20189729 (number)

20189729 is an odd 8-digits composite number following 20189728 and preceding 20189730. In scientific notation, it is written as 2.0189729 × 10^7. The sum of its digits is 38. It has a total of 3 prime factors and 8 positive divisors. There are 17194320 positive integers (up to 20189729) that are relatively prime to 20189729.

Interesting facts

Basic properties

Name

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

Notation

Scientific notation 2.0189729 × 10^7
Engineering notation 2.0189729 × 10^6

Prime Factorization of 20189729

Prime Factorization 7 × 157 × 18371

Composite number
ω Distinct Factors 3
Total number of distinct prime factors
Ω Total Factors 3
Total number of prime factors
rad Radical 20189729
Product of the distinct prime numbers

The prime factorization of 20189729 is 7 × 157 × 18371. Since it has a total of 3 prime factors.

Most popular turbo-numbers

Basic calculations (n = 20189729)

Multiplication

n×y
n×2 40379458
n×3 60569187
n×4 80758916
n×5 100948645

Division

n÷y
n÷2 10094864.5
n÷3 6729909.6666667
n÷3 5047432.25
n÷5 4037945.8

Exponentiation

ny
n2 407625157093441
n3 8.229841455299E+21
n4 1.6615826869545E+29
n5 3.3546904160704E+36

Nth Root

y√n
2√n 4493.2982318115
3√n 272.29740124232
4√n 67.032068682172
5√n 28.908535962809

Divisors of 20189729

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 -20189728
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 20189729 can be divided by 8 positive divisors. The sum of these divisors (counting 20189729) is 1, the average is 0.125.

Base conversion 20189729

Base System Value
2 Binary 1001101000001001000100001
3 Ternary 1101222202002202
4 Quaternary 1031001020201
5 Quinary 20132032404
6 Senary 2000422545
8 Octal 115011041
10 Decimal 20189729
12 Duodecimal 6917a55
16 Hexadecimal 1341221
20 Vigesimal 663e69
36 Base36 c0qht

Cryptographic Hash Functions

md5 c6ba0e2efef6eed34cb977f8af04a5ff
sha1 4f6baac79283587a6a7ec6bd29f197f47196084c
sha256 eb271a8412222019ebd0530dad1aba4220046bf6d4529fa72d349f1367bd9106
sha512 940476923d4954a06d699e8710e225576ac1fceb98e6d8d7b262cbfd4c720aba3545a8c9adffbf191d72174ec4f236ac004de17889c6090d76bed577cb904a96
ripemd-160 63b2356c610a953272a8d88533760db1482e2f2b

20189729 as geometric shapes

Circle

Radius = n
Diameter 40379458
Circumference 126855808.60874
Area 1.2805921989431E+15

Sphere

Radius = n
Volume 3.4473079274901E+22
Surface area 5.1223687957726E+15
Circumference 126855808.60874

Square

Length = n
Perimeter 80758916
Area 407625157093441
Diagonal 28552588.572437

Cube

Length = n
Surface area 2445750942560646
Volume 8.229841455299E+21
Space diagonal 34969636.419047

Equilateral Triangle

Length = n
Perimeter 60569187
Area 1.7650687063227E+14
Altitude 17484818.209523

Triangular Pyramid

Length = n
Surface area 1.7650687063227E+14
Volume 9.6989611685535E+20
Height 9517529.5241458