20149940 is an even 8-digits composite number following 20149939
and preceding 20149941 . In scientific notation, it is written as 2.0149940 × 10^7.
The sum of its digits is 29. It has a total of 4 prime factors and 12 positive divisors.
There are 8059968 positive integers (up to 20149940) that are relatively prime to 20149940.
20149940 has 12 divisors, whose sum is 42314916
The reverse of 20149940 is 04994102
Previous prime number is 5
Is Prime? no
Number parity even
Number length 8
Sum of Digits 29
Digital Root 2
Name
twenty million one hundred forty-nine thousand nine hundred forty
Scientific notation
2.0149940 × 10^7
Engineering notation
2.0149940 × 10^6
Prime Factorization
2 × 2 × 5 × 1007497
Composite number
ω
Distinct Factors
3
Total number of distinct prime factors
Ω
Total Factors
4
Total number of prime factors
rad
Radical
10074970
Product of the distinct prime numbers
The prime factorization of 20149940 is 2 × 2 × 5 × 1007497.
Since it has a total of 4 prime factors.
5 , 3 , 30 , 9 , 557 , 527 , 2843 , 9776 , 48098 , 49559 , 662925 , 185338 , 3420016 , 9487145 , 43229566 , 19778544 , 103131910 , 685239260 , 4411932273 , 2261581308
n×2
40299880
n×3
60449820
n×4
80599760
n×5
100749700
n÷2
10074970
n÷3
6716646.6666667
n÷3
5037485
n÷5
4029988
n2
406020082003600
n3
8.1812802911676E+21
n4
1.6485230699021E+29
n5
3.3217640947143E+36
2 √n
4488.8684542989
3 √n
272.11840649303
4 √n
66.999018308472
5 √n
28.897132644332
1 , 2 , 4 , 5 , 10 , 20 , 1007497 , 2014994 , 4029988 , 5037485 , 10074970 , 20149940
12 divisors
τ
Total Divisors
12
Total number of the positive divisors of n
σ
Sum of Divisors
1
Sum of all the positive divisors of n
s
Aliquot Sum
-20149939
Sum of the proper positive divisors of n
A
Arithmetic Mean
0.083333333333333
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
12
Returns the total number of divisors (τ(n )) divided by the sum of the reciprocal of each divisors
The number 20149940 can be divided by 12 positive divisors.
The sum of these divisors (counting 20149940) is 1, the average is 0.083333333333333.
Base
System
Value
2
Binary
1001100110111011010110100
3
Ternary
1101220201112002
4
Quaternary
1030313122310
5
Quinary
20124244230
6
Senary
1555514432
8
Octal
114673264
10
Decimal
20149940
12
Duodecimal
68b8a18
16
Hexadecimal
13376b4
20
Vigesimal
65ieh0
36
Base36
bzvsk
md5
6a1682148b821c4f25c40e49637efcec
sha1
ad18199cb1d42922fa563f181d005174920dcc1c
sha256
bd35cca299054694394439c611beecb26a7c14f5b9bdad5122f00c9260fd1b52
sha512
b2652c2cf24d99433a354f20ff3e11b2736300362e4657ce8efe41f589656443b6479eeed963055afeb9938a6d9257e351f25bd2fa724daaa99d060d6842084f
ripemd-160
830dc460560dd4b70c34ced39bfa959bf84bfd00
Diameter
40299880
Circumference
126605806.94855
Area
1.2755497068324E+15
Volume
3.4269666746255E+22
Surface area
5.1021988273297E+15
Circumference
126605806.94855
Perimeter
80599760
Area
406020082003600
Diagonal
28496318.429004
Surface area
2436120492021600
Volume
8.1812802911676E+21
Space diagonal
34900719.849464
Perimeter
60449820
Area
1.7581185273088E+14
Altitude
17450359.924732
Surface area
1.7581185273088E+14
Volume
9.6417312877875E+20
Height
9498772.809668