20921914 is an even 8-digits composite number following 20921913
and preceding 20921915 . In scientific notation, it is written as 2.0921914 × 10^7.
The sum of its digits is 28. It has a total of 3 prime factors and 8 positive divisors.
There are 9656256 positive integers (up to 20921914) that are relatively prime to 20921914.
20921914 has 8 divisors, whose sum is 33796980
The reverse of 20921914 is 41912902
Previous prime number is 13
Is Prime? no
Number parity even
Number length 8
Sum of Digits 28
Digital Root 1
Name
twenty million nine hundred twenty-one thousand nine hundred fourteen
Scientific notation
2.0921914 × 10^7
Engineering notation
2.0921914 × 10^6
Prime Factorization
2 × 13 × 804689
Composite number
ω
Distinct Factors
3
Total number of distinct prime factors
Ω
Total Factors
3
Total number of prime factors
rad
Radical
20921914
Product of the distinct prime numbers
The prime factorization of 20921914 is 2 × 13 × 804689.
Since it has a total of 3 prime factors.
1 , 10 , 11 , 81 , 851 , 409 , 6779 , 9925 , 81400 , 28887 , 19732 , 167734 , 7933504 , 7776287 , 92001680 , 24353881 , 705098657 , 948129509 , 9284921558 , 6762220137
n×2
41843828
n×3
62765742
n×4
83687656
n×5
104609570
n÷2
10460957
n÷3
6973971.3333333
n÷3
5230478.5
n÷5
4184382.8
n2
437726485423396
n3
9.1580758835505E+21
n4
1.9160447604112E+29
n5
4.0087323697473E+36
2 √n
4574.0478790673
3 √n
275.55003521382
4 √n
67.631707645655
5 √n
29.115233840544
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
-20921913
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 20921914 can be divided by 8 positive divisors.
The sum of these divisors (counting 20921914) is 1, the average is 0.125.
Base
System
Value
2
Binary
1001111110011111000111010
3
Ternary
1110100221110201
4
Quaternary
1033303320322
5
Quinary
20324000124
6
Senary
2024232414
8
Octal
117637072
10
Decimal
20921914
12
Duodecimal
700b70a
16
Hexadecimal
13f3e3a
20
Vigesimal
6af4fe
36
Base36
cgfga
md5
c158f91cca336e9170c89e99a2b7d48d
sha1
9ac4132f9314812a8f031aa6a3146e17dc280ed5
sha256
634f70aedff86b677b13d8117038b3f00d7c0e79fd5e014e1101501c7a89c447
sha512
e66d9cd6b17c90fc4e9e12dafce2ba94112f15986151dfc31ccad2caf2e0a55fa9524107ea81a009d8c3e4146840f3ab78ff54cadbae8953dbb4f42a8330f766
ripemd-160
bbef19f604d17ec85fc7d57b64fc757b3cfc27b1
Diameter
41843828
Circumference
131456262.64287
Area
1.3751583108878E+15
Volume
3.8361258555707E+22
Surface area
5.5006332435513E+15
Circumference
131456262.64287
Perimeter
83687656
Area
437726485423396
Diagonal
29588054.529604
Surface area
2626358912540376
Volume
9.1580758835505E+21
Space diagonal
36237818.039587
Perimeter
62765742
Area
1.8954112814297E+14
Altitude
18118909.019793
Surface area
1.8954112814297E+14
Volume
1.0792895933133E+21
Height
9862684.8432012