20147745 (number)

20147745 is an odd 8-digits composite number following 20147744 and preceding 20147746. In scientific notation, it is written as 2.0147745 × 10^7. The sum of its digits is 30. It has a total of 2 prime factors and 4 positive divisors. There are 10745456 positive integers (up to 20147745) that are relatively prime to 20147745.

Interesting facts

Basic properties

Name

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

Notation

Scientific notation 2.0147745 × 10^7
Engineering notation 2.0147745 × 10^6

Prime Factorization of 20147745

Prime Factorization 15 × 1343183

Composite number
ω Distinct Factors 2
Total number of distinct prime factors
Ω Total Factors 2
Total number of prime factors
rad Radical 20147745
Product of the distinct prime numbers

The prime factorization of 20147745 is 15 × 1343183. Since it has a total of 2 prime factors.

Most popular turbo-numbers

Basic calculations (n = 20147745)

Multiplication

n×y
n×2 40295490
n×3 60443235
n×4 80590980
n×5 100738725

Division

n÷y
n÷2 10073872.5
n÷3 6715915
n÷3 5036936.25
n÷5 4029549

Exponentiation

ny
n2 405931628585025
n3 8.1786069401658E+21
n4 1.6478048708569E+29
n5 3.3199552347783E+36

Nth Root

y√n
2√n 4488.6239539529
3√n 272.10852521311
4√n 66.997193627442
5√n 28.896503044739

Divisors of 20147745

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 -20147744
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 20147745 can be divided by 4 positive divisors. The sum of these divisors (counting 20147745) is 1, the average is 0.25.

Base conversion 20147745

Base System Value
2 Binary 1001100110110111000100001
3 Ternary 1101220121111210
4 Quaternary 1030312320201
5 Quinary 20124211440
6 Senary 1555500333
8 Octal 114667041
10 Decimal 20147745
12 Duodecimal 68b76a9
16 Hexadecimal 1336e21
20 Vigesimal 65i975
36 Base36 bzu3l

Cryptographic Hash Functions

md5 6d57b44a175e8fc710ee70c42e9ecc80
sha1 771b914f3776e6a4579f6abfc1e40b9339ef5a1b
sha256 c01723956680b992670be7295bd12262770caa1393b6e854eef9c14e00fc8866
sha512 004d1432269db46160450e134b398d0de5b6d96206f7ae0e3c5f53373b9965d4d69d155bb2e767a1030430a1ea389989daf4d3e09160b53415d8b2f318625cd1
ripemd-160 56d6bd39b47274c3773a2ba4494b987ea58af574

20147745 as geometric shapes

Circle

Radius = n
Diameter 40295490
Circumference 126592015.3568
Area 1.2752718222225E+15

Sphere

Radius = n
Volume 3.4258468639764E+22
Surface area 5.1010872888898E+15
Circumference 126592015.3568

Square

Length = n
Perimeter 80590980
Area 405931628585025
Diagonal 28493214.230235

Cube

Length = n
Surface area 2435589771510150
Volume 8.1786069401658E+21
Space diagonal 34896917.997942

Equilateral Triangle

Length = n
Perimeter 60443235
Area 1.7577355127711E+14
Altitude 17448458.998971

Triangular Pyramid

Length = n
Surface area 1.7577355127711E+14
Volume 9.6385807134177E+20
Height 9497738.0767449