20387812 (number)

20387812 is an even 8-digits composite number following 20387811 and preceding 20387813. In scientific notation, it is written as 2.0387812 × 10^7. The sum of its digits is 31. It has a total of 4 prime factors and 12 positive divisors. There are 9842336 positive integers (up to 20387812) that are relatively prime to 20387812.

Interesting facts

Basic properties

Name

Name twenty million three hundred eighty-seven thousand eight hundred twelve

Notation

Scientific notation 2.0387812 × 10^7
Engineering notation 2.0387812 × 10^6

Prime Factorization of 20387812

Prime Factorization 2 × 2 × 29 × 175757

Composite number
ω Distinct Factors 3
Total number of distinct prime factors
Ω Total Factors 4
Total number of prime factors
rad Radical 10193906
Product of the distinct prime numbers

The prime factorization of 20387812 is 2 × 2 × 29 × 175757. Since it has a total of 4 prime factors.

Most popular turbo-numbers

10, 9, 56, 50, 718, 731, 380, 631, 969, 86923, 344840, 509510, 4033636, 4258416, 49182242, 7887871, 873850302, 216387531, 2979847884, 4955179742

Basic calculations (n = 20387812)

Multiplication

n×y
n×2 40775624
n×3 61163436
n×4 81551248
n×5 101939060

Division

n÷y
n÷2 10193906
n÷3 6795937.3333333
n÷3 5096953
n÷5 4077562.4

Exponentiation

ny
n2 415662878147344
n3 8.474456615047E+21
n4 1.7277562826973E+29
n5 3.5225170273452E+36

Nth Root

y√n
2√n 4515.2864803908
3√n 273.18501504485
4√n 67.195881424317
5√n 28.965039430349

Divisors of 20387812

1, 2, 4, 29, 58, 116, 175757, 351514, 703028, 5096953, 10193906, 20387812

12 divisors

τ Total Divisors 12
Total number of the positive divisors of n
σ Sum of Divisors 1
Sum of all the positive divisors of n
s Aliquot Sum -20387811
Sum of the proper positive divisors of n
A Arithmetic Mean 0.083333333333333
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 12
Returns the total number of divisors (τ(n)) divided by the sum of the reciprocal of each divisors

The number 20387812 can be divided by 12 positive divisors. The sum of these divisors (counting 20387812) is 1, the average is 0.083333333333333.

Base conversion 20387812

Base System Value
2 Binary 1001101110001011111100100
3 Ternary 1102100210211011
4 Quaternary 1031301133210
5 Quinary 20204402222
6 Senary 2004552004
8 Octal 115613744
10 Decimal 20387812
12 Duodecimal 69b2604
16 Hexadecimal 13717e4
20 Vigesimal 6789ac
36 Base36 c4zc4

Cryptographic Hash Functions

md5 1d7d00c7977aeda3226429d870e0e216
sha1 ed7f2a743474578bdc9889004b5252e180db6900
sha256 026afbf6723669cd736c5b3f564a5d7a1b0c31bc7efa99d5bb18a88e393a47a5
sha512 7fa41cf7c30a522a6320a518aaf6e098ccd80b558c94ae8cd42957928d0d723ff73ca30d54c30a49b85d4f757c7a01993a3770fdb5ee264ee576761340439c9f
ripemd-160 51c97058c814cd0a157b1b5c2accd5e39c761f61

20387812 as geometric shapes

Circle

Radius = n
Diameter 40775624
Circumference 128100400.80394
Area 1.3058434443577E+15

Sphere

Radius = n
Volume 3.5497720859996E+22
Surface area 5.2233737774307E+15
Circumference 128100400.80394

Square

Length = n
Perimeter 81551248
Area 415662878147344
Diagonal 28832720.237513

Cube

Length = n
Surface area 2493977268884064
Volume 8.474456615047E+21
Space diagonal 35312726.239162

Equilateral Triangle

Length = n
Perimeter 61163436
Area 1.7998730594288E+14
Altitude 17656363.119581

Triangular Pyramid

Length = n
Surface area 1.7998730594288E+14
Volume 9.9872428989515E+20
Height 9610906.7458376