20171949 is an odd 8-digits composite number following 20171948
and preceding 20171950 . In scientific notation, it is written as 2.0171949 × 10^7.
The sum of its digits is 33. It has a total of 2 prime factors and 4 positive divisors.
There are 11526816 positive integers (up to 20171949) that are relatively prime to 20171949.
20171949 has 4 divisors, whose sum is 21132540
The reverse of 20171949 is 94917102
Previous prime number is 21
Is Prime? no
Number parity odd
Number length 8
Sum of Digits 33
Digital Root 6
Name
twenty million one hundred seventy-one thousand nine hundred forty-nine
Scientific notation
2.0171949 × 10^7
Engineering notation
2.0171949 × 10^6
Prime Factorization
21 × 960569
Composite number
ω
Distinct Factors
2
Total number of distinct prime factors
Ω
Total Factors
2
Total number of prime factors
rad
Radical
20171949
Product of the distinct prime numbers
The prime factorization of 20171949 is 21 × 960569.
Since it has a total of 2 prime factors.
10 , 2 , 64 , 20 , 366 , 386 , 5112 , 7617 , 85226 , 9621 , 108397 , 835365 , 6708505 , 3827944 , 56024101 , 76968907 , 71187278 , 830383640 , 1420611631 , 9114591150
n×2
40343898
n×3
60515847
n×4
80687796
n×5
100859745
n÷2
10085974.5
n÷3
6723983
n÷3
5042987.25
n÷5
4034389.8
n2
406907526458601
n3
8.2081178714391E+21
n4
1.6557373508866E+29
n5
3.3399449399479E+36
2 √n
4491.3192939269
3 √n
272.21744524605
4 √n
67.017305928595
5 √n
28.903442532147
4 divisors
τ
Total Divisors
4
Total number of the positive divisors of n
σ
Sum of Divisors
1
Sum of all the positive divisors of n
s
Aliquot Sum
-20171948
Sum of the proper positive divisors of n
A
Arithmetic Mean
0.25
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
4
Returns the total number of divisors (τ(n )) divided by the sum of the reciprocal of each divisors
The number 20171949 can be divided by 4 positive divisors.
The sum of these divisors (counting 20171949) is 1, the average is 0.25.
Base
System
Value
2
Binary
1001100111100110010101101
3
Ternary
1101221211201020
4
Quaternary
1030330302231
5
Quinary
20131000244
6
Senary
2000204353
8
Octal
114746255
10
Decimal
20171949
12
Duodecimal
69096b9
16
Hexadecimal
133ccad
20
Vigesimal
6619h9
36
Base36
c0crx
md5
72605e4c38938e647cd7c23d7dad5fed
sha1
dfcd404985ecc68bf72845e1a7ea902f502f238c
sha256
61271b7455c969810491cdd58c9f590a7ca5406d09a4a741d36a384d7bd50a7a
sha512
8c98b131ed661cfd9d05c427227b737e8ba1ba15ca19ec18c0c11ef5f26ff4244b462fa870093a67d331af09eb77ce50d2dd627a072fee506e150bdfe3a8e74d
ripemd-160
6c2a3a7eb5d2151ab6ef74f63c586f9d89da6bad
Diameter
40343898
Circumference
126744093.57398
Area
1.2783376958127E+15
Volume
3.4382083739616E+22
Surface area
5.1133507832509E+15
Circumference
126744093.57398
Perimeter
80687796
Area
406907526458601
Diagonal
28527443.855298
Surface area
2441445158751606
Volume
8.2081178714391E+21
Space diagonal
34938840.555688
Perimeter
60515847
Area
1.7619612745212E+14
Altitude
17469420.277844
Surface area
1.7619612745212E+14
Volume
9.6733596794551E+20
Height
9509147.9517661