20161643 (number)

20161643 is an odd 8-digits composite number following 20161642 and preceding 20161644. In scientific notation, it is written as 2.0161643 × 10^7. The sum of its digits is 23. It has a total of 2 prime factors and 4 positive divisors. There are 18975648 positive integers (up to 20161643) that are relatively prime to 20161643.

Interesting facts

Basic properties

Name

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

Notation

Scientific notation 2.0161643 × 10^7
Engineering notation 2.0161643 × 10^6

Prime Factorization of 20161643

Prime Factorization 17 × 1185979

Composite number
ω Distinct Factors 2
Total number of distinct prime factors
Ω Total Factors 2
Total number of prime factors
rad Radical 20161643
Product of the distinct prime numbers

The prime factorization of 20161643 is 17 × 1185979. Since it has a total of 2 prime factors.

Most popular turbo-numbers

Basic calculations (n = 20161643)

Multiplication

n×y
n×2 40323286
n×3 60484929
n×4 80646572
n×5 100808215

Division

n÷y
n÷2 10080821.5
n÷3 6720547.6666667
n÷3 5040410.75
n÷5 4032328.6

Exponentiation

ny
n2 406491848459449
n3 8.1955435310495E+21
n4 1.6523562286398E+29
n5 3.3314216390662E+36

Nth Root

y√n
2√n 4490.171822993
3√n 272.17107803739
4√n 67.008744377081
5√n 28.900488531293

Divisors of 20161643

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 -20161642
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 20161643 can be divided by 4 positive divisors. The sum of these divisors (counting 20161643) is 1, the average is 0.25.

Base conversion 20161643

Base System Value
2 Binary 1001100111010010001101011
3 Ternary 1101221022120112
4 Quaternary 1030322101223
5 Quinary 20130133033
6 Senary 2000044535
8 Octal 114722153
10 Decimal 20161643
12 Duodecimal 690374b
16 Hexadecimal 133a46b
20 Vigesimal 660423
36 Base36 c04tn

Cryptographic Hash Functions

md5 a92f247dd398f2a964be3f1b47f15b4b
sha1 e282d2b476bfcfa53ad574713012d2eaf9326497
sha256 d9691cde243729a910c9b4870f1940b366a478e88178ed40b9c04416c3630fde
sha512 c6045c6fe786d6eb32a9c17f85f8060bbfb7deb5a204918e04e2467d908665fc1c57912e262f625d420fcfc33a4258ebcb8d57fd2844cec83824a480e8d84e82
ripemd-160 dfab1b73ac72262a3d8d5df2ff2daa99d80daab0

20161643 as geometric shapes

Circle

Radius = n
Diameter 40323286
Circumference 126679339.0662
Area 1.2770318048643E+15

Sphere

Radius = n
Volume 3.4329412465761E+22
Surface area 5.1081272194574E+15
Circumference 126679339.0662

Square

Length = n
Perimeter 80646572
Area 406491848459449
Diagonal 28512868.970325

Cube

Length = n
Surface area 2438951090756694
Volume 8.1955435310495E+21
Space diagonal 34920990.040065

Equilateral Triangle

Length = n
Perimeter 60484929
Area 1.7601613359859E+14
Altitude 17460495.020033

Triangular Pyramid

Length = n
Surface area 1.7601613359859E+14
Volume 9.6585406771911E+20
Height 9504289.6567749