20091971 is an odd 8-digits prime number following 20091970
and preceding 20091972 . In scientific notation, it is written as 2.0091971 × 10^7.
The sum of its digits is 29. It has a total of 1 prime factors and 2 positive divisors.
There are 20091970 positive integers (up to 20091971) that are relatively prime to 20091971.
20091971 has 2 divisors, whose sum is 20091972
The reverse of 20091971 is 17919002
Previous prime number is 1
Is Prime? yes
Number parity odd
Number length 8
Sum of Digits 29
Digital Root 2
Name
twenty million ninety-one thousand nine hundred seventy-one
Scientific notation
2.0091971 × 10^7
Engineering notation
2.0091971 × 10^6
Prime Factorization
20091971
Composite number
ω
Distinct Factors
1
Total number of distinct prime factors
Ω
Total Factors
1
Total number of prime factors
rad
Radical
20091971
Product of the distinct prime numbers
The prime factorization of 20091971 is 20091971.
Since it has a total of 1 prime factors.
6 , 3 , 12 , 37 , 300 , 323 , 8821 , 9230 , 60620 , 93663 , 805080 , 418498 , 6184289 , 7995823 , 52551783 , 21159357 , 765242709 , 455598401 , 6574314085 , 1219525856
n×2
40183942
n×3
60275913
n×4
80367884
n×5
100459855
n÷2
10045985.5
n÷3
6697323.6666667
n÷3
5022992.75
n÷5
4018394.2
n2
403687298664841
n3
8.1108734978423E+21
n4
1.6296343510332E+29
n5
3.2742566121562E+36
2 √n
4482.4068311567
3 √n
271.85720500079
4 √n
66.950779167659
5 √n
28.880486749744
2 divisors
τ
Total Divisors
2
Total number of the positive divisors of n
σ
Sum of Divisors
20091972
Sum of all the positive divisors of n
s
Aliquot Sum
1
Sum of the proper positive divisors of n
A
Arithmetic Mean
10045986
Returns the sum of divisors (σ(n )) divided by the total number of divisors (τ(n ))
G
Geometric Mean
4482.4069427039
Returns the nth root of the product of n divisors
H
Harmonic Mean
1.9999999004578
Returns the total number of divisors (τ(n )) divided by the sum of the reciprocal of each divisors
The number 20091971 can be divided by 2 positive divisors.
The sum of these divisors (counting 20091971) is 20091972, the average is 10045986.
Base
System
Value
2
Binary
1001100101001010001000011
3
Ternary
1101210210000002
4
Quaternary
1030221101003
5
Quinary
20120420341
6
Senary
1554350215
8
Octal
114512103
10
Decimal
20091971
12
Duodecimal
688b36b
16
Hexadecimal
1329443
20
Vigesimal
65b9ib
36
Base36
byn2b
md5
2f6b1b591005fa8bb659de47d5919592
sha1
d901710827e4a7b455669ac1c0aeaa4f0b8f6c54
sha256
c598c5f3ac85340a9ce0c34cd40285b8d8316e3ed31c099e2d836fec1d6dde25
sha512
3b738ca7328f585493fa7df2d686d6ac61c6f7ef0867278bc6b3aa517ea6571313a3d722bb387551bcd2644c371f040b9476c78922701ac7111161189f8ec5b3
ripemd-160
91b71c836edea6ffe28f68ce9cabdb8934227c01
Diameter
40183942
Circumference
126241576.97948
Area
1.268221051833E+15
Volume
3.3974747460023E+22
Surface area
5.0728842073319E+15
Circumference
126241576.97948
Perimeter
80367884
Area
403687298664841
Diagonal
28414337.883007
Surface area
2422123791989046
Volume
8.1108734978423E+21
Space diagonal
34800314.5962
Perimeter
60275913
Area
1.7480172791443E+14
Altitude
17400157.2981
Surface area
1.7480172791443E+14
Volume
9.5587560861176E+20
Height
9471445.9610023