20161621 (number)

20161621 is an odd 8-digits composite number following 20161620 and preceding 20161622. In scientific notation, it is written as 2.0161621 × 10^7. The sum of its digits is 19. It has a total of 2 prime factors and 4 positive divisors. There are 19976544 positive integers (up to 20161621) that are relatively prime to 20161621.

Interesting facts

Basic properties

Name

Name twenty million one hundred sixty-one thousand six hundred twenty-one

Notation

Scientific notation 2.0161621 × 10^7
Engineering notation 2.0161621 × 10^6

Prime Factorization of 20161621

Prime Factorization 109 × 184969

Composite number
ω Distinct Factors 2
Total number of distinct prime factors
Ω Total Factors 2
Total number of prime factors
rad Radical 20161621
Product of the distinct prime numbers

The prime factorization of 20161621 is 109 × 184969. Since it has a total of 2 prime factors.

Most popular turbo-numbers

Basic calculations (n = 20161621)

Multiplication

n×y
n×2 40323242
n×3 60484863
n×4 80646484
n×5 100808105

Division

n÷y
n÷2 10080810.5
n÷3 6720540.3333333
n÷3 5040405.25
n÷5 4032324.2

Exponentiation

ny
n2 406490961347641
n3 8.1955167026168E+21
n4 1.6523490165733E+29
n5 3.3314034631873E+36

Nth Root

y√n
2√n 4490.1693731974
3√n 272.17097904139
4√n 67.008726097408
5√n 28.900482224158

Divisors of 20161621

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 -20161620
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 20161621 can be divided by 4 positive divisors. The sum of these divisors (counting 20161621) is 1, the average is 0.25.

Base conversion 20161621

Base System Value
2 Binary 1001100111010010001010101
3 Ternary 1101221022112201
4 Quaternary 1030322101111
5 Quinary 20130132441
6 Senary 2000044501
8 Octal 114722125
10 Decimal 20161621
12 Duodecimal 6903731
16 Hexadecimal 133a455
20 Vigesimal 660411
36 Base36 c04t1

Cryptographic Hash Functions

md5 013b2e836e1a6182a0b3d9ea989558a0
sha1 519c6cbc096a013a213ec170e63b3d42fac13d37
sha256 9eaddbe9535cbbbf438a0e105411cfc2e9f83231c7cdf365b87162454bc2af66
sha512 7cb7c3dc0a2285663c64cffd3555bc1cb069ab1ce076fedd72927a887392d46e7acc6ef39b4cf5a1b4a8c6d7845bc28d2cc726456f0ae0d93f2e081ab6937ffb
ripemd-160 18bc5c83f065d9955b24d88422e5328dbf6b1c06

20161621 as geometric shapes

Circle

Radius = n
Diameter 40323242
Circumference 126679200.83612
Area 1.2770290179204E+15

Sphere

Radius = n
Volume 3.4329300087084E+22
Surface area 5.1081160716816E+15
Circumference 126679200.83612

Square

Length = n
Perimeter 80646484
Area 406490961347641
Diagonal 28512837.857626

Cube

Length = n
Surface area 2438945768085846
Volume 8.1955167026168E+21
Space diagonal 34920951.934948

Equilateral Triangle

Length = n
Perimeter 60484863
Area 1.7601574946791E+14
Altitude 17460475.967474

Triangular Pyramid

Length = n
Surface area 1.7601574946791E+14
Volume 9.6585090595799E+20
Height 9504279.2858754