20171901 is an odd 8-digits composite number following 20171900
and preceding 20171902 . In scientific notation, it is written as 2.0171901 × 10^7.
The sum of its digits is 21. It has a total of 4 prime factors and 16 positive divisors.
There are 12675888 positive integers (up to 20171901) that are relatively prime to 20171901.
20171901 has 16 divisors, whose sum is 28454400
The reverse of 20171901 is 10917102
Previous prime number is 227
Is Prime? no
Number parity odd
Number length 8
Sum of Digits 21
Digital Root 3
Name
twenty million one hundred seventy-one thousand nine hundred one
Scientific notation
2.0171901 × 10^7
Engineering notation
2.0171901 × 10^6
Prime Factorization
3 × 19 × 227 × 1559
Composite number
ω
Distinct Factors
4
Total number of distinct prime factors
Ω
Total Factors
4
Total number of prime factors
rad
Radical
20171901
Product of the distinct prime numbers
The prime factorization of 20171901 is 3 × 19 × 227 × 1559.
Since it has a total of 4 prime factors.
5 , 1 , 28 , 87 , 854 , 291 , 4724 , 2934 , 12776 , 48064 , 426230 , 485219 , 8737287 , 6452749 , 19011411 , 28432316 , 705727601 , 154875162 , 2558373747 , 222678489
n×2
40343802
n×3
60515703
n×4
80687604
n×5
100859505
n÷2
10085950.5
n÷3
6723967
n÷3
5042975.25
n÷5
4034380.2
n2
406905589953801
n3
8.2080592768947E+21
n4
1.6557215913565E+29
n5
3.3399052024406E+36
2 √n
4491.3139502823
3 √n
272.21722932827
4 √n
67.017266060936
5 √n
28.903428776743
1 , 3 , 19 , 57 , 227 , 681 , 1559 , 4313 , 4677 , 12939 , 29621 , 88863 , 353893 , 1061679 , 6723967 , 20171901
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
-20171900
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 20171901 can be divided by 16 positive divisors.
The sum of these divisors (counting 20171901) is 1, the average is 0.0625.
Base
System
Value
2
Binary
1001100111100110001111101
3
Ternary
1101221211122110
4
Quaternary
1030330301331
5
Quinary
20131000101
6
Senary
2000204233
8
Octal
114746175
10
Decimal
20171901
12
Duodecimal
6909679
16
Hexadecimal
133cc7d
20
Vigesimal
6619f1
36
Base36
c0cql
md5
365d9f56d3dff0f7f89e3abb87424a6e
sha1
919a991de4261fccc98b2b6a368b77ab6d3587a6
sha256
c76c8c8251958e2b9a4080712cde7fa8b34f9718e92c0d199cd164a556f8a2da
sha512
08372468d56ffa90051f4cb0d3a0b6c90de5afc97b9269c539eb22833625acab18cf9fe6a615e8240dd157cf2f21d34b04a7a65159786ff336c36b05e16c27a1
ripemd-160
c002f8dea2745b65ec1ab1627208bc8d07a9f450
Diameter
40343802
Circumference
126743791.98108
Area
1.2783316121035E+15
Volume
3.4381838299362E+22
Surface area
5.1133264484139E+15
Circumference
126743791.98108
Perimeter
80687604
Area
406905589953801
Diagonal
28527375.973047
Surface area
2441433539722806
Volume
8.2080592768947E+21
Space diagonal
34938757.417249
Perimeter
60515703
Area
1.7619528892094E+14
Altitude
17469378.708625
Surface area
1.7619528892094E+14
Volume
9.6732906251223E+20
Height
9509125.3243491