20001691 is an odd 8-digits composite number following 20001690
and preceding 20001692 . In scientific notation, it is written as 2.0001691 × 10^7.
The sum of its digits is 19. It has a total of 2 prime factors and 4 positive divisors.
There are 19795392 positive integers (up to 20001691) that are relatively prime to 20001691.
20001691 has 4 divisors, whose sum is 20207992
The reverse of 20001691 is 19610002
Previous prime number is 97
Is Prime? no
Number parity odd
Number length 8
Sum of Digits 19
Digital Root 1
Name
twenty million one thousand six hundred ninety-one
Scientific notation
2.0001691 × 10^7
Engineering notation
2.0001691 × 10^6
Prime Factorization
97 × 206203
Composite number
ω
Distinct Factors
2
Total number of distinct prime factors
Ω
Total Factors
2
Total number of prime factors
rad
Radical
20001691
Product of the distinct prime numbers
The prime factorization of 20001691 is 97 × 206203.
Since it has a total of 2 prime factors.
3 , 7 , 23 , 21 , 755 , 747 , 7187 , 6033 , 18770 , 32426 , 481231 , 27483 , 2768793 , 2779415 , 94878397 , 26354726 , 107186380 , 494266810 , 6904579406 , 8692584885
n×2
40003382
n×3
60005073
n×4
80006764
n×5
100008455
n÷2
10000845.5
n÷3
6667230.3333333
n÷3
5000422.75
n÷5
4000338.2
n2
400067642859481
n3
8.0020293715737E+21
n4
1.6005411886314E+29
n5
3.2013530287778E+36
2 √n
4472.325010551
3 √n
271.44941157754
4 √n
66.875444002646
5 √n
28.854486022752
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
-20001690
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 20001691 can be divided by 4 positive divisors.
The sum of these divisors (counting 20001691) is 1, the average is 0.25.
Base
System
Value
2
Binary
1001100010011001110011011
3
Ternary
1101122012011101
4
Quaternary
1030103032123
5
Quinary
20110023231
6
Senary
1552412231
8
Octal
114231633
10
Decimal
20001691
12
Duodecimal
6847077
16
Hexadecimal
131339b
20
Vigesimal
65044b
36
Base36
bwpej
md5
04c304bb2cb1d2f2359b4d4bf4618457
sha1
1ea855f52ec7acb30c3f60ae6eba5b23ae52508c
sha256
9bd0f6bd6067248987bc0ed7bd90499bfb5028031806bf7fbefbbdbcecca1b52
sha512
229c5f6b99ecc7db8c789af36a618656e75316d43303d6828b84bf113137edbb749fac148d8b0af61f4ec995e401be844e73b68323b14fec8ef22203bdd79b12
ripemd-160
389ab78e4f5c52724f6b686a54881b992d407a10
Diameter
40003382
Circumference
125674331.00995
Area
1.2568495677463E+15
Volume
3.3518822250061E+22
Surface area
5.0273982709853E+15
Circumference
125674331.00995
Perimeter
80006764
Area
400067642859481
Diagonal
28286662.682596
Surface area
2400405857156886
Volume
8.0020293715737E+21
Space diagonal
34643945.049293
Perimeter
60005073
Area
1.7323437097424E+14
Altitude
17321972.524647
Surface area
1.7323437097424E+14
Volume
9.4304820531561E+20
Height
9428887.5608653