20161388 (number)

20161388 is an even 8-digits composite number following 20161387 and preceding 20161389. In scientific notation, it is written as 2.0161388 × 10^7. The sum of its digits is 29. It has a total of 5 prime factors and 24 positive divisors. There are 8757504 positive integers (up to 20161388) that are relatively prime to 20161388.

Interesting facts

Basic properties

Name

Name twenty million one hundred sixty-one thousand three hundred eighty-eight

Notation

Scientific notation 2.0161388 × 10^7
Engineering notation 2.0161388 × 10^6

Prime Factorization of 20161388

Prime Factorization 2 × 2 × 17 × 13 × 22807

Composite number
ω Distinct Factors 4
Total number of distinct prime factors
Ω Total Factors 5
Total number of prime factors
rad Radical 10080694
Product of the distinct prime numbers

The prime factorization of 20161388 is 2 × 2 × 17 × 13 × 22807. Since it has a total of 5 prime factors.

Most popular turbo-numbers

3, 9, 62, 65, 981, 119, 4422, 9269, 31197, 45760, 54967, 265285, 6088610, 3685687, 3763120, 16387387, 669030317, 256022512, 6790031660, 2564090555

Basic calculations (n = 20161388)

Multiplication

n×y
n×2 40322776
n×3 60484164
n×4 80645552
n×5 100806940

Division

n÷y
n÷2 10080694
n÷3 6720462.6666667
n÷3 5040347
n÷5 4032277.6

Exponentiation

ny
n2 406481566086544
n3 8.1952325687185E+21
n4 1.6522726356817E+29
n5 3.3312109689761E+36

Nth Root

y√n
2√n 4490.1434275533
3√n 272.16993057936
4√n 67.008532498133
5√n 28.900415425526

Divisors of 20161388

1, 2, 4, 13, 17, 26, 34, 52, 68, 221, 442, 884, 22807, 45614, 91228, 296491, 387719, 592982, 775438, 1185964, 1550876, 5040347, 10080694, 20161388

24 divisors

τ Total Divisors 24
Total number of the positive divisors of n
σ Sum of Divisors 1
Sum of all the positive divisors of n
s Aliquot Sum -20161387
Sum of the proper positive divisors of n
A Arithmetic Mean 0.041666666666667
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 24
Returns the total number of divisors (τ(n)) divided by the sum of the reciprocal of each divisors

The number 20161388 can be divided by 24 positive divisors. The sum of these divisors (counting 20161388) is 1, the average is 0.041666666666667.

Base conversion 20161388

Base System Value
2 Binary 1001100111010001101101100
3 Ternary 1101221022020002
4 Quaternary 1030322031230
5 Quinary 20130131023
6 Senary 2000043432
8 Octal 114721554
10 Decimal 20161388
12 Duodecimal 6903578
16 Hexadecimal 133a36c
20 Vigesimal 660398
36 Base36 c04mk

Cryptographic Hash Functions

md5 baf25215aa31120178fd7e8e452a60cb
sha1 16f2f87f29714e9bb7deb1507198237d0a13e14d
sha256 2444f87c6139410b3463f341041d45ce612ff0d82771123643dae49fa2b9c8a7
sha512 7887d82696bff90f06c175b71653a1ff543326eef17f0d04a0863abd27f3d05e8e9bad22b1bd50b0d145c43d5bb71c9b3f967c714a31efca37b751e1a2c67b8d
ripemd-160 d5f832c0e42381ec16013a7b4c489c137a0d84db

20161388 as geometric shapes

Circle

Radius = n
Diameter 40322776
Circumference 126677736.85395
Area 1.2769995018372E+15

Sphere

Radius = n
Volume 3.4328109909794E+22
Surface area 5.1079980073486E+15
Circumference 126677736.85395

Square

Length = n
Perimeter 80645552
Area 406481566086544
Diagonal 28512508.345866

Cube

Length = n
Surface area 2438889396519264
Volume 8.1952325687185E+21
Space diagonal 34920548.367109

Equilateral Triangle

Length = n
Perimeter 60484164
Area 1.7601168120052E+14
Altitude 17460274.183555

Triangular Pyramid

Length = n
Surface area 1.7601168120052E+14
Volume 9.6581742045694E+20
Height 9504169.4486221