20149942 is an even 8-digits composite number following 20149941
and preceding 20149943 . In scientific notation, it is written as 2.0149942 × 10^7.
The sum of its digits is 31. It has a total of 4 prime factors and 16 positive divisors.
There are 9688000 positive integers (up to 20149942) that are relatively prime to 20149942.
20149942 has 16 divisors, whose sum is 31407264
The reverse of 20149942 is 24994102
Previous prime number is 41
Is Prime? no
Number parity even
Number length 8
Sum of Digits 31
Digital Root 4
Name
twenty million one hundred forty-nine thousand nine hundred forty-two
Scientific notation
2.0149942 × 10^7
Engineering notation
2.0149942 × 10^6
Prime Factorization
2 × 71 × 41 × 3461
Composite number
ω
Distinct Factors
4
Total number of distinct prime factors
Ω
Total Factors
4
Total number of prime factors
rad
Radical
20149942
Product of the distinct prime numbers
The prime factorization of 20149942 is 2 × 71 × 41 × 3461.
Since it has a total of 4 prime factors.
10 , 2 , 15 , 99 , 364 , 221 , 7996 , 8279 , 66055 , 16939 , 643463 , 105945 , 3133633 , 1125812 , 5518724 , 41442435 , 909751750 , 602572908 , 107219582 , 8650009027
n×2
40299884
n×3
60449826
n×4
80599768
n×5
100749710
n÷2
10074971
n÷3
6716647.3333333
n÷3
5037485.5
n÷5
4029988.4
n2
406020162603364
n3
8.1812827272884E+21
n4
1.6485237244046E+29
n5
3.3217657432377E+36
2 √n
4488.8686770722
3 √n
272.11841549614
4 √n
66.999019970983
5 √n
28.897133217974
1 , 2 , 41 , 71 , 82 , 142 , 2911 , 3461 , 5822 , 6922 , 141901 , 245731 , 283802 , 491462 , 10074971 , 20149942
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
-20149941
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 20149942 can be divided by 16 positive divisors.
The sum of these divisors (counting 20149942) is 1, the average is 0.0625.
Base
System
Value
2
Binary
1001100110111011010110110
3
Ternary
1101220201112011
4
Quaternary
1030313122312
5
Quinary
20124244232
6
Senary
1555514434
8
Octal
114673266
10
Decimal
20149942
12
Duodecimal
68b8a1a
16
Hexadecimal
13376b6
20
Vigesimal
65ieh2
36
Base36
bzvsm
md5
b44986e1981c33ece95f2e99258817b6
sha1
3a0e5128daa1c106fa471a231e9cce715bcb5362
sha256
11399199e53b52198e2f78c7988535b48048005f61594e01951e784a8fdb0aa7
sha512
cd8ff5539a51d9cfb42797c2a0ca1ca0f52640688eed4bdb75c7f803e77993288a416e1e089acaafa87d5ad82ccba9a7ea76246679bb10bfe6e8926862c9ea35
ripemd-160
e138d3f6b34aee4d7bfe20eb97014b668cd00d18
Diameter
40299884
Circumference
126605819.51492
Area
1.2755499600441E+15
Volume
3.4269676950654E+22
Surface area
5.1021998401762E+15
Circumference
126605819.51492
Perimeter
80599768
Area
406020162603364
Diagonal
28496321.257431
Surface area
2436120975620184
Volume
8.1812827272884E+21
Space diagonal
34900723.313566
Perimeter
60449826
Area
1.758118876316E+14
Altitude
17450361.656783
Surface area
1.758118876316E+14
Volume
9.6417341587833E+20
Height
9498773.7524771