20149890 is an even 8-digits composite number following 20149889
and preceding 20149891 . In scientific notation, it is written as 2.0149890 × 10^7.
The sum of its digits is 33. It has a total of 4 prime factors and 16 positive divisors.
There are 5320320 positive integers (up to 20149890) that are relatively prime to 20149890.
20149890 has 16 divisors, whose sum is 32557824
The reverse of 20149890 is 09894102
Previous prime number is 103
Is Prime? no
Number parity even
Number length 8
Sum of Digits 33
Digital Root 6
Name
twenty million one hundred forty-nine thousand eight hundred ninety
Scientific notation
2.0149890 × 10^7
Engineering notation
2.0149890 × 10^6
Prime Factorization
2 × 15 × 103 × 6521
Composite number
ω
Distinct Factors
4
Total number of distinct prime factors
Ω
Total Factors
4
Total number of prime factors
rad
Radical
20149890
Product of the distinct prime numbers
The prime factorization of 20149890 is 2 × 15 × 103 × 6521.
Since it has a total of 4 prime factors.
9 , 1 , 17 , 89 , 915 , 186 , 2306 , 2566 , 82503 , 96120 , 941352 , 124609 , 1437837 , 7625463 , 54776568 , 42279758 , 477030797 , 635704765 , 6924742049 , 1661784750
n×2
40299780
n×3
60449670
n×4
80599560
n×5
100749450
n÷2
10074945
n÷3
6716630
n÷3
5037472.5
n÷5
4029978
n2
406018067012100
n3
8.1812193883064E+21
n4
1.6485067074024E+29
n5
3.3217228818421E+36
2 √n
4488.8628849632
3 √n
272.11818141491
4 √n
66.998976745643
5 √n
28.897118303266
1 , 2 , 15 , 30 , 103 , 206 , 1545 , 3090 , 6521 , 13042 , 97815 , 195630 , 671663 , 1343326 , 10074945 , 20149890
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
-20149889
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 20149890 can be divided by 16 positive divisors.
The sum of these divisors (counting 20149890) is 1, the average is 0.0625.
Base
System
Value
2
Binary
1001100110111011010000010
3
Ternary
1101220201110020
4
Quaternary
1030313122002
5
Quinary
20124244030
6
Senary
1555514310
8
Octal
114673202
10
Decimal
20149890
12
Duodecimal
68b8996
16
Hexadecimal
1337682
20
Vigesimal
65ieea
36
Base36
bzvr6
md5
dc154be509852b1f9a1ec44d59be84c8
sha1
895dd6365a8f7762779a872d2a8e234cc32a3fee
sha256
baa1219ebac96beecf40dc3896cde2aa6495669971482b11541e10262f9ba32f
sha512
b213bfd6397e4ff7368a792ce1e2735b521ad7f125590b1bddb61f442192c2e3c000fad708233a10aba9b997887b391204dd8679b6d675452ef652d333068774
ripemd-160
bf01139b59bd9f3de591adba9b2a53517d34c7ad
Diameter
40299780
Circumference
126605492.78928
Area
1.2755433765499E+15
Volume
3.4269411636947E+22
Surface area
5.1021735061998E+15
Circumference
126605492.78928
Perimeter
80599560
Area
406018067012100
Diagonal
28496247.718326
Surface area
2436108402072600
Volume
8.1812193883064E+21
Space diagonal
34900633.246924
Perimeter
60449670
Area
1.7581098021397E+14
Altitude
17450316.623462
Surface area
1.7581098021397E+14
Volume
9.6416595130772E+20
Height
9498749.239442