20149642 is an even 8-digits composite number following 20149641
and preceding 20149643 . In scientific notation, it is written as 2.0149642 × 10^7.
The sum of its digits is 28. It has a total of 3 prime factors and 8 positive divisors.
There are 9909600 positive integers (up to 20149642) that are relatively prime to 20149642.
20149642 has 8 divisors, whose sum is 30720132
The reverse of 20149642 is 24694102
Previous prime number is 61
Is Prime? no
Number parity even
Number length 8
Sum of Digits 28
Digital Root 1
Name
twenty million one hundred forty-nine thousand six hundred forty-two
Scientific notation
2.0149642 × 10^7
Engineering notation
2.0149642 × 10^6
Prime Factorization
2 × 61 × 165161
Composite number
ω
Distinct Factors
3
Total number of distinct prime factors
Ω
Total Factors
3
Total number of prime factors
rad
Radical
20149642
Product of the distinct prime numbers
The prime factorization of 20149642 is 2 × 61 × 165161.
Since it has a total of 3 prime factors.
6 , 6 , 99 , 59 , 158 , 367 , 4371 , 2812 , 40273 , 6824 , 89293 , 141425 , 9219474 , 6113126 , 57763761 , 92067485 , 296170528 , 812018383 , 5598986202 , 734093452
n×2
40299284
n×3
60448926
n×4
80598568
n×5
100748210
n÷2
10074821
n÷3
6716547.3333333
n÷3
5037410.5
n÷5
4029928.4
n2
406008072728164
n3
8.1809173145825E+21
n4
1.6484255512044E+29
n5
3.3215184720421E+36
2 √n
4488.8352609558
3 √n
272.11706502195
4 √n
66.998770592868
5 √n
28.89704717116
8 divisors
τ
Total Divisors
8
Total number of the positive divisors of n
σ
Sum of Divisors
1
Sum of all the positive divisors of n
s
Aliquot Sum
-20149641
Sum of the proper positive divisors of n
A
Arithmetic Mean
0.125
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
8
Returns the total number of divisors (τ(n )) divided by the sum of the reciprocal of each divisors
The number 20149642 can be divided by 8 positive divisors.
The sum of these divisors (counting 20149642) is 1, the average is 0.125.
Base
System
Value
2
Binary
1001100110111010110001010
3
Ternary
1101220201010001
4
Quaternary
1030313112022
5
Quinary
20124242032
6
Senary
1555513214
8
Octal
114672612
10
Decimal
20149642
12
Duodecimal
68b880a
16
Hexadecimal
133758a
20
Vigesimal
65ie22
36
Base36
bzvka
md5
a1f21d068cd4b8f29f3111c484e806cb
sha1
018d0a6ecc04a692255a910e8eafd13438d1dba5
sha256
9d275465a562c18c291f142792c2ffd6a17bb58c1361aa22e2c58f49a5fa067f
sha512
6cab2b164e67d5d1fb910d4dc92631ff0416d22683f39e373d90e63485480466a1cba5f0435944b9d404717f699507b4390dbda83d2ca6d10bc7fb3b39b72516
ripemd-160
ae31bd466ebfffb85d13d5cfb91af138bae10fe7
Diameter
40299284
Circumference
126603934.55933
Area
1.275511978581E+15
Volume
3.426814631349E+22
Surface area
5.1020479143238E+15
Circumference
126603934.55933
Perimeter
80598568
Area
406008072728164
Diagonal
28495896.993363
Surface area
2436048436368984
Volume
8.1809173145825E+21
Space diagonal
34900203.698324
Perimeter
60448926
Area
1.7580665256207E+14
Altitude
17450101.849162
Surface area
1.7580665256207E+14
Volume
9.6413035157795E+20
Height
9498632.3311208