20169991 is an odd 8-digits composite number following 20169990
and preceding 20169992 . In scientific notation, it is written as 2.0169991 × 10^7.
The sum of its digits is 37. It has a total of 2 prime factors and 4 positive divisors.
There are 19678000 positive integers (up to 20169991) that are relatively prime to 20169991.
20169991 has 4 divisors, whose sum is 20661984
The reverse of 20169991 is 19996102
Previous prime number is 41
Is Prime? no
Number parity odd
Number length 8
Sum of Digits 37
Digital Root 1
Name
twenty million one hundred sixty-nine thousand nine hundred ninety-one
Scientific notation
2.0169991 × 10^7
Engineering notation
2.0169991 × 10^6
Prime Factorization
41 × 491951
Composite number
ω
Distinct Factors
2
Total number of distinct prime factors
Ω
Total Factors
2
Total number of prime factors
rad
Radical
20169991
Product of the distinct prime numbers
The prime factorization of 20169991 is 41 × 491951.
Since it has a total of 2 prime factors.
6 , 5 , 36 , 81 , 122 , 880 , 6698 , 9329 , 3477 , 50037 , 517240 , 50060 , 6163348 , 2367201 , 50984935 , 94439913 , 300965533 , 674633785 , 5910097948 , 4889041218
n×2
40339982
n×3
60509973
n×4
80679964
n×5
100849955
n÷2
10084995.5
n÷3
6723330.3333333
n÷3
5042497.75
n÷5
4033998.2
n2
406828536940081
n3
8.2057279286246E+21
n4
1.6550945846881E+29
n5
3.3383242877307E+36
2 √n
4491.1013125958
3 √n
272.20863732167
4 √n
67.015679602581
5 √n
28.90288140503
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
-20169990
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 20169991 can be divided by 4 positive divisors.
The sum of these divisors (counting 20169991) is 1, the average is 0.25.
Base
System
Value
2
Binary
1001100111100010100000111
3
Ternary
1101221202000201
4
Quaternary
1030330110013
5
Quinary
20130414431
6
Senary
2000151331
8
Octal
114742407
10
Decimal
20169991
12
Duodecimal
6908547
16
Hexadecimal
133c507
20
Vigesimal
6614jb
36
Base36
c0b9j
md5
2d7d22611a7ede7f83d8ad4e04e688b7
sha1
b01968361b70a03077d40bdc21c5ac07cb8187b5
sha256
b218a706da20a9573d55b80bbc08969b150d11cc36445d94cdb74a675bcf0e66
sha512
fc97fe2ddd465773f03dacad1c670cc5941faf5a42bf77820e58a14ef6e1a3b70a7af85ffeb093e809fe5c26ad611d219579dd0727f04958b5c70222948582ce
ripemd-160
9709cb9a751e2fa5be9f9b9df2862ca81c7a29cd
Diameter
40339982
Circumference
126731791.09714
Area
1.2780895429216E+15
Volume
3.4372072770565E+22
Surface area
5.1123581716866E+15
Circumference
126731791.09714
Perimeter
80679964
Area
406828536940081
Diagonal
28524674.825143
Surface area
2440971221640486
Volume
8.2057279286246E+21
Space diagonal
34935449.200207
Perimeter
60509973
Area
1.7616192398728E+14
Altitude
17467724.600103
Surface area
1.7616192398728E+14
Volume
9.6705431048372E+20
Height
9508224.9417144