20161840 (number)

20161840 is an even 8-digits composite number following 20161839 and preceding 20161841. In scientific notation, it is written as 2.0161840 × 10^7. The sum of its digits is 22. It has a total of 7 prime factors and 40 positive divisors. There are 7875840 positive integers (up to 20161840) that are relatively prime to 20161840.

Interesting facts

Basic properties

Name

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

Notation

Scientific notation 2.0161840 × 10^7
Engineering notation 2.0161840 × 10^6

Prime Factorization of 20161840

Prime Factorization 2 × 2 × 2 × 2 × 5 × 43 × 5861

Composite number
ω Distinct Factors 4
Total number of distinct prime factors
Ω Total Factors 7
Total number of prime factors
rad Radical 2520230
Product of the distinct prime numbers

The prime factorization of 20161840 is 2 × 2 × 2 × 2 × 5 × 43 × 5861. Since it has a total of 7 prime factors.

Most popular turbo-numbers

6, 10, 46, 56, 249, 774, 6196, 6437, 70927, 96599, 117987, 811672, 1656218, 8829387, 85058238, 51014585, 588662952, 285690459, 5581739159, 2718738935

Basic calculations (n = 20161840)

Multiplication

n×y
n×2 40323680
n×3 60485520
n×4 80647360
n×5 100809200

Division

n÷y
n÷2 10080920
n÷3 6720613.3333333
n÷3 5040460
n÷5 4032368

Exponentiation

ny
n2 406499792185600
n3 8.1957837700793E+21
n4 1.6524208104694E+29
n5 3.3315843993354E+36

Nth Root

y√n
2√n 4490.1937597391
3√n 272.17196449834
4√n 67.008908062579
5√n 28.900545008575

Divisors of 20161840

1, 2, 4, 5, 8, 10, 16, 20, 40, 43, 80, 86, 172, 215, 344, 430, 688, 860, 1720, 3440, 5861, 11722, 23444, 29305, 46888, 58610, 93776, 117220, 234440, 252023, 468880, 504046, 1008092, 1260115, 2016184, 2520230, 4032368, 5040460, 10080920, 20161840

40 divisors

τ Total Divisors 40
Total number of the positive divisors of n
σ Sum of Divisors 1
Sum of all the positive divisors of n
s Aliquot Sum -20161839
Sum of the proper positive divisors of n
A Arithmetic Mean 0.025
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 40
Returns the total number of divisors (τ(n)) divided by the sum of the reciprocal of each divisors

The number 20161840 can be divided by 40 positive divisors. The sum of these divisors (counting 20161840) is 1, the average is 0.025.

Base conversion 20161840

Base System Value
2 Binary 1001100111010010100110000
3 Ternary 1101221022211211
4 Quaternary 1030322110300
5 Quinary 20130134330
6 Senary 2000045504
8 Octal 114722460
10 Decimal 20161840
12 Duodecimal 6903894
16 Hexadecimal 133a530
20 Vigesimal 6604c0
36 Base36 c04z4

Cryptographic Hash Functions

md5 48a5f5b5a6635f68296088e37a1f1acc
sha1 d43a45d7f95a5583c55189337b0511fc01d28d95
sha256 829d75422fc10fa01e08c23a1ade61f9074c3cd3e0b2b1c64086d5741da58028
sha512 2773b35454160e7898f29cee35636b796a33fd895b5318bb3d1fe3112a938647508c541469167db655d90ae0ee576d7216f1819bc3d6d2858ba9849a6a3a4401
ripemd-160 ccaaf3eeac75cc79c72726cda57eabfd23dbee28

20161840 as geometric shapes

Circle

Radius = n
Diameter 40323680
Circumference 126680576.85371
Area 1.2770567608161E+15

Sphere

Radius = n
Volume 3.4330418776656E+22
Surface area 5.1082270432642E+15
Circumference 126680576.85371

Square

Length = n
Perimeter 80647360
Area 406499792185600
Diagonal 28513147.570396

Cube

Length = n
Surface area 2438998753113600
Volume 8.1957837700793E+21
Space diagonal 34921331.254074

Equilateral Triangle

Length = n
Perimeter 60485520
Area 1.7601957333291E+14
Altitude 17460665.627037

Triangular Pyramid

Length = n
Surface area 1.7601957333291E+14
Volume 9.6588238016029E+20
Height 9504382.5234655