20189994 is an even 8-digits composite number following 20189993
and preceding 20189995 . In scientific notation, it is written as 2.0189994 × 10^7.
The sum of its digits is 42. It has a total of 4 prime factors and 16 positive divisors.
There are 6096000 positive integers (up to 20189994) that are relatively prime to 20189994.
20189994 has 16 divisors, whose sum is 31316040
The reverse of 20189994 is 49998102
Previous prime number is 509
Is Prime? no
Number parity even
Number length 8
Sum of Digits 42
Digital Root 6
Name
twenty million one hundred eighty-nine thousand nine hundred ninety-four
Scientific notation
2.0189994 × 10^7
Engineering notation
2.0189994 × 10^6
Prime Factorization
2 × 33 × 509 × 601
Composite number
ω
Distinct Factors
4
Total number of distinct prime factors
Ω
Total Factors
4
Total number of prime factors
rad
Radical
20189994
Product of the distinct prime numbers
The prime factorization of 20189994 is 2 × 33 × 509 × 601.
Since it has a total of 4 prime factors.
3 , 8 , 88 , 38 , 138 , 105 , 4509 , 5377 , 72420 , 40613 , 867052 , 398817 , 8675958 , 3640239 , 91016856 , 85837843 , 32681903 , 294182396 , 9271562608 , 6662512541
n×2
40379988
n×3
60569982
n×4
80759976
n×5
100949970
n÷2
10094997
n÷3
6729998
n÷3
5047498.5
n÷5
4037998.8
n2
407635857720036
n3
8.2301655215524E+21
n4
1.6616699249915E+29
n5
3.3549105815559E+36
2 √n
4493.3277200756
3 √n
272.29859258233
4 √n
67.032288638205
5 √n
28.908611850126
1 , 2 , 33 , 66 , 509 , 601 , 1018 , 1202 , 16797 , 19833 , 33594 , 39666 , 305909 , 611818 , 10094997 , 20189994
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
-20189993
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 20189994 can be divided by 16 positive divisors.
The sum of these divisors (counting 20189994) is 1, the average is 0.0625.
Base
System
Value
2
Binary
1001101000001001100101010
3
Ternary
1101222202110120
4
Quaternary
1031001030222
5
Quinary
20132034434
6
Senary
2000424110
8
Octal
115011452
10
Decimal
20189994
12
Duodecimal
6918036
16
Hexadecimal
134132a
20
Vigesimal
663eje
36
Base36
c0qp6
md5
d6f0b9e3fd1ee78da0618ea36ac3c7e2
sha1
0ebd5279e4f8d914f64ea2c5dc87321a6c60c9b5
sha256
e57be102283191fe80fb887fea3a5a5fcec6a5a518c6d4b1721665ff429f57e6
sha512
86a312acb7be26fd868b905071b672113fd8d7770b12173fcd8467045e3bea85ce4edb1ef5b98622429d09316a861dd149cb9d22809a64488db28fb98aff033f
ripemd-160
5c9452c204384f4ba9040ef2dc38b54fad1a4db0
Diameter
40379988
Circumference
126857473.65284
Area
1.280625815953E+15
Volume
3.4474436720449E+22
Surface area
5.1225032638122E+15
Circumference
126857473.65284
Perimeter
80759976
Area
407635857720036
Diagonal
28552963.339031
Surface area
2445815146320216
Volume
8.2301655215524E+21
Space diagonal
34970095.412511
Perimeter
60569982
Area
1.7651150413951E+14
Altitude
17485047.706255
Surface area
1.7651150413951E+14
Volume
9.6993430842957E+20
Height
9517654.4463438