27 × 769 × 967
Composite number
ω
Distinct Factors
3
Total number of distinct prime factors
Ω
Total Factors
3
Total number of prime factors
rad
Radical
20077821
Product of the distinct prime numbers
The prime factorization of 20077821 is 27 × 769 × 967.
Since it has a total of 3 prime factors.
6 , 2 , 68 , 18 , 639 , 616 , 3037 , 7844 , 63219 , 40544 , 601576 , 141881 , 5224638 , 3631541 , 2618708 , 95497522 , 421739731 , 214952510 , 5169470500 , 9423415072
n×2
40155642
n×3
60233463
n×4
80311284
n×5
100389105
n÷2
10038910.5
n÷3
6692607
n÷3
5019455.25
n÷5
4015564.2
n2
403118896108041
n3
8.0937490377748E+21
n4
1.6250484439937E+29
n5
3.2627431774833E+36
2 √n
4480.8281600615
3 √n
271.79337049943
4 √n
66.938988340589
5 √n
28.876417720804
8 divisors
τ
Total Divisors
8
Total number of the positive divisors of n
σ
Sum of Divisors
1
Sum of all the positive divisors of n
s
Aliquot Sum
-20077820
Sum of the proper positive divisors of n
A
Arithmetic Mean
0.125
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
8
Returns the total number of divisors (τ(n )) divided by the sum of the reciprocal of each divisors
The number 20077821 can be divided by 8 positive divisors.
The sum of these divisors (counting 20077821) is 1, the average is 0.125.
Base
System
Value
2
Binary
1001100100101110011111101
3
Ternary
1101210001121000
4
Quaternary
1030211303331
5
Quinary
20114442241
6
Senary
1554200513
8
Octal
114456375
10
Decimal
20077821
12
Duodecimal
6883139
16
Hexadecimal
1325cfd
20
Vigesimal
659eb1
36
Base36
byc59
md5
a01dfd0bb9d5d3d55031b04a38d51f70
sha1
e493b4e785bda4d1f8e7d81079256dc37d5d62fd
sha256
64ad3ab31d4eb0699a42f89e6826aa5a5c6518a6db847f12e40976e3a2826424
sha512
d93461b3730de1b5ed7d69d640a4a90e084d513d4d57dcb3b65d6587361b480237bc190dc8c806a57a2b1d1c4bf257f40846d3265e5e8fe5fb46cf7ae5bfb336
ripemd-160
fc7b4cf78c715f0e4691f8da18270fa141d7318f
Diameter
40155642
Circumference
126152669.90738
Area
1.2664353625362E+15
Volume
3.3903016689431E+22
Surface area
5.065741450145E+15
Circumference
126152669.90738
Perimeter
80311284
Area
403118896108041
Diagonal
28394326.761099
Surface area
2418713376648246
Volume
8.0937490377748E+21
Space diagonal
34775806.077273
Perimeter
60233463
Area
1.7455560238755E+14
Altitude
17387903.038637
Surface area
1.7455560238755E+14
Volume
9.5385747163878E+20
Height
9464775.5870331