20147749 (number)

20147749 is an odd 8-digits composite number following 20147748 and preceding 20147750. In scientific notation, it is written as 2.0147749 × 10^7. The sum of its digits is 34. It has a total of 2 prime factors and 4 positive divisors. There are 20098080 positive integers (up to 20147749) that are relatively prime to 20147749.

Interesting facts

Basic properties

Name

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

Notation

Scientific notation 2.0147749 × 10^7
Engineering notation 2.0147749 × 10^6

Prime Factorization of 20147749

Prime Factorization 409 × 49261

Composite number
ω Distinct Factors 2
Total number of distinct prime factors
Ω Total Factors 2
Total number of prime factors
rad Radical 20147749
Product of the distinct prime numbers

The prime factorization of 20147749 is 409 × 49261. Since it has a total of 2 prime factors.

Most popular turbo-numbers

Basic calculations (n = 20147749)

Multiplication

n×y
n×2 40295498
n×3 60443247
n×4 80590996
n×5 100738745

Division

n÷y
n÷2 10073874.5
n÷3 6715916.3333333
n÷3 5036937.25
n÷5 4029549.8

Exponentiation

ny
n2 405931789767001
n3 8.1786118113463E+21
n4 1.6478061794344E+29
n5 3.3199585303893E+36

Nth Root

y√n
2√n 4488.6243995238
3√n 272.10854322065
4√n 66.997196952736
5√n 28.896504192123

Divisors of 20147749

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 -20147748
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 20147749 can be divided by 4 positive divisors. The sum of these divisors (counting 20147749) is 1, the average is 0.25.

Base conversion 20147749

Base System Value
2 Binary 1001100110110111000100101
3 Ternary 1101220121111221
4 Quaternary 1030312320211
5 Quinary 20124211444
6 Senary 1555500341
8 Octal 114667045
10 Decimal 20147749
12 Duodecimal 68b76b1
16 Hexadecimal 1336e25
20 Vigesimal 65i979
36 Base36 bzu3p

Cryptographic Hash Functions

md5 8b0f30d2122d3cc0785f64673ee3e901
sha1 6c12d78efdd55668e8ba477609dc87247b18ac4d
sha256 1b9e696831751522e693987b8eb539958fc283d497ec95b5d59bc871dfc9966b
sha512 7612a230806489eaf744aff6a82974dd771822b4209c5e98f1629cbe9b6f1f6e57952dbaed76b4e9ba85cdf69265491c59756739d15cf00b4f2d505f3a638896
ripemd-160 7eed44478cdc83505b4578fe354a3637bce1085c

20147749 as geometric shapes

Circle

Radius = n
Diameter 40295498
Circumference 126592040.48954
Area 1.2752723285906E+15

Sphere

Radius = n
Volume 3.4258489044118E+22
Surface area 5.1010893143623E+15
Circumference 126592040.48954

Square

Length = n
Perimeter 80590996
Area 405931789767001
Diagonal 28493219.887089

Cube

Length = n
Surface area 2435590738602006
Volume 8.1786118113463E+21
Space diagonal 34896924.926145

Equilateral Triangle

Length = n
Perimeter 60443247
Area 1.7577362107095E+14
Altitude 17448462.463073

Triangular Pyramid

Length = n
Surface area 1.7577362107095E+14
Volume 9.6385864541589E+20
Height 9497739.962363