20162081 (number)

20162081 is an odd 8-digits composite number following 20162080 and preceding 20162082. In scientific notation, it is written as 2.0162081 × 10^7. The sum of its digits is 20. It has a total of 2 prime factors and 4 positive divisors. There are 20150832 positive integers (up to 20162081) that are relatively prime to 20162081.

Interesting facts

Basic properties

Name

Name twenty million one hundred sixty-two thousand eighty-one

Notation

Scientific notation 2.0162081 × 10^7
Engineering notation 2.0162081 × 10^6

Prime Factorization of 20162081

Prime Factorization 2237 × 9013

Composite number
ω Distinct Factors 2
Total number of distinct prime factors
Ω Total Factors 2
Total number of prime factors
rad Radical 20162081
Product of the distinct prime numbers

The prime factorization of 20162081 is 2237 × 9013. Since it has a total of 2 prime factors.

Most popular turbo-numbers

Basic calculations (n = 20162081)

Multiplication

n×y
n×2 40324162
n×3 60486243
n×4 80648324
n×5 100810405

Division

n÷y
n÷2 10081040.5
n÷3 6720693.6666667
n÷3 5040520.25
n÷5 4032416.2

Exponentiation

ny
n2 406509510250561
n3 8.1960776729421E+21
n4 1.6524998192415E+29
n5 3.3317835208033E+36

Nth Root

y√n
2√n 4490.2205959173
3√n 272.17304894272
4√n 67.009108305642
5√n 28.900614099472

Divisors of 20162081

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 -20162080
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 20162081 can be divided by 4 positive divisors. The sum of these divisors (counting 20162081) is 1, the average is 0.25.

Base conversion 20162081

Base System Value
2 Binary 1001100111010011000100001
3 Ternary 1101221100011202
4 Quaternary 1030322120201
5 Quinary 20130141311
6 Senary 2000050545
8 Octal 114723041
10 Decimal 20162081
12 Duodecimal 6903a55
16 Hexadecimal 133a621
20 Vigesimal 660541
36 Base36 c055t

Cryptographic Hash Functions

md5 99eee5c4f528246a2a84803ad5b11bd1
sha1 a7c0457c5fbcdb118e2a285f35c3d0f3bf598219
sha256 54c6a78b02b409d1a67bbbb6a1b793c08391589d12002e1242580ecc4053edef
sha512 7d41e6c95c1d9ff12c789db473456a2a76b87c46b95dac7fee7a4828edc98c355257edb01c975f02ee44b1c7f8059031a04a4363e7ff38e1bb10050c1654540b
ripemd-160 55c8119ec9bce1ad3ea0aa013fbf12955799875c

20162081 as geometric shapes

Circle

Radius = n
Diameter 40324162
Circumference 126682091.10136
Area 1.2770872910175E+15

Sphere

Radius = n
Volume 3.4331649874088E+22
Surface area 5.1083491640702E+15
Circumference 126682091.10136

Square

Length = n
Perimeter 80648324
Area 406509510250561
Diagonal 28513488.395865

Cube

Length = n
Surface area 2439057061503366
Volume 8.1960776729421E+21
Space diagonal 34921748.678319

Equilateral Triangle

Length = n
Perimeter 60486243
Area 1.7602378137848E+14
Altitude 17460874.33916

Triangular Pyramid

Length = n
Surface area 1.7602378137848E+14
Volume 9.6591701694484E+20
Height 9504496.131955