20921924 is an even 8-digits composite number following 20921923
and preceding 20921925 . In scientific notation, it is written as 2.0921924 × 10^7.
The sum of its digits is 29. It has a total of 4 prime factors and 12 positive divisors.
There are 10362984 positive integers (up to 20921924) that are relatively prime to 20921924.
20921924 has 12 divisors, whose sum is 36956304
The reverse of 20921924 is 42912902
Previous prime number is 107
Is Prime? no
Number parity even
Number length 8
Sum of Digits 29
Digital Root 2
Name
twenty million nine hundred twenty-one thousand nine hundred twenty-four
Scientific notation
2.0921924 × 10^7
Engineering notation
2.0921924 × 10^6
Prime Factorization
2 × 2 × 107 × 48883
Composite number
ω
Distinct Factors
3
Total number of distinct prime factors
Ω
Total Factors
4
Total number of prime factors
rad
Radical
10460962
Product of the distinct prime numbers
The prime factorization of 20921924 is 2 × 2 × 107 × 48883.
Since it has a total of 4 prime factors.
9 , 2 , 7 , 78 , 604 , 292 , 8313 , 3334 , 50142 , 16143 , 266552 , 224385 , 7223362 , 3077817 , 46447379 , 1314296 , 894775774 , 276912294 , 549682731 , 3763661486
n×2
41843848
n×3
62765772
n×4
83687696
n×5
104609620
n÷2
10460962
n÷3
6973974.6666667
n÷3
5230481
n÷5
4184384.8
n2
437726903861776
n3
9.1580890153514E+21
n4
1.9160484236442E+29
n5
4.0087419499803E+36
2 √n
4574.0489721908
3 √n
275.55007911516
4 √n
67.631715727097
5 √n
29.115236623772
1 , 2 , 4 , 107 , 214 , 428 , 48883 , 97766 , 195532 , 5230481 , 10460962 , 20921924
12 divisors
τ
Total Divisors
12
Total number of the positive divisors of n
σ
Sum of Divisors
1
Sum of all the positive divisors of n
s
Aliquot Sum
-20921923
Sum of the proper positive divisors of n
A
Arithmetic Mean
0.083333333333333
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
12
Returns the total number of divisors (τ(n )) divided by the sum of the reciprocal of each divisors
The number 20921924 can be divided by 12 positive divisors.
The sum of these divisors (counting 20921924) is 1, the average is 0.083333333333333.
Base
System
Value
2
Binary
1001111110011111001000100
3
Ternary
1110100221111002
4
Quaternary
1033303321010
5
Quinary
20324000144
6
Senary
2024232432
8
Octal
117637104
10
Decimal
20921924
12
Duodecimal
700b718
16
Hexadecimal
13f3e44
20
Vigesimal
6af4g4
36
Base36
cgfgk
md5
2d8cccfb802340a137f44e63ccbed96f
sha1
9c66d1096757a7977d4c5bf356e10252d179aafe
sha256
9d9722e135b45b688ff7ed33d9c67a4318a19df25e86ad282a8da4363d512dea
sha512
bad27d3a80d31b7b2a18b0e21d50dded0b0ce6d909208d0aafd2a6bd0caaa601245561583a99d8deeb81213e7a80d252b986ccfc8b8a0882be8912d058819ba2
ripemd-160
43b2292225136e48b4f39b25470a200551b4ff8d
Diameter
41843848
Circumference
131456325.47473
Area
1.3751596254508E+15
Volume
3.8361313562066E+22
Surface area
5.500638501803E+15
Circumference
131456325.47473
Perimeter
83687696
Area
437726903861776
Diagonal
29588068.671739
Surface area
2626361423170656
Volume
9.1580890153514E+21
Space diagonal
36237835.360095
Perimeter
62765772
Area
1.895413093321E+14
Altitude
18118917.680047
Surface area
1.895413093321E+14
Volume
1.0792911409108E+21
Height
9862689.5572464