2155491 (number)

2155491 is an odd 7-digits composite number following 2155490 and preceding 2155492. In scientific notation, it is written as 2.155491 × 10^6. The sum of its digits is 27. It has a total of 4 prime factors and 16 positive divisors. There are 1254528 positive integers (up to 2155491) that are relatively prime to 2155491.

Interesting facts

Basic properties

Name

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

Notation

Scientific notation 2.155491 × 10^6
Engineering notation 2.155491 × 10^6

Prime Factorization of 2155491

Prime Factorization 117 × 9 × 23 × 89

Composite number
ω Distinct Factors 4
Total number of distinct prime factors
Ω Total Factors 4
Total number of prime factors
rad Radical 2155491
Product of the distinct prime numbers

The prime factorization of 2155491 is 117 × 9 × 23 × 89. Since it has a total of 4 prime factors.

Most popular turbo-numbers

Basic calculations (n = 2155491)

Multiplication

n×y
n×2 4310982
n×3 6466473
n×4 8621964
n×5 10777455

Division

n÷y
n÷2 1077745.5
n÷3 718497
n÷3 538872.75
n÷5 431098.2

Exponentiation

ny
n2 4646141451081
n3 1.0014716082532E+19
n4 2.1586630383453E+25
n5 4.652978751186E+31

Nth Root

y√n
2√n 1468.1590513292
3√n 129.17607109235
4√n 38.31656366807
5√n 18.480309604419

Divisors of 2155491

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 -2155490
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 2155491 can be divided by 16 positive divisors. The sum of these divisors (counting 2155491) is 1, the average is 0.0625.

Base conversion 2155491

Base System Value
2 Binary 1000001110001111100011
3 Ternary 11001111210000
4 Quaternary 20032033203
5 Quinary 1022433431
6 Senary 114111043
8 Octal 10161743
10 Decimal 2155491
12 Duodecimal 87b483
16 Hexadecimal 20e3e3
20 Vigesimal d98eb
36 Base36 1a76r

Cryptographic Hash Functions

md5 b87f3f08f289f0f072efd5e6fedcfab7
sha1 02993b526e33c62b617ab6753ce3a500e15bd305
sha256 877c1d1cab5c0ed09856ddae23689dce680df2ff056edaa69973181404c0a861
sha512 60e2d7eb0b21f83dbe7c2b2663752d75bfa9849667c76d5e1b7faee6fc3796b2b470552c00086589f57bf2e17743e888d9ff06ec74aa2bf17a0b58968254599a
ripemd-160 46f3eb982923e7d74f29186b0ad5ee8f589fca9e

2155491 as geometric shapes

Circle

Radius = n
Diameter 4310982
Circumference 13543349.380958
Area 14596283850255

Sphere

Radius = n
Volume 4.1949544630227E+19
Surface area 58385135401020
Circumference 13543349.380958

Square

Length = n
Perimeter 8621964
Area 4646141451081
Diagonal 3048324.6057731

Cube

Length = n
Surface area 27876848706486
Volume 1.0014716082532E+19
Space diagonal 3733419.9272574

Equilateral Triangle

Length = n
Perimeter 6466473
Area 2011838263106
Altitude 1866709.9636287

Triangular Pyramid

Length = n
Surface area 2011838263106
Volume 1.1802456089361E+18
Height 1016108.2019244