20143981 (number)

20143981 is an odd 8-digits composite number following 20143980 and preceding 20143982. In scientific notation, it is written as 2.0143981 × 10^7. The sum of its digits is 28. It has a total of 3 prime factors and 8 positive divisors. There are 16903920 positive integers (up to 20143981) that are relatively prime to 20143981.

Interesting facts

Basic properties

Name

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

Notation

Scientific notation 2.0143981 × 10^7
Engineering notation 2.0143981 × 10^6

Prime Factorization of 20143981

Prime Factorization 11 × 13 × 140867

Composite number
ω Distinct Factors 3
Total number of distinct prime factors
Ω Total Factors 3
Total number of prime factors
rad Radical 20143981
Product of the distinct prime numbers

The prime factorization of 20143981 is 11 × 13 × 140867. Since it has a total of 3 prime factors.

Most popular turbo-numbers

Basic calculations (n = 20143981)

Multiplication

n×y
n×2 40287962
n×3 60431943
n×4 80575924
n×5 100719905

Division

n÷y
n÷2 10071990.5
n÷3 6714660.3333333
n÷3 5035995.25
n÷5 4028796.2

Exponentiation

ny
n2 405779970528361
n3 8.1740240165039E+21
n4 1.64657384482E+29
n5 3.3168552245151E+36

Nth Root

y√n
2√n 4488.2046521967
3√n 272.09157906063
4√n 66.994064305703
5√n 28.8954232756

Divisors of 20143981

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 -20143980
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 20143981 can be divided by 8 positive divisors. The sum of these divisors (counting 20143981) is 1, the average is 0.125.

Base conversion 20143981

Base System Value
2 Binary 1001100110101111101101101
3 Ternary 1101220102100101
4 Quaternary 1030311331231
5 Quinary 20124101411
6 Senary 1555431101
8 Octal 114657555
10 Decimal 20143981
12 Duodecimal 68b5491
16 Hexadecimal 1335f6d
20 Vigesimal 65hjj1
36 Base36 bzr71

Cryptographic Hash Functions

md5 cabf3f23e3402bc617c972f1851ce1b5
sha1 6dda290a36ff5e4830c7e9316e911c40aeae8e5c
sha256 acf9ad87a936ebd421ac51bed5c5402f1b8f12853a14f655f66debcba8844a97
sha512 1fe3dbccee6600e6e6c15a268018b1adeeefa9c4e65bd95aa0d87e49dd233b3e99ee0f6ed28893d3dd0b932712722617836bf8d2dd2fda279933f454e4c83913
ripemd-160 7322be7ec1199a1a41fe56f4cda3409155c5492e

20143981 as geometric shapes

Circle

Radius = n
Diameter 40287962
Circumference 126568365.4473
Area 1.2747953743858E+15

Sphere

Radius = n
Volume 3.423927173402E+22
Surface area 5.0991814975431E+15
Circumference 126568365.4473

Square

Length = n
Perimeter 80575924
Area 405779970528361
Diagonal 28487891.130386

Cube

Length = n
Surface area 2434679823170166
Volume 8.1740240165039E+21
Space diagonal 34890398.558702

Equilateral Triangle

Length = n
Perimeter 60431943
Area 1.7570788141223E+14
Altitude 17445199.279351

Triangular Pyramid

Length = n
Surface area 1.7570788141223E+14
Volume 9.633179686086E+20
Height 9495963.7101286