20147721 (number)

20147721 is an odd 8-digits composite number following 20147720 and preceding 20147722. In scientific notation, it is written as 2.0147721 × 10^7. The sum of its digits is 24. It has a total of 5 prime factors and 32 positive divisors. There are 11450880 positive integers (up to 20147721) that are relatively prime to 20147721.

Interesting facts

Basic properties

Name

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

Notation

Scientific notation 2.0147721 × 10^7
Engineering notation 2.0147721 × 10^6

Prime Factorization of 20147721

Prime Factorization 3 × 29 × 11 × 37 × 569

Composite number
ω Distinct Factors 5
Total number of distinct prime factors
Ω Total Factors 5
Total number of prime factors
rad Radical 20147721
Product of the distinct prime numbers

The prime factorization of 20147721 is 3 × 29 × 11 × 37 × 569. Since it has a total of 5 prime factors.

Most popular turbo-numbers

Basic calculations (n = 20147721)

Multiplication

n×y
n×2 40295442
n×3 60443163
n×4 80590884
n×5 100738605

Division

n÷y
n÷2 10073860.5
n÷3 6715907
n÷3 5036930.25
n÷5 4029544.2

Exponentiation

ny
n2 405930661493841
n3 8.1785777131234E+21
n4 1.6477970194083E+29
n5 3.3199354611669E+36

Nth Root

y√n
2√n 4488.621280527
3√n 272.10841716782
4√n 66.997173675663
5√n 28.896496160431

Divisors of 20147721

32 divisors

τ Total Divisors 32
Total number of the positive divisors of n
σ Sum of Divisors 1
Sum of all the positive divisors of n
s Aliquot Sum -20147720
Sum of the proper positive divisors of n
A Arithmetic Mean 0.03125
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 32
Returns the total number of divisors (τ(n)) divided by the sum of the reciprocal of each divisors

The number 20147721 can be divided by 32 positive divisors. The sum of these divisors (counting 20147721) is 1, the average is 0.03125.

Base conversion 20147721

Base System Value
2 Binary 1001100110110111000001001
3 Ternary 1101220121110220
4 Quaternary 1030312320021
5 Quinary 20124211341
6 Senary 1555500253
8 Octal 114667011
10 Decimal 20147721
12 Duodecimal 68b7689
16 Hexadecimal 1336e09
20 Vigesimal 65i961
36 Base36 bzu2x

Cryptographic Hash Functions

md5 2661054b0880e84c6984143235d3fed4
sha1 9d8f49f5261323f866f99cef4efe0438c1b6e767
sha256 92d844785277050dbda6d1e02fe656b6a61c33d85f1626f4a697b4d3d0208114
sha512 e6746ac37175cfc6c77a72534bb8ec29bcb9bf57e829a0a2d45ab01cc7b40cc3e983af554925b76197b32478d7d527c7ce9780a664f67d1292d5519209dc9f57
ripemd-160 89187eeb341d31a24f9ea1de640b8212c7740f67

20147721 as geometric shapes

Circle

Radius = n
Diameter 40295442
Circumference 126591864.56035
Area 1.2752687840159E+15

Sphere

Radius = n
Volume 3.4258346213815E+22
Surface area 5.1010751360636E+15
Circumference 126591864.56035

Square

Length = n
Perimeter 80590884
Area 405930661493841
Diagonal 28493180.289109

Cube

Length = n
Surface area 2435583968963046
Volume 8.1785777131234E+21
Space diagonal 34896876.428722

Equilateral Triangle

Length = n
Perimeter 60443163
Area 1.7577313251434E+14
Altitude 17448438.214361

Triangular Pyramid

Length = n
Surface area 1.7577313251434E+14
Volume 9.6385462690178E+20
Height 9497726.7630364