2155455 (number)

2155455 is an odd 7-digits composite number following 2155454 and preceding 2155456. In scientific notation, it is written as 2.155455 × 10^6. The sum of its digits is 27. It has a total of 4 prime factors and 16 positive divisors. There are 1088640 positive integers (up to 2155455) that are relatively prime to 2155455.

Interesting facts

Basic properties

Name

Name two million one hundred fifty-five thousand four hundred fifty-five

Notation

Scientific notation 2.155455 × 10^6
Engineering notation 2.155455 × 10^6

Prime Factorization of 2155455

Prime Factorization 5 × 9 × 19 × 2521

Composite number
ω Distinct Factors 4
Total number of distinct prime factors
Ω Total Factors 4
Total number of prime factors
rad Radical 2155455
Product of the distinct prime numbers

The prime factorization of 2155455 is 5 × 9 × 19 × 2521. Since it has a total of 4 prime factors.

Most popular turbo-numbers

Basic calculations (n = 2155455)

Multiplication

n×y
n×2 4310910
n×3 6466365
n×4 8621820
n×5 10777275

Division

n÷y
n÷2 1077727.5
n÷3 718485
n÷3 538863.75
n÷5 431091

Exponentiation

ny
n2 4645986257025
n3 1.0014214307636E+19
n4 2.1585188300465E+25
n5 4.6525902048179E+31

Nth Root

y√n
2√n 1468.146791026
3√n 129.17535194229
4√n 38.316403680748
5√n 18.480247874113

Divisors of 2155455

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 -2155454
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 2155455 can be divided by 16 positive divisors. The sum of these divisors (counting 2155455) is 1, the average is 0.0625.

Base conversion 2155455

Base System Value
2 Binary 1000001110001110111111
3 Ternary 11001111201200
4 Quaternary 20032032333
5 Quinary 1022433310
6 Senary 114110543
8 Octal 10161677
10 Decimal 2155455
12 Duodecimal 87b453
16 Hexadecimal 20e3bf
20 Vigesimal d98cf
36 Base36 1a75r

Cryptographic Hash Functions

md5 58b42d050cbe4ae0d4b2ab34c374d4ca
sha1 2c138dc6242874acf7c3776630c730980f590103
sha256 08bf41e34bf0ed755e301e260f6143fa2cae1cc21a208dd675acb75d4ae8b45c
sha512 b993bf16824d08a0503eff0ef90d67971652d3c56ffff9524acc4994e7adfd7286feef3c85093cf6546cd34c0e4cae190be2439cc9a75a029ff5c36b4bc241ab
ripemd-160 31cdc86b4ade2c83c145d046b194293381d61d63

2155455 as geometric shapes

Circle

Radius = n
Diameter 4310910
Circumference 13543123.186287
Area 14595796293749

Sphere

Radius = n
Volume 4.1947442800457E+19
Surface area 58383185174996
Circumference 13543123.186287

Square

Length = n
Perimeter 8621820
Area 4645986257025
Diagonal 3048273.6940849

Cube

Length = n
Surface area 27875917542150
Volume 1.0014214307636E+19
Space diagonal 3733357.5734284

Equilateral Triangle

Length = n
Perimeter 6466365
Area 2011771062108.5
Altitude 1866678.7867142

Triangular Pyramid

Length = n
Surface area 2011771062108.5
Volume 1.1801864741974E+18
Height 1016091.2313616