20921144 is an even 8-digits composite number following 20921143
and preceding 20921145 . In scientific notation, it is written as 2.0921144 × 10^7.
The sum of its digits is 23. It has a total of 5 prime factors and 16 positive divisors.
There are 10312960 positive integers (up to 20921144) that are relatively prime to 20921144.
20921144 has 16 divisors, whose sum is 39780720
The reverse of 20921144 is 44112902
Previous prime number is 71
Is Prime? no
Number parity even
Number length 8
Sum of Digits 23
Digital Root 5
Name
twenty million nine hundred twenty-one thousand one hundred forty-four
Scientific notation
2.0921144 × 10^7
Engineering notation
2.0921144 × 10^6
Prime Factorization
2 × 2 × 2 × 71 × 36833
Composite number
ω
Distinct Factors
3
Total number of distinct prime factors
Ω
Total Factors
5
Total number of prime factors
rad
Radical
5230286
Product of the distinct prime numbers
The prime factorization of 20921144 is 2 × 2 × 2 × 71 × 36833.
Since it has a total of 5 prime factors.
3 , 2 , 87 , 12 , 585 , 494 , 878 , 7114 , 5557 , 52769 , 989205 , 691473 , 7629049 , 3070927 , 71435812 , 3383822 , 271995386 , 452087320 , 5189758703 , 3532584783
n×2
41842288
n×3
62763432
n×4
83684576
n×5
104605720
n÷2
10460572
n÷3
6973714.6666667
n÷3
5230286
n÷5
4184228.8
n2
437694266268736
n3
9.1570647725826E+21
n4
1.9157627072453E+29
n5
4.0079947468108E+36
2 √n
4573.9637077703
3 √n
275.54665476896
4 √n
67.631085365905
5 √n
29.115019528793
1 , 2 , 4 , 8 , 71 , 142 , 284 , 568 , 36833 , 73666 , 147332 , 294664 , 2615143 , 5230286 , 10460572 , 20921144
16 divisors
τ
Total Divisors
16
Total number of the positive divisors of n
σ
Sum of Divisors
1
Sum of all the positive divisors of n
s
Aliquot Sum
-20921143
Sum of the proper positive divisors of n
A
Arithmetic Mean
0.0625
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
16
Returns the total number of divisors (τ(n )) divided by the sum of the reciprocal of each divisors
The number 20921144 can be divided by 16 positive divisors.
The sum of these divisors (counting 20921144) is 1, the average is 0.0625.
Base
System
Value
2
Binary
1001111110011101100111000
3
Ternary
1110100220102012
4
Quaternary
1033303230320
5
Quinary
20323434034
6
Senary
2024225052
8
Octal
117635470
10
Decimal
20921144
12
Duodecimal
700b188
16
Hexadecimal
13f3b38
20
Vigesimal
6af2h4
36
Base36
cgeuw
md5
a10af857a60c5f7ad2a2b0d7a1f27c0b
sha1
74530bd4c1f483873bcc487b41854caf501e2cad
sha256
b734838a7491869d05963fb99419cb0c022a680a920b0b534ba65e77bc291fcc
sha512
61d34f30580a157faa42cc11d80d2b9a3b32b2c0cd3c375a4db28126eb9337aecbe6fcec8dd72ce56bc591edb2a6c36b729d19b4d58f25f8e33787255b5bff1a
ripemd-160
2ebd068756f292c1cbc4e2390d59229c91217f2a
Diameter
41842288
Circumference
131451424.59019
Area
1.3750570914282E+15
Volume
3.8357023223988E+22
Surface area
5.5002283657129E+15
Circumference
131451424.59019
Perimeter
83684576
Area
437694266268736
Diagonal
29586965.585161
Surface area
2626165597612416
Volume
9.1570647725826E+21
Space diagonal
36236484.360465
Perimeter
62763432
Area
1.8952717683976E+14
Altitude
18118242.180232
Surface area
1.8952717683976E+14
Volume
1.0791704327429E+21
Height
9862321.8617202