20001921 is an odd 8-digits composite number following 20001920
and preceding 20001922 . In scientific notation, it is written as 2.0001921 × 10^7.
The sum of its digits is 15. It has a total of 3 prime factors and 8 positive divisors.
There are 13173792 positive integers (up to 20001921) that are relatively prime to 20001921.
20001921 has 8 divisors, whose sum is 26990880
The reverse of 20001921 is 12910002
Previous prime number is 83
Is Prime? no
Number parity odd
Number length 8
Sum of Digits 15
Digital Root 6
Name
twenty million one thousand nine hundred twenty-one
Scientific notation
2.0001921 × 10^7
Engineering notation
2.0001921 × 10^6
Prime Factorization
3 × 83 × 80329
Composite number
ω
Distinct Factors
3
Total number of distinct prime factors
Ω
Total Factors
3
Total number of prime factors
rad
Radical
20001921
Product of the distinct prime numbers
The prime factorization of 20001921 is 3 × 83 × 80329.
Since it has a total of 3 prime factors.
7 , 1 , 72 , 15 , 377 , 619 , 1063 , 6140 , 71942 , 66961 , 926689 , 155790 , 1400582 , 3845130 , 22543301 , 28861311 , 451251704 , 21263134 , 3386162566 , 1498522028
n×2
40003842
n×3
60005763
n×4
80007684
n×5
100009605
n÷2
10000960.5
n÷3
6667307
n÷3
5000480.25
n÷5
4000384.2
n2
400076843690241
n3
8.0023054214215E+21
n4
1.6006148085715E+29
n5
3.2015370952476E+36
2 √n
4472.3507241718
3 √n
271.45045204166
4 √n
66.875636252463
5 √n
28.854552382154
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
-20001920
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 20001921 can be divided by 8 positive divisors.
The sum of these divisors (counting 20001921) is 1, the average is 0.125.
Base
System
Value
2
Binary
1001100010011010010000001
3
Ternary
1101122012110220
4
Quaternary
1030103102001
5
Quinary
20110030141
6
Senary
1552413253
8
Octal
114232201
10
Decimal
20001921
12
Duodecimal
6847229
16
Hexadecimal
1313481
20
Vigesimal
6504g1
36
Base36
bwpkx
md5
0288fa30f62208d85fd1fc7146aea8b7
sha1
73a236afeb01e92b043df13ec57126f0023623ae
sha256
3c876956d9cd6ddac47a117293bc2658ee32b62f6e54c033eeed8a15fe5824c0
sha512
7b38ee5ad587c7c4094eda3300f41ff22daf4f0dd94953375957caaa9e6087a24684d884097d227111b205c7ce5b23461ea15af1ba84edbafe38cce6c18de903
ripemd-160
95dd5ee71154a1a9d7e264ae7760154f62e7fd32
Diameter
40003842
Circumference
125675776.14257
Area
1.2568784730087E+15
Volume
3.351997856496E+22
Surface area
5.0275138920346E+15
Circumference
125675776.14257
Perimeter
80007684
Area
400076843690241
Diagonal
28286987.951715
Surface area
2400461062141446
Volume
8.0023054214215E+21
Space diagonal
34644343.420979
Perimeter
60005763
Area
1.7323835505082E+14
Altitude
17322171.710489
Surface area
1.7323835505082E+14
Volume
9.4308073810218E+20
Height
9428995.9839051