20143987 (number)

20143987 is an odd 8-digits composite number following 20143986 and preceding 20143988. In scientific notation, it is written as 2.0143987 × 10^7. The sum of its digits is 34. It has a total of 2 prime factors and 4 positive divisors. There are 20121640 positive integers (up to 20143987) that are relatively prime to 20143987.

Interesting facts

Basic properties

Name

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

Notation

Scientific notation 2.0143987 × 10^7
Engineering notation 2.0143987 × 10^6

Prime Factorization of 20143987

Prime Factorization 941 × 21407

Composite number
ω Distinct Factors 2
Total number of distinct prime factors
Ω Total Factors 2
Total number of prime factors
rad Radical 20143987
Product of the distinct prime numbers

The prime factorization of 20143987 is 941 × 21407. Since it has a total of 2 prime factors.

Most popular turbo-numbers

Basic calculations (n = 20143987)

Multiplication

n×y
n×2 40287974
n×3 60431961
n×4 80575948
n×5 100719935

Division

n÷y
n÷2 10071993.5
n÷3 6714662.3333333
n÷3 5035996.75
n÷5 4028797.4

Exponentiation

ny
n2 405780212256169
n3 8.1740313205455E+21
n4 1.6465758065866E+29
n5 3.3168601642395E+36

Nth Root

y√n
2√n 4488.2053206154
3√n 272.0916060753
4√n 66.994069294344
5√n 28.895424996934

Divisors of 20143987

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 -20143986
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 20143987 can be divided by 4 positive divisors. The sum of these divisors (counting 20143987) is 1, the average is 0.25.

Base conversion 20143987

Base System Value
2 Binary 1001100110101111101110011
3 Ternary 1101220102100121
4 Quaternary 1030311331303
5 Quinary 20124101422
6 Senary 1555431111
8 Octal 114657563
10 Decimal 20143987
12 Duodecimal 68b5497
16 Hexadecimal 1335f73
20 Vigesimal 65hjj7
36 Base36 bzr77

Cryptographic Hash Functions

md5 db5c000fcf064e55e2f8a7596fca61ef
sha1 cb1124fbe46012c73bbbe5f58c10cbb4577dc214
sha256 4254f8fa25c230fb201733902781c02f620c83836063e336925e77c0e9e1d461
sha512 f63d99d2fb2f185dafb59a00bf036b8d753bdcfc2863eafe9fe854e63910e4c4ab4a905051de0d61cea32197638a387d6f8dd0b747fa8f2090a433e15dc30c6e
ripemd-160 91a9d57ccb5f4040bde70c5782e72edddfc3ca77

20143987 as geometric shapes

Circle

Radius = n
Diameter 40287974
Circumference 126568403.14642
Area 1.2747961337961E+15

Sphere

Radius = n
Volume 3.4239302329118E+22
Surface area 5.0991845351844E+15
Circumference 126568403.14642

Square

Length = n
Perimeter 80575948
Area 405780212256169
Diagonal 28487899.615667

Cube

Length = n
Surface area 2434681273537014
Volume 8.1740313205455E+21
Space diagonal 34890408.951007

Equilateral Triangle

Length = n
Perimeter 60431961
Area 1.7570798608344E+14
Altitude 17445204.475503

Triangular Pyramid

Length = n
Surface area 1.7570798608344E+14
Volume 9.6331882939816E+20
Height 9495966.5385558