20147728 (number)

20147728 is an even 8-digits composite number following 20147727 and preceding 20147729. In scientific notation, it is written as 2.0147728 × 10^7. The sum of its digits is 31. It has a total of 6 prime factors and 20 positive divisors. There are 9827840 positive integers (up to 20147728) that are relatively prime to 20147728.

Interesting facts

Basic properties

Name

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

Notation

Scientific notation 2.0147728 × 10^7
Engineering notation 2.0147728 × 10^6

Prime Factorization of 20147728

Prime Factorization 2 × 2 × 2 × 2 × 41 × 30713

Composite number
ω Distinct Factors 3
Total number of distinct prime factors
Ω Total Factors 6
Total number of prime factors
rad Radical 2518466
Product of the distinct prime numbers

The prime factorization of 20147728 is 2 × 2 × 2 × 2 × 41 × 30713. Since it has a total of 6 prime factors.

Most popular turbo-numbers

1, 7, 38, 41, 557, 116, 8663, 8570, 90145, 42810, 259412, 250412, 8722743, 5064411, 80741351, 51363108, 781245623, 388654708, 847571831, 3523851318

Basic calculations (n = 20147728)

Multiplication

n×y
n×2 40295456
n×3 60443184
n×4 80590912
n×5 100738640

Division

n÷y
n÷2 10073864
n÷3 6715909.3333333
n÷3 5036932
n÷5 4029545.6

Exponentiation

ny
n2 405930943561984
n3 8.1785862376702E+21
n4 1.6477993094112E+29
n5 3.3199412284605E+36

Nth Root

y√n
2√n 4488.6220602764
3√n 272.10844868104
4√n 66.997179494934
5√n 28.896498168354

Divisors of 20147728

1, 2, 4, 8, 16, 41, 82, 164, 328, 656, 30713, 61426, 122852, 245704, 491408, 1259233, 2518466, 5036932, 10073864, 20147728

20 divisors

τ Total Divisors 20
Total number of the positive divisors of n
σ Sum of Divisors 1
Sum of all the positive divisors of n
s Aliquot Sum -20147727
Sum of the proper positive divisors of n
A Arithmetic Mean 0.05
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 20
Returns the total number of divisors (τ(n)) divided by the sum of the reciprocal of each divisors

The number 20147728 can be divided by 20 positive divisors. The sum of these divisors (counting 20147728) is 1, the average is 0.05.

Base conversion 20147728

Base System Value
2 Binary 1001100110110111000010000
3 Ternary 1101220121111011
4 Quaternary 1030312320100
5 Quinary 20124211403
6 Senary 1555500304
8 Octal 114667020
10 Decimal 20147728
12 Duodecimal 68b7694
16 Hexadecimal 1336e10
20 Vigesimal 65i968
36 Base36 bzu34

Cryptographic Hash Functions

md5 181464e98af574c2042922b8bc66b00b
sha1 98baefb3a72fdc8cefc1ebec26541af0f76637ee
sha256 27fc94e587c8c7fc12e73134ff1e344a7425038a1e94978b7437cd823274a380
sha512 be3a539bc08fe2fbc0c81223454eb006b81cf48f277152b15311f60ac7370f9e66378874729b93ae9411b99b3d55342c9fd77b098376567048da6781c20243db
ripemd-160 f5f39d5ee8d1587333bce86b5adaf1927b7c5743

20147728 as geometric shapes

Circle

Radius = n
Diameter 40295456
Circumference 126591908.54265
Area 1.2752696701591E+15

Sphere

Radius = n
Volume 3.4258381921354E+22
Surface area 5.1010786806364E+15
Circumference 126591908.54265

Square

Length = n
Perimeter 80590912
Area 405930943561984
Diagonal 28493190.188604

Cube

Length = n
Surface area 2435585661371904
Volume 8.1785862376702E+21
Space diagonal 34896888.553078

Equilateral Triangle

Length = n
Perimeter 60443184
Area 1.7577325465343E+14
Altitude 17448444.276539

Triangular Pyramid

Length = n
Surface area 1.7577325465343E+14
Volume 9.6385563152926E+20
Height 9497730.0628681