20351389 (number)

20351389 is an odd 8-digits composite number following 20351388 and preceding 20351390. In scientific notation, it is written as 2.0351389 × 10^7. The sum of its digits is 31. It has a total of 3 prime factors and 8 positive divisors. There are 19411920 positive integers (up to 20351389) that are relatively prime to 20351389.

Interesting facts

Basic properties

Name

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

Notation

Scientific notation 2.0351389 × 10^7
Engineering notation 2.0351389 × 10^6

Prime Factorization of 20351389

Prime Factorization 23 × 431 × 2053

Composite number
ω Distinct Factors 3
Total number of distinct prime factors
Ω Total Factors 3
Total number of prime factors
rad Radical 20351389
Product of the distinct prime numbers

The prime factorization of 20351389 is 23 × 431 × 2053. Since it has a total of 3 prime factors.

Most popular turbo-numbers

Basic calculations (n = 20351389)

Multiplication

n×y
n×2 40702778
n×3 61054167
n×4 81405556
n×5 101756945

Division

n÷y
n÷2 10175694.5
n÷3 6783796.3333333
n÷3 5087847.25
n÷5 4070277.8

Exponentiation

ny
n2 414179034229321
n3 8.4291186412452E+21
n4 1.7154427239513E+29
n5 3.4911642182353E+36

Nth Root

y√n
2√n 4511.251378498
3√n 273.02223561771
4√n 67.165849793612
5√n 28.954682768807

Divisors of 20351389

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 -20351388
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 20351389 can be divided by 8 positive divisors. The sum of these divisors (counting 20351389) is 1, the average is 0.125.

Base conversion 20351389

Base System Value
2 Binary 1001101101000100110011101
3 Ternary 1102021221212011
4 Quaternary 1031220212131
5 Quinary 20202221024
6 Senary 2004111221
8 Octal 115504635
10 Decimal 20351389
12 Duodecimal 6995511
16 Hexadecimal 136899d
20 Vigesimal 673i99
36 Base36 c478d

Cryptographic Hash Functions

md5 2ee7fcd4542a361c84e1ad5e4bb58883
sha1 1f4c123952756d59545379986b3de504f332d3b0
sha256 66c746ab766fe11bc432cfddd03c84d597629f3fadbfc6bc87a9cb1eb08c3f45
sha512 6d45967855e34a66eaabd8f8e36d75170de6b1cb20d969c845b7167a2e127ae740f6915cbde03b532c1a92995a45b152998c6865b8d6cb8c26a96200bad1fdc0
ripemd-160 1730c6b1ee3b73601b2bfd321ab1b2a63717331f

20351389 as geometric shapes

Circle

Radius = n
Diameter 40702778
Circumference 127871548.3455
Area 1.3011818112058E+15

Sphere

Radius = n
Volume 3.530780959943E+22
Surface area 5.204727244823E+15
Circumference 127871548.3455

Square

Length = n
Perimeter 81405556
Area 414179034229321
Diagonal 28781210.336931

Cube

Length = n
Surface area 2485074205375926
Volume 8.4291186412452E+21
Space diagonal 35249639.752598

Equilateral Triangle

Length = n
Perimeter 61054167
Area 1.7934478267875E+14
Altitude 17624819.876299

Triangular Pyramid

Length = n
Surface area 1.7934478267875E+14
Volume 9.9338115844174E+20
Height 9593736.7789769