2155281 (number)

2155281 is an odd 7-digits composite number following 2155280 and preceding 2155282. In scientific notation, it is written as 2.155281 × 10^6. The sum of its digits is 24. It has a total of 2 prime factors and 4 positive divisors. There are 1436852 positive integers (up to 2155281) that are relatively prime to 2155281.

Interesting facts

Basic properties

Name

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

Notation

Scientific notation 2.155281 × 10^6
Engineering notation 2.155281 × 10^6

Prime Factorization of 2155281

Prime Factorization 3 × 718427

Composite number
ω Distinct Factors 2
Total number of distinct prime factors
Ω Total Factors 2
Total number of prime factors
rad Radical 2155281
Product of the distinct prime numbers

The prime factorization of 2155281 is 3 × 718427. Since it has a total of 2 prime factors.

Most popular turbo-numbers

Basic calculations (n = 2155281)

Multiplication

n×y
n×2 4310562
n×3 6465843
n×4 8621124
n×5 10776405

Division

n÷y
n÷2 1077640.5
n÷3 718427
n÷3 538820.25
n÷5 431056.2

Exponentiation

ny
n2 4645236188961
n3 1.001178929858E+19
n4 2.1578219251233E+25
n5 4.6507125966017E+31

Nth Root

y√n
2√n 1468.0875314504
3√n 129.17187593744
4√n 38.315630380438
5√n 18.479949499341

Divisors of 2155281

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 -2155280
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 2155281 can be divided by 4 positive divisors. The sum of these divisors (counting 2155281) is 1, the average is 0.25.

Base conversion 2155281

Base System Value
2 Binary 1000001110001100010001
3 Ternary 11001111111020
4 Quaternary 20032030101
5 Quinary 1022432111
6 Senary 114110053
8 Octal 10161421
10 Decimal 2155281
12 Duodecimal 87b329
16 Hexadecimal 20e311
20 Vigesimal d9841
36 Base36 1a70x

Cryptographic Hash Functions

md5 6f389a57379991160c3e14ff41ae494a
sha1 dda8cd78a2a3e50b9e5e4e68fdf5d9fc39d1d557
sha256 606c19149a47fbff79c9737a000004337389fe611d717aaf3df8ad8d5f6ce555
sha512 bd7a8021d473362751716dc4c5201a5614e470f6a5716f3fdd995ff40c44ffbd1e2049fe34d28ad4e58212b3824bfe1e4cd9d92e8c1cb0a02758b31daf57f284
ripemd-160 94c6c3c728b246375dc125ad788922d9a2b729b7

2155281 as geometric shapes

Circle

Radius = n
Diameter 4310562
Circumference 13542029.912043
Area 14593439885429

Sphere

Radius = n
Volume 4.1937284946277E+19
Surface area 58373759541717
Circumference 13542029.912043

Square

Length = n
Perimeter 8621124
Area 4645236188961
Diagonal 3048027.620925

Cube

Length = n
Surface area 27871417133766
Volume 1.001178929858E+19
Space diagonal 3733056.1965879

Equilateral Triangle

Length = n
Perimeter 6465843
Area 2011446273109.5
Altitude 1866528.0982939

Triangular Pyramid

Length = n
Surface area 2011446273109.5
Volume 1.1799006841395E+18
Height 1016009.206975