20155081 (number)

20155081 is an odd 8-digits composite number following 20155080 and preceding 20155082. In scientific notation, it is written as 2.0155081 × 10^7. The sum of its digits is 22. It has a total of 4 prime factors and 16 positive divisors. There are 18413568 positive integers (up to 20155081) that are relatively prime to 20155081.

Interesting facts

Basic properties

Name

Name twenty million one hundred fifty-five thousand eighty-one

Notation

Scientific notation 2.0155081 × 10^7
Engineering notation 2.0155081 × 10^6

Prime Factorization of 20155081

Prime Factorization 17 × 73 × 149 × 109

Composite number
ω Distinct Factors 4
Total number of distinct prime factors
Ω Total Factors 4
Total number of prime factors
rad Radical 20155081
Product of the distinct prime numbers

The prime factorization of 20155081 is 17 × 73 × 149 × 109. Since it has a total of 4 prime factors.

Most popular turbo-numbers

Basic calculations (n = 20155081)

Multiplication

n×y
n×2 40310162
n×3 60465243
n×4 80620324
n×5 100775405

Division

n÷y
n÷2 10077540.5
n÷3 6718360.3333333
n÷3 5038770.25
n÷5 4031016.2

Exponentiation

ny
n2 406227290116561
n3 8.1875439367098E+21
n4 1.6502061123544E+29
n5 3.3260037861199E+36

Nth Root

y√n
2√n 4489.4410565236
3√n 272.14154703785
4√n 67.003291385749
5√n 28.898607040781

Divisors of 20155081

16 divisors

τ Total Divisors 16
Total number of the positive divisors of n
σ Sum of Divisors 1
Sum of all the positive divisors of n
s Aliquot Sum -20155080
Sum of the proper positive divisors of n
A Arithmetic Mean 0.0625
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 16
Returns the total number of divisors (τ(n)) divided by the sum of the reciprocal of each divisors

The number 20155081 can be divided by 16 positive divisors. The sum of these divisors (counting 20155081) is 1, the average is 0.0625.

Base conversion 20155081

Base System Value
2 Binary 1001100111000101011001001
3 Ternary 1101220222120111
4 Quaternary 1030320223021
5 Quinary 20124430311
6 Senary 1555554321
8 Octal 114705311
10 Decimal 20155081
12 Duodecimal 68bb9a1
16 Hexadecimal 1338ac9
20 Vigesimal 65j7e1
36 Base36 bzzrd

Cryptographic Hash Functions

md5 66156d13831fe884260e12bdc90b4f9d
sha1 8968344549254bf4d88db1c683b72cfafcf10a9d
sha256 d40c842e7ad3d6819869b050c1512516a6581c62e3e1889936ddd438f2314463
sha512 f88237d4764b4bd3c9c91ec67a79605aa72636496323ace721a0ed5e66123054ed6fa3bc90331943a8a67072ed11c171f1a68f0dd193b32a8e5c6b3b652987e7
ripemd-160 535db01c0f475f37e0626c119f87a00aaf1183b5

20155081 as geometric shapes

Circle

Radius = n
Diameter 40310162
Circumference 126638108.80421
Area 1.2762006703179E+15

Sphere

Radius = n
Volume 3.4295903843348E+22
Surface area 5.1048026812715E+15
Circumference 126638108.80421

Square

Length = n
Perimeter 80620324
Area 406227290116561
Diagonal 28503588.900928

Cube

Length = n
Surface area 2437363740699366
Volume 8.1875439367098E+21
Space diagonal 34909624.322666

Equilateral Triangle

Length = n
Perimeter 60465243
Area 1.7590157647573E+14
Altitude 17454812.161333

Triangular Pyramid

Length = n
Surface area 1.7590157647573E+14
Volume 9.6491130648505E+20
Height 9501196.3003094