20142949 (number)

20142949 is an odd 8-digits composite number following 20142948 and preceding 20142950. In scientific notation, it is written as 2.0142949 × 10^7. The sum of its digits is 31. It has a total of 2 prime factors and 4 positive divisors. There are 20133964 positive integers (up to 20142949) that are relatively prime to 20142949.

Interesting facts

Basic properties

Name

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

Notation

Scientific notation 2.0142949 × 10^7
Engineering notation 2.0142949 × 10^6

Prime Factorization of 20142949

Prime Factorization 4703 × 4283

Composite number
ω Distinct Factors 2
Total number of distinct prime factors
Ω Total Factors 2
Total number of prime factors
rad Radical 20142949
Product of the distinct prime numbers

The prime factorization of 20142949 is 4703 × 4283. Since it has a total of 2 prime factors.

Most popular turbo-numbers

Basic calculations (n = 20142949)

Multiplication

n×y
n×2 40285898
n×3 60428847
n×4 80571796
n×5 100714745

Division

n÷y
n÷2 10071474.5
n÷3 6714316.3333333
n÷3 5035737.25
n÷5 4028589.8

Exponentiation

ny
n2 405738394416601
n3 8.1727677860755E+21
n4 1.6462364470376E+29
n5 3.316005679462E+36

Nth Root

y√n
2√n 4488.0896827047
3√n 272.08693245668
4√n 66.993206242907
5√n 28.895127200183

Divisors of 20142949

4 divisors

τ Total Divisors 4
Total number of the positive divisors of n
σ Sum of Divisors 1
Sum of all the positive divisors of n
s Aliquot Sum -20142948
Sum of the proper positive divisors of n
A Arithmetic Mean 0.25
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 4
Returns the total number of divisors (τ(n)) divided by the sum of the reciprocal of each divisors

The number 20142949 can be divided by 4 positive divisors. The sum of these divisors (counting 20142949) is 1, the average is 0.25.

Base conversion 20142949

Base System Value
2 Binary 1001100110101101101100101
3 Ternary 1101220100221011
4 Quaternary 1030311231211
5 Quinary 20124033244
6 Senary 1555422221
8 Octal 114655545
10 Decimal 20142949
12 Duodecimal 68b4971
16 Hexadecimal 1335b65
20 Vigesimal 65hh79
36 Base36 bzqed

Cryptographic Hash Functions

md5 619eea731b12d4c130dbf4fd2fa8edc4
sha1 1a135035e5c2daec6759dc22c76126dbbaf4afdf
sha256 f1363c66b7e0abde1df58b3ec6e0e72c49aba79c566f51c3d78a878096a2cb32
sha512 8e1aff8a5fc20dd12e345cc8eab1b5bb519f77207f76e8407d8141fa596b2d6ff13a80cb51a49363bbef5e4a2995fe36ebba1f93fc5069a2ec8ad096b32cec18
ripemd-160 bb5e39594edce993375ae5ce0e2a5b3d7d4da5c0

20142949 as geometric shapes

Circle

Radius = n
Diameter 40285898
Circumference 126561881.20007
Area 1.2746647591785E+15

Sphere

Radius = n
Volume 3.4234009648307E+22
Surface area 5.098659036714E+15
Circumference 126561881.20007

Square

Length = n
Perimeter 80571796
Area 405738394416601
Diagonal 28486431.66199

Cube

Length = n
Surface area 2434430366499606
Volume 8.1727677860755E+21
Space diagonal 34888611.082269

Equilateral Triangle

Length = n
Perimeter 60428847
Area 1.7568987842774E+14
Altitude 17444305.541134

Triangular Pyramid

Length = n
Surface area 1.7568987842774E+14
Volume 9.6316992043282E+20
Height 9495477.2206632