20161940 (number)

20161940 is an even 8-digits composite number following 20161939 and preceding 20161941. In scientific notation, it is written as 2.0161940 × 10^7. The sum of its digits is 23. It has a total of 5 prime factors and 24 positive divisors. There are 8012160 positive integers (up to 20161940) that are relatively prime to 20161940.

Interesting facts

Basic properties

Name

Name twenty million one hundred sixty-one thousand nine hundred forty

Notation

Scientific notation 2.0161940 × 10^7
Engineering notation 2.0161940 × 10^6

Prime Factorization of 20161940

Prime Factorization 2 × 2 × 5 × 157 × 6421

Composite number
ω Distinct Factors 4
Total number of distinct prime factors
Ω Total Factors 5
Total number of prime factors
rad Radical 10080970
Product of the distinct prime numbers

The prime factorization of 20161940 is 2 × 2 × 5 × 157 × 6421. Since it has a total of 5 prime factors.

Most popular turbo-numbers

2, 5, 72, 3, 220, 90, 5562, 6944, 35782, 31714, 697591, 510570, 2292947, 330394, 58968329, 26676604, 176352848, 882700958, 3227925343, 5482686435

Basic calculations (n = 20161940)

Multiplication

n×y
n×2 40323880
n×3 60485820
n×4 80647760
n×5 100809700

Division

n÷y
n÷2 10080970
n÷3 6720646.6666667
n÷3 5040485
n÷5 4032388

Exponentiation

ny
n2 406503824563600
n3 8.1959057206218E+21
n4 1.6524535938483E+29
n5 3.3316670211955E+36

Nth Root

y√n
2√n 4490.2048951022
3√n 272.17241447631
4√n 67.008991151205
5√n 28.900573677077

Divisors of 20161940

1, 2, 4, 5, 10, 20, 157, 314, 628, 785, 1570, 3140, 6421, 12842, 25684, 32105, 64210, 128420, 1008097, 2016194, 4032388, 5040485, 10080970, 20161940

24 divisors

τ Total Divisors 24
Total number of the positive divisors of n
σ Sum of Divisors 1
Sum of all the positive divisors of n
s Aliquot Sum -20161939
Sum of the proper positive divisors of n
A Arithmetic Mean 0.041666666666667
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 24
Returns the total number of divisors (τ(n)) divided by the sum of the reciprocal of each divisors

The number 20161940 can be divided by 24 positive divisors. The sum of these divisors (counting 20161940) is 1, the average is 0.041666666666667.

Base conversion 20161940

Base System Value
2 Binary 1001100111010010110010100
3 Ternary 1101221022222112
4 Quaternary 1030322112110
5 Quinary 20130140230
6 Senary 2000050152
8 Octal 114722624
10 Decimal 20161940
12 Duodecimal 6903958
16 Hexadecimal 133a594
20 Vigesimal 6604h0
36 Base36 c051w

Cryptographic Hash Functions

md5 4f11504f08e144e5ac8f291cb39a1909
sha1 c40c8ba54be9bd4d60f50cea37858124a86b2267
sha256 37744ace48e253ae772e0ceb23ab1316b73b99f4c5e6b4d7c565af4c3b676b2b
sha512 3d3a9ffc93da15bf9931051983ac432c904c3aa96cf7b339d87133c93cd01c62747116c95ba22e44291e2cb84cb210fe22a4b2305a60e6765e4133ecd7be79b2
ripemd-160 5601bb081f777619c819530563836044f349d33c

20161940 as geometric shapes

Circle

Radius = n
Diameter 40323880
Circumference 126681205.17224
Area 1.2770694289052E+15

Sphere

Radius = n
Volume 3.4330929601893E+22
Surface area 5.1082777156206E+15
Circumference 126681205.17224

Square

Length = n
Perimeter 80647760
Area 406503824563600
Diagonal 28513288.991753

Cube

Length = n
Surface area 2439022947381600
Volume 8.1959057206218E+21
Space diagonal 34921504.459155

Equilateral Triangle

Length = n
Perimeter 60485820
Area 1.7602131940381E+14
Altitude 17460752.229578

Triangular Pyramid

Length = n
Surface area 1.7602131940381E+14
Volume 9.6589675216955E+20
Height 9504429.6639175