20921335 is an odd 8-digits composite number following 20921334
and preceding 20921336 . In scientific notation, it is written as 2.0921335 × 10^7.
The sum of its digits is 25. It has a total of 3 prime factors and 8 positive divisors.
There are 16720704 positive integers (up to 20921335) that are relatively prime to 20921335.
20921335 has 8 divisors, whose sum is 25130160
The reverse of 20921335 is 53312902
Previous prime number is 2089
Is Prime? no
Number parity odd
Number length 8
Sum of Digits 25
Digital Root 7
Name
twenty million nine hundred twenty-one thousand three hundred thirty-five
Scientific notation
2.0921335 × 10^7
Engineering notation
2.0921335 × 10^6
Prime Factorization
5 × 2089 × 2003
Composite number
ω
Distinct Factors
3
Total number of distinct prime factors
Ω
Total Factors
3
Total number of prime factors
rad
Radical
20921335
Product of the distinct prime numbers
The prime factorization of 20921335 is 5 × 2089 × 2003.
Since it has a total of 3 prime factors.
10 , 7 , 79 , 49 , 661 , 176 , 6818 , 6377 , 6884 , 85712 , 978861 , 764812 , 9777234 , 6505057 , 83453764 , 23561185 , 518726309 , 467679362 , 1370934560 , 7048095156
n×2
41842670
n×3
62764005
n×4
83685340
n×5
104606675
n÷2
10460667.5
n÷3
6973778.3333333
n÷3
5230333.75
n÷5
4184267
n2
437702258182225
n3
9.1573155736868E+21
n4
1.9158326681782E+29
n5
4.00817770549E+36
2 √n
4573.984586769
3 √n
275.54749330263
4 √n
67.631239725211
5 √n
29.115072689829
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
-20921334
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 20921335 can be divided by 8 positive divisors.
The sum of these divisors (counting 20921335) is 1, the average is 0.125.
Base
System
Value
2
Binary
1001111110011101111110111
3
Ternary
1110100220200021
4
Quaternary
1033303233313
5
Quinary
20323440320
6
Senary
2024230011
8
Octal
117635767
10
Decimal
20921335
12
Duodecimal
700b307
16
Hexadecimal
13f3bf7
20
Vigesimal
6af36f
36
Base36
cgf07
md5
271a7484be796f31b36bd72403e03482
sha1
69d287432d7067f56101c02e9f01e9d0d6a44b3c
sha256
85a4c8fbaf4d94e754606312d4eeef887d0bdbc67e6be90e0781526b6a36616e
sha512
ae1f2166675baafdd5495aa54194aa912ff18fc30dd950b0e06151e5a3361c2a6b540da0a6174bb6ce086d0e86dab7b44aedd1490b959085eb274d464945a1e5
ripemd-160
74e366dc31b7b27aac74dd169a5f16dd993d0d0d
Diameter
41842670
Circumference
131452624.67858
Area
1.3750821987649E+15
Volume
3.8358073777197E+22
Surface area
5.5003287950598E+15
Circumference
131452624.67858
Perimeter
83685340
Area
437702258182225
Diagonal
29587235.699951
Surface area
2626213549093350
Volume
9.1573155736868E+21
Space diagonal
36236815.182169
Perimeter
62764005
Area
1.8953063743981E+14
Altitude
18118407.591085
Surface area
1.8953063743981E+14
Volume
1.0791999899365E+21
Height
9862411.8999836