20155471 is an odd 8-digits composite number following 20155470
and preceding 20155472 . In scientific notation, it is written as 2.0155471 × 10^7.
The sum of its digits is 25. It has a total of 3 prime factors and 8 positive divisors.
There are 16861824 positive integers (up to 20155471) that are relatively prime to 20155471.
20155471 has 8 divisors, whose sum is 20490624
The reverse of 20155471 is 17455102
Previous prime number is 83
Is Prime? no
Number parity odd
Number length 8
Sum of Digits 25
Digital Root 7
Name
twenty million one hundred fifty-five thousand four hundred seventy-one
Scientific notation
2.0155471 × 10^7
Engineering notation
2.0155471 × 10^6
Prime Factorization
791 × 83 × 307
Composite number
ω
Distinct Factors
3
Total number of distinct prime factors
Ω
Total Factors
3
Total number of prime factors
rad
Radical
20155471
Product of the distinct prime numbers
The prime factorization of 20155471 is 791 × 83 × 307.
Since it has a total of 3 prime factors.
1 , 10 , 30 , 85 , 119 , 334 , 3220 , 780 , 2669 , 31043 , 290601 , 342163 , 8181602 , 1995256 , 6857499 , 44128937 , 233966499 , 521625942 , 2512150828 , 8844937658
n×2
40310942
n×3
60466413
n×4
80621884
n×5
100777355
n÷2
10077735.5
n÷3
6718490.3333333
n÷3
5038867.75
n÷5
4031094.2
n2
406243011231841
n3
8.188019231836E+21
n4
1.6503338417471E+29
n5
3.3263255887653E+36
2 √n
4489.4844915647
3 √n
272.14330233582
4 √n
67.00361551114
5 √n
28.898718877291
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
-20155470
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 20155471 can be divided by 8 positive divisors.
The sum of these divisors (counting 20155471) is 1, the average is 0.125.
Base
System
Value
2
Binary
1001100111000110001001111
3
Ternary
1101221000002221
4
Quaternary
1030320301033
5
Quinary
20124433341
6
Senary
2000000211
8
Octal
114706117
10
Decimal
20155471
12
Duodecimal
6900067
16
Hexadecimal
1338c4f
20
Vigesimal
65j8db
36
Base36
c0027
md5
e7957a35d55b43e27fd3cacf0c9edb0b
sha1
646f7069a2b226c885734d9287f5b9ab75165caa
sha256
704fccbe6586b4b5a5996627c31e3e407acfa87297fb814ca17db0264e10dd4d
sha512
453ff9db55264784b595185d14d0e105e08bb79ac13817ca4b9a839674aaf53d097a25d57bf2bb8361aef222fdccf48cb5ee8d1dd4d21b1fcc4cb5dd6e1a5ed0
ripemd-160
925a8d103941cb0c6d0600b75a6e33b5a9e15b72
Diameter
40310942
Circumference
126640559.24648
Area
1.2762500596581E+15
Volume
3.4297894754917E+22
Surface area
5.1050002386326E+15
Circumference
126640559.24648
Perimeter
80621884
Area
406243011231841
Diagonal
28504140.444218
Surface area
2437458067391046
Volume
8.188019231836E+21
Space diagonal
34910299.822481
Perimeter
60466413
Area
1.7590838391833E+14
Altitude
17455149.911241
Surface area
1.7590838391833E+14
Volume
9.6496732055286E+20
Height
9501380.1480725