20149942 (number)

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.

Interesting facts

Basic properties

Name

Name twenty million one hundred forty-nine thousand nine hundred forty-two

Notation

Scientific notation 2.0149942 × 10^7
Engineering notation 2.0149942 × 10^6

Prime Factorization of 20149942

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.

Most popular turbo-numbers

Basic calculations (n = 20149942)

Multiplication

n×y
n×2 40299884
n×3 60449826
n×4 80599768
n×5 100749710

Division

n÷y
n÷2 10074971
n÷3 6716647.3333333
n÷3 5037485.5
n÷5 4029988.4

Exponentiation

ny
n2 406020162603364
n3 8.1812827272884E+21
n4 1.6485237244046E+29
n5 3.3217657432377E+36

Nth Root

y√n
2√n 4488.8686770722
3√n 272.11841549614
4√n 66.999019970983
5√n 28.897133217974

Divisors of 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 conversion 20149942

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

Cryptographic Hash Functions

md5 b44986e1981c33ece95f2e99258817b6
sha1 3a0e5128daa1c106fa471a231e9cce715bcb5362
sha256 11399199e53b52198e2f78c7988535b48048005f61594e01951e784a8fdb0aa7
sha512 cd8ff5539a51d9cfb42797c2a0ca1ca0f52640688eed4bdb75c7f803e77993288a416e1e089acaafa87d5ad82ccba9a7ea76246679bb10bfe6e8926862c9ea35
ripemd-160 e138d3f6b34aee4d7bfe20eb97014b668cd00d18

20149942 as geometric shapes

Circle

Radius = n
Diameter 40299884
Circumference 126605819.51492
Area 1.2755499600441E+15

Sphere

Radius = n
Volume 3.4269676950654E+22
Surface area 5.1021998401762E+15
Circumference 126605819.51492

Square

Length = n
Perimeter 80599768
Area 406020162603364
Diagonal 28496321.257431

Cube

Length = n
Surface area 2436120975620184
Volume 8.1812827272884E+21
Space diagonal 34900723.313566

Equilateral Triangle

Length = n
Perimeter 60449826
Area 1.758118876316E+14
Altitude 17450361.656783

Triangular Pyramid

Length = n
Surface area 1.758118876316E+14
Volume 9.6417341587833E+20
Height 9498773.7524771