20149894 is an even 8-digits composite number following 20149893
and preceding 20149895 . In scientific notation, it is written as 2.0149894 × 10^7.
The sum of its digits is 37. It has a total of 2 prime factors and 4 positive divisors.
There are 10074946 positive integers (up to 20149894) that are relatively prime to 20149894.
20149894 has 4 divisors, whose sum is 30224844
The reverse of 20149894 is 49894102
Previous prime number is 2
Is Prime? no
Number parity even
Number length 8
Sum of Digits 37
Digital Root 1
Name
twenty million one hundred forty-nine thousand eight hundred ninety-four
Scientific notation
2.0149894 × 10^7
Engineering notation
2.0149894 × 10^6
Prime Factorization
2 × 10074947
Composite number
ω
Distinct Factors
2
Total number of distinct prime factors
Ω
Total Factors
2
Total number of prime factors
rad
Radical
20149894
Product of the distinct prime numbers
The prime factorization of 20149894 is 2 × 10074947.
Since it has a total of 2 prime factors.
9 , 7 , 13 , 3 , 714 , 760 , 2888 , 7220 , 12236 , 35109 , 951851 , 729535 , 2039102 , 7625441 , 12464496 , 14900040 , 37903524 , 294460536 , 4409284798 , 8891134478
n×2
40299788
n×3
60449682
n×4
80599576
n×5
100749470
n÷2
10074947
n÷3
6716631.3333333
n÷3
5037473.5
n÷5
4029978.8
n2
406018228211236
n3
8.1812242605242E+21
n4
1.6485080163979E+29
n5
3.3217261788568E+36
2 √n
4488.8633305103
3 √n
272.11819942117
4 √n
66.998980070672
5 √n
28.897119450553
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
-20149893
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 20149894 can be divided by 4 positive divisors.
The sum of these divisors (counting 20149894) is 1, the average is 0.25.
Base
System
Value
2
Binary
1001100110111011010000110
3
Ternary
1101220201110101
4
Quaternary
1030313122012
5
Quinary
20124244034
6
Senary
1555514314
8
Octal
114673206
10
Decimal
20149894
12
Duodecimal
68b899a
16
Hexadecimal
1337686
20
Vigesimal
65ieee
36
Base36
bzvra
md5
8df45177dc69dfa91d692c1738e9486d
sha1
e88accb23ba7415f30ce7e331b4b8d500a15cdd3
sha256
8f7fadd65a6b245c3cdc7b8f0f509b73613adab17a88f079441ca053c58cd183
sha512
4753c479ef7d02e425cf807219315b9e8fc4d0a094aee033779531945d6d80c3f3a179eca38ddc42bb9f1a8d2e903f4e149c374e54ebfd95cdd1528eb72bf689
ripemd-160
6d3220821eda5d16619eb8d1851bfffe96d6d85b
Diameter
40299788
Circumference
126605517.92203
Area
1.275543882972E+15
Volume
3.4269432045645E+22
Surface area
5.1021755318879E+15
Circumference
126605517.92203
Perimeter
80599576
Area
406018228211236
Diagonal
28496253.37518
Surface area
2436109369267416
Volume
8.1812242605242E+21
Space diagonal
34900640.175127
Perimeter
60449682
Area
1.7581105001524E+14
Altitude
17450320.087564
Surface area
1.7581105001524E+14
Volume
9.641665255041E+20
Height
9498751.1250601