19211021 is an odd 8-digits composite number following 19211020
and preceding 19211022 . In scientific notation, it is written as 1.9211021 × 10^7.
The sum of its digits is 17. It has a total of 2 prime factors and 4 positive divisors.
There are 18548544 positive integers (up to 19211021) that are relatively prime to 19211021.
19211021 has 4 divisors, whose sum is 19873500
The reverse of 19211021 is 12011291
Previous prime number is 29
Is Prime? no
Number parity odd
Number length 8
Sum of Digits 17
Digital Root 8
Name
nineteen million two hundred eleven thousand twenty-one
Scientific notation
1.9211021 × 10^7
Engineering notation
1.9211021 × 10^6
Prime Factorization
29 × 662449
Composite number
ω
Distinct Factors
2
Total number of distinct prime factors
Ω
Total Factors
2
Total number of prime factors
rad
Radical
19211021
Product of the distinct prime numbers
The prime factorization of 19211021 is 29 × 662449.
Since it has a total of 2 prime factors.
2 , 3 , 85 , 89 , 548 , 768 , 4361 , 244 , 77999 , 22382 , 395302 , 98323 , 6396669 , 5629194 , 47211993 , 32475717 , 301629518 , 489163459 , 1475215910 , 8887498748
n×2
38422042
n×3
57633063
n×4
76844084
n×5
96055105
n÷2
9605510.5
n÷3
6403673.6666667
n÷3
4802755.25
n÷5
3842204.2
n2
369063327862441
n3
7.0900833418952E+21
n4
1.362077399729E+29
n5
2.6166897529819E+36
2 √n
4383.0378734389
3 √n
267.82440509776
4 √n
66.204515506413
5 √n
28.622666432619
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
-19211020
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 19211021 can be divided by 4 positive divisors.
The sum of these divisors (counting 19211021) is 1, the average is 0.25.
Base
System
Value
2
Binary
1001001010010001100001101
3
Ternary
1100011000120022
4
Quaternary
1021102030031
5
Quinary
14404223041
6
Senary
1523431525
8
Octal
111221415
10
Decimal
19211021
12
Duodecimal
65255a5
16
Hexadecimal
125230d
20
Vigesimal
6017b1
36
Base36
bfrbh
md5
3ade0a13915d8e57ef9d058f5e3488e7
sha1
00dce3d6de38230cb5617790d2d347d6d23530f1
sha256
f325322e4f99cc16bcfd21842e9c6c54793e115782963ceffed510a1efc36c6c
sha512
46fcb73d4ad9086f1ffbf9a3ff2ec9ebe36a7774791239cbc51e50577ca34c4523e64ad3f6ec12a86f9ad5892c28e23001f9bf8fbb30d39ffd30834d671df553
ripemd-160
4e70f57855ef69fafd2a05dd0284fcaa8befc1c2
Diameter
38422042
Circumference
120706404.88312
Area
1.159446639522E+15
Volume
2.969887165365E+22
Surface area
4.6377865580882E+15
Circumference
120706404.88312
Perimeter
76844084
Area
369063327862441
Diagonal
27168486.445234
Surface area
2214379967174646
Volume
7.0900833418952E+21
Space diagonal
33274464.437273
Perimeter
57633063
Area
1.5980910876705E+14
Altitude
16637232.218636
Surface area
1.5980910876705E+14
Volume
8.3557433503865E+20
Height
9056162.1484114