20841640 is an even 8-digits composite number following 20841639
and preceding 20841641 . In scientific notation, it is written as 2.0841640 × 10^7.
The sum of its digits is 25. It has a total of 5 prime factors and 16 positive divisors.
There are 8336640 positive integers (up to 20841640) that are relatively prime to 20841640.
20841640 has 16 divisors, whose sum is 46893780
The reverse of 20841640 is 04614802
Previous prime number is 5
Is Prime? no
Number parity even
Number length 8
Sum of Digits 25
Digital Root 7
Name
twenty million eight hundred forty-one thousand six hundred forty
Scientific notation
2.0841640 × 10^7
Engineering notation
2.0841640 × 10^6
Prime Factorization
2 × 2 × 2 × 5 × 521041
Composite number
ω
Distinct Factors
3
Total number of distinct prime factors
Ω
Total Factors
5
Total number of prime factors
rad
Radical
5210410
Product of the distinct prime numbers
The prime factorization of 20841640 is 2 × 2 × 2 × 5 × 521041.
Since it has a total of 5 prime factors.
3 , 7 , 74 , 39 , 844 , 511 , 6890 , 5219 , 99405 , 68367 , 902038 , 286379 , 5410308 , 4307245 , 86267048 , 32339545 , 342033404 , 637656175 , 8189945286 , 8854119615
n×2
41683280
n×3
62524920
n×4
83366560
n×5
104208200
n÷2
10420820
n÷3
6947213.3333333
n÷3
5210410
n÷5
4168328
n2
434373957889600
n3
9.0530656557102E+21
n4
1.8868073529268E+29
n5
3.9324159599052E+36
2 √n
4565.2645049329
3 √n
275.19716989383
4 √n
67.566741115233
5 √n
29.092857383602
1 , 2 , 4 , 5 , 8 , 10 , 20 , 40 , 521041 , 1042082 , 2084164 , 2605205 , 4168328 , 5210410 , 10420820 , 20841640
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
-20841639
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 20841640 can be divided by 16 positive divisors.
The sum of these divisors (counting 20841640) is 1, the average is 0.0625.
Base
System
Value
2
Binary
1001111100000010010101000
3
Ternary
1110012212100121
4
Quaternary
1033200102220
5
Quinary
20313413030
6
Senary
2022413024
8
Octal
117402250
10
Decimal
20841640
12
Duodecimal
6b91174
16
Hexadecimal
13e04a8
20
Vigesimal
6a5420
36
Base36
cepig
md5
c10f491431166740e4c3f8b163f41e85
sha1
f8d13e8d74077d387ce803b7827e41c0588d8cba
sha256
5001283a88cd2dfde80bcc4b47f94552999a90f1f4103e1370d336fa9c56110d
sha512
9745a909754ec9962969f5ca89190659eb11d13547aa976e36ef56e8074be289ff5eb1cb516b2748933d6800a53b0d80f7a2994aee15b6ff42f0717400115a2a
ripemd-160
b5095ef9d70922277641504e421f1f3508aadd00
Diameter
41683280
Circumference
130951886.22553
Area
1.3646260350167E+15
Volume
3.7921392741927E+22
Surface area
5.4585041400668E+15
Circumference
130951886.22553
Perimeter
83366560
Area
434373957889600
Diagonal
29474529.950098
Surface area
2606243747337600
Volume
9.0530656557102E+21
Space diagonal
36098779.39306
Perimeter
62524920
Area
1.8808944113739E+14
Altitude
18049389.69653
Surface area
1.8808944113739E+14
Volume
1.06691401928E+21
Height
9824843.3166992