20190221 is an odd 8-digits prime number following 20190220
and preceding 20190222 . In scientific notation, it is written as 2.0190221 × 10^7.
The sum of its digits is 17. It has a total of 1 prime factors and 2 positive divisors.
There are 20190220 positive integers (up to 20190221) that are relatively prime to 20190221.
20190221 has 2 divisors, whose sum is 20190222
The reverse of 20190221 is 12209102
Previous prime number is 1
Is Prime? yes
Number parity odd
Number length 8
Sum of Digits 17
Digital Root 8
Name
twenty million one hundred ninety thousand two hundred twenty-one
Scientific notation
2.0190221 × 10^7
Engineering notation
2.0190221 × 10^6
Prime Factorization
20190221
Composite number
ω
Distinct Factors
1
Total number of distinct prime factors
Ω
Total Factors
1
Total number of prime factors
rad
Radical
20190221
Product of the distinct prime numbers
The prime factorization of 20190221 is 20190221.
Since it has a total of 1 prime factors.
10 , 7 , 35 , 57 , 358 , 145 , 6884 , 5542 , 56250 , 6436 , 538878 , 337344 , 9816009 , 6420877 , 18247655 , 62610287 , 991215694 , 57039277 , 9867917088 , 8704085734
n×2
40380442
n×3
60570663
n×4
80760884
n×5
100951105
n÷2
10095110.5
n÷3
6730073.6666667
n÷3
5047555.25
n÷5
4038044.2
n2
407645024028841
n3
8.2304431246926E+21
n4
1.6617446561547E+29
n5
3.3550991853333E+36
2 √n
4493.3529796801
3 √n
272.29961308039
4 √n
67.032477051651
5 √n
28.908676854854
2 divisors
τ
Total Divisors
2
Total number of the positive divisors of n
σ
Sum of Divisors
20190222
Sum of all the positive divisors of n
s
Aliquot Sum
1
Sum of the proper positive divisors of n
A
Arithmetic Mean
10095111
Returns the sum of divisors (σ(n )) divided by the total number of divisors (τ(n ))
G
Geometric Mean
4493.3530909556
Returns the nth root of the product of n divisors
H
Harmonic Mean
1.9999999009421
Returns the total number of divisors (τ(n )) divided by the sum of the reciprocal of each divisors
The number 20190221 can be divided by 2 positive divisors.
The sum of these divisors (counting 20190221) is 20190222, the average is 10095111.
Base
System
Value
2
Binary
1001101000001010000001101
3
Ternary
1101222202202222
4
Quaternary
1031001100031
5
Quinary
20132041341
6
Senary
2000425125
8
Octal
115012015
10
Decimal
20190221
12
Duodecimal
69181a5
16
Hexadecimal
134140d
20
Vigesimal
663fb1
36
Base36
c0qvh
md5
2e719f92eb94f343342a52d490b6b45d
sha1
2ef9c3ff7ae8b14068e154cb8647a29cb859a37e
sha256
c1f2304c30bf5751dc59d074f11bfa4ba10130a987d1e0201968cd8d3f1d90da
sha512
464d83075256ae427f90287e26709c56d6313ae57e9a93c8dc6f198e33ddca290ecc6fcdcd796ce6cf8ac8815d340e1b40392c6ea019f3ad5965ce30d77f4e0a
ripemd-160
10f0513427dafac281a07d42a3b0aa3cdd34daa8
Diameter
40380442
Circumference
126858899.93591
Area
1.2806546127614E+15
Volume
3.4475599541764E+22
Surface area
5.1226184510458E+15
Circumference
126858899.93591
Perimeter
80760884
Area
407645024028841
Diagonal
28553284.36551
Surface area
2445870144173046
Volume
8.2304431246926E+21
Space diagonal
34970488.588044
Perimeter
60570663
Area
1.7651547326765E+14
Altitude
17485244.294022
Surface area
1.7651547326765E+14
Volume
9.6996702427339E+20
Height
9517761.45517