20406915 is an odd 8-digits composite number following 20406914
and preceding 20406916 . In scientific notation, it is written as 2.0406915 × 10^7.
The sum of its digits is 27. It has a total of 3 prime factors and 8 positive divisors.
There are 10848384 positive integers (up to 20406915) that are relatively prime to 20406915.
20406915 has 8 divisors, whose sum is 20928160
The reverse of 20406915 is 51960402
Previous prime number is 1033
Is Prime? no
Number parity odd
Number length 8
Sum of Digits 27
Digital Root 9
Name
twenty million four hundred six thousand nine hundred fifteen
Scientific notation
2.0406915 × 10^7
Engineering notation
2.0406915 × 10^6
Prime Factorization
45 × 1033 × 439
Composite number
ω
Distinct Factors
3
Total number of distinct prime factors
Ω
Total Factors
3
Total number of prime factors
rad
Radical
20406915
Product of the distinct prime numbers
The prime factorization of 20406915 is 45 × 1033 × 439.
Since it has a total of 3 prime factors.
1 , 4 , 55 , 77 , 76 , 742 , 1008 , 3493 , 42291 , 60147 , 736160 , 344858 , 520734 , 9471696 , 46942124 , 24115939 , 54619178 , 530209757 , 2317431625 , 5110825070
n×2
40813830
n×3
61220745
n×4
81627660
n×5
102034575
n÷2
10203457.5
n÷3
6802305
n÷3
5101728.75
n÷5
4081383
n2
416442179817225
n3
8.4983001659448E+21
n4
1.7342408913092E+29
n5
3.5390506458471E+36
2 √n
4517.4013547614
3 √n
273.2703114998
4 √n
67.211616218935
5 √n
28.9704653376
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
-20406914
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 20406915 can be divided by 8 positive divisors.
The sum of these divisors (counting 20406915) is 1, the average is 0.125.
Base
System
Value
2
Binary
1001101110110001010000011
3
Ternary
1102101210000200
4
Quaternary
1031312022003
5
Quinary
20211010130
6
Senary
2005220243
8
Octal
115661203
10
Decimal
20406915
12
Duodecimal
6a01683
16
Hexadecimal
1376283
20
Vigesimal
67ah5f
36
Base36
c5e2r
md5
e3387cfef573cf237168649e4025169a
sha1
bf4db6f6ac4b5e135543f94d09117c263bec6d61
sha256
cf915e7b4757d8417182275b8b86b9015e3dc4b6fbbe8e747195446b798291f1
sha512
456f87e3e39fb0c5305564828e4bf310b28e3c88236aae29d652289bce5410da4a4b6095efcf5bc36233af77e2605d4a6b72d4e68e8a565b014875921a4059a7
ripemd-160
41875228e18dea69ea0313b67c2efb9782703215
Diameter
40813830
Circumference
128220428.49286
Area
1.3082916927587E+15
Volume
3.5597596492444E+22
Surface area
5.2331667710349E+15
Circumference
128220428.49286
Perimeter
81627660
Area
416442179817225
Diagonal
28859735.959195
Surface area
2498653078903350
Volume
8.4983001659448E+21
Space diagonal
35345813.605739
Perimeter
61220745
Area
1.8032475346454E+14
Altitude
17672906.80287
Surface area
1.8032475346454E+14
Volume
1.0015342793164E+21
Height
9619911.9863983