20142981 (number)

20142981 is an odd 8-digits composite number following 20142980 and preceding 20142982. In scientific notation, it is written as 2.0142981 × 10^7. The sum of its digits is 27. It has a total of 3 prime factors and 6 positive divisors. There are 13428648 positive integers (up to 20142981) that are relatively prime to 20142981.

Interesting facts

Basic properties

Name

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

Notation

Scientific notation 2.0142981 × 10^7
Engineering notation 2.0142981 × 10^6

Prime Factorization of 20142981

Prime Factorization 3 × 3 × 2238109

Composite number
ω Distinct Factors 2
Total number of distinct prime factors
Ω Total Factors 3
Total number of prime factors
rad Radical 6714327
Product of the distinct prime numbers

The prime factorization of 20142981 is 3 × 3 × 2238109. Since it has a total of 3 prime factors.

Most popular turbo-numbers

Basic calculations (n = 20142981)

Multiplication

n×y
n×2 40285962
n×3 60428943
n×4 80571924
n×5 100714905

Division

n÷y
n÷2 10071490.5
n÷3 6714327
n÷3 5035745.25
n÷5 4028596.2

Exponentiation

ny
n2 405739683566361
n3 8.1728067370232E+21
n4 1.6462469082053E+29
n5 3.3160320193288E+36

Nth Root

y√n
2√n 4488.0932476944
3√n 272.08707653981
4√n 66.993232850001
5√n 28.895136380998

Divisors of 20142981

6 divisors

τ Total Divisors 6
Total number of the positive divisors of n
σ Sum of Divisors 1
Sum of all the positive divisors of n
s Aliquot Sum -20142980
Sum of the proper positive divisors of n
A Arithmetic Mean 0.16666666666667
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 6
Returns the total number of divisors (τ(n)) divided by the sum of the reciprocal of each divisors

The number 20142981 can be divided by 6 positive divisors. The sum of these divisors (counting 20142981) is 1, the average is 0.16666666666667.

Base conversion 20142981

Base System Value
2 Binary 1001100110101101110000101
3 Ternary 1101220100222100
4 Quaternary 1030311232011
5 Quinary 20124033411
6 Senary 1555422313
8 Octal 114655605
10 Decimal 20142981
12 Duodecimal 68b4999
16 Hexadecimal 1335b85
20 Vigesimal 65hh91
36 Base36 bzqf9

Cryptographic Hash Functions

md5 863d2925707fcad0bbe0051194007bb5
sha1 1e6a0ad2a5eefd02346c92c975c0275c8ea9d2cc
sha256 18216380bf53b64a831d6af036805fb1310485a49eb9f4f61b0a679194246ed9
sha512 02df7cce1c509727a103ad7bbb9641db98a6fc1f6105c0b8990c91772134c9c1980d6f66d9b0ab169de5a99f4a0b67bac79ed75d015dbc27512fa66c41cd9a40
ripemd-160 43187e27e5439cbca72672532fcba4a5a29d3fc4

20142981 as geometric shapes

Circle

Radius = n
Diameter 40285962
Circumference 126562082.262
Area 1.2746688091619E+15

Sphere

Radius = n
Volume 3.4234172805655E+22
Surface area 5.0986752366477E+15
Circumference 126562082.262

Square

Length = n
Perimeter 80571924
Area 405739683566361
Diagonal 28486476.916824

Cube

Length = n
Surface area 2434438101398166
Volume 8.1728067370232E+21
Space diagonal 34888666.507895

Equilateral Triangle

Length = n
Perimeter 60428943
Area 1.7569043664596E+14
Altitude 17444333.253947

Triangular Pyramid

Length = n
Surface area 1.7569043664596E+14
Volume 9.6317451084604E+20
Height 9495492.3056079