20701909 is an odd 8-digits composite number following 20701908
and preceding 20701910 . In scientific notation, it is written as 2.0701909 × 10^7.
The sum of its digits is 28. It has a total of 3 prime factors and 8 positive divisors.
There are 19752480 positive integers (up to 20701909) that are relatively prime to 20701909.
20701909 has 8 divisors, whose sum is 21655872
The reverse of 20701909 is 90910702
Previous prime number is 523
Is Prime? no
Number parity odd
Number length 8
Sum of Digits 28
Digital Root 1
Name
twenty million seven hundred one thousand nine hundred nine
Scientific notation
2.0701909 × 10^7
Engineering notation
2.0701909 × 10^6
Prime Factorization
23 × 523 × 1721
Composite number
ω
Distinct Factors
3
Total number of distinct prime factors
Ω
Total Factors
3
Total number of prime factors
rad
Radical
20701909
Product of the distinct prime numbers
The prime factorization of 20701909 is 23 × 523 × 1721.
Since it has a total of 3 prime factors.
10 , 9 , 87 , 22 , 953 , 814 , 8238 , 7358 , 73227 , 73423 , 551669 , 705371 , 3939308 , 3346892 , 45105955 , 84820026 , 509549018 , 488721212 , 4767967341 , 6776556499
n×2
41403818
n×3
62105727
n×4
82807636
n×5
103509545
n÷2
10350954.5
n÷3
6900636.3333333
n÷3
5175477.25
n÷5
4140381.8
n2
428569036244281
n3
8.8721971885468E+21
n4
1.8367141882735E+29
n5
3.8023489984647E+36
2 √n
4549.9350544815
3 √n
274.58077832532
4 √n
67.453206406231
5 √n
29.053742227967
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
-20701908
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 20701909 can be divided by 8 positive divisors.
The sum of these divisors (counting 20701909) is 1, the average is 0.125.
Base
System
Value
2
Binary
1001110111110001011010101
3
Ternary
1102221202200101
4
Quaternary
1032332023111
5
Quinary
20244430114
6
Senary
2015414101
8
Octal
116761325
10
Decimal
20701909
12
Duodecimal
6b24331
16
Hexadecimal
13be2d5
20
Vigesimal
697ef9
36
Base36
cbpp1
md5
26fe74839c2310e534c6f4cf6a381822
sha1
5700d690cf88fcb1ffc551d94987af8af42fdabd
sha256
0846d57fa0968e8d8a1fb6f53bf69a4d0d9958b8a96be3f2c4d62eb89eafb6dc
sha512
5dc78dd2e16feb358d212c88cc7830569014477b56d43ff818352977e7e17d59ba81485bf4f90fe9c52bb9d0259e83f77534e909c7e5431213e2e1d1b1205484
ripemd-160
4607abace49c407c79afaf705efa000a097c0c70
Diameter
41403818
Circumference
130073930.45937
Area
1.3463893358211E+15
Volume
3.7163772678318E+22
Surface area
5.3855573432844E+15
Circumference
130073930.45937
Perimeter
82807636
Area
428569036244281
Diagonal
29276920.474814
Surface area
2571414217465686
Volume
8.8721971885468E+21
Space diagonal
35856758.201667
Perimeter
62105727
Area
1.8557583633148E+14
Altitude
17928379.100834
Surface area
1.8557583633148E+14
Volume
1.0455984660076E+21
Height
9758973.4916045