20003921 is an odd 8-digits composite number following 20003920
and preceding 20003922 . In scientific notation, it is written as 2.0003921 × 10^7.
The sum of its digits is 17. It has a total of 3 prime factors and 8 positive divisors.
There are 17069328 positive integers (up to 20003921) that are relatively prime to 20003921.
20003921 has 8 divisors, whose sum is 22964160
The reverse of 20003921 is 12930002
Previous prime number is 227
Is Prime? no
Number parity odd
Number length 8
Sum of Digits 17
Digital Root 8
Name
twenty million three thousand nine hundred twenty-one
Scientific notation
2.0003921 × 10^7
Engineering notation
2.0003921 × 10^6
Prime Factorization
7 × 227 × 12589
Composite number
ω
Distinct Factors
3
Total number of distinct prime factors
Ω
Total Factors
3
Total number of prime factors
rad
Radical
20003921
Product of the distinct prime numbers
The prime factorization of 20003921 is 7 × 227 × 12589.
Since it has a total of 3 prime factors.
7 , 7 , 76 , 15 , 179 , 751 , 1461 , 448 , 8125 , 8380 , 619983 , 285569 , 5057850 , 4159795 , 56688120 , 82675839 , 628315928 , 874120008 , 9025462316 , 5571986840
n×2
40007842
n×3
60011763
n×4
80015684
n×5
100019605
n÷2
10001960.5
n÷3
6667973.6666667
n÷3
5000980.25
n÷5
4000784.2
n2
400156855374241
n3
8.0047061225147E+21
n4
1.60125508903E+29
n5
3.2031380301804E+36
2 √n
4472.5743146425
3 √n
271.45949921952
4 √n
66.87730792012
5 √n
28.855129394699
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
-20003920
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 20003921 can be divided by 8 positive divisors.
The sum of these divisors (counting 20003921) is 1, the average is 0.125.
Base
System
Value
2
Binary
1001100010011110001010001
3
Ternary
1101122022012222
4
Quaternary
1030103301101
5
Quinary
20110111141
6
Senary
1552430425
8
Octal
114236121
10
Decimal
20003921
12
Duodecimal
6848415
16
Hexadecimal
1313c51
20
Vigesimal
6509g1
36
Base36
bwr4h
md5
282fa1c9a3a05a663a474ed6e174a930
sha1
21d0641841aaa2e63d94f24bda858e1909a9a907
sha256
8f6a7ff5bf0ab7d99b51c2004d9593fe63e3103e34ad6ac6f98be0f1f4f1d796
sha512
f858ddc2364a93648f3fb0bcc0cdeac0c0c663e14b9a7b047f67e4cc91e3240252c1fcad4000a5284664015a8e8714d4196181ccb1b1d0aa213a733481417ac1
ripemd-160
55311e6b8967c9912dc449803c6d714da3f7e43c
Diameter
40007842
Circumference
125688342.51318
Area
1.2571298371273E+15
Volume
3.3530034598183E+22
Surface area
5.0285193485092E+15
Circumference
125688342.51318
Perimeter
80015684
Area
400156855374241
Diagonal
28289816.37884
Surface area
2400941132245446
Volume
8.0047061225147E+21
Space diagonal
34647807.522594
Perimeter
60011763
Area
1.7327300112629E+14
Altitude
17323903.761297
Surface area
1.7327300112629E+14
Volume
9.4336366343927E+20
Height
9429938.7929467