2155890 (number)

2155890 is an even 7-digits composite number following 2155889 and preceding 2155891. In scientific notation, it is written as 2.155890 × 10^6. The sum of its digits is 30. It has a total of 5 prime factors and 32 positive divisors. There are 507840 positive integers (up to 2155890) that are relatively prime to 2155890.

Interesting facts

Basic properties

Name

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

Notation

Scientific notation 2.155890 × 10^6
Engineering notation 2.155890 × 10^6

Prime Factorization of 2155890

Prime Factorization 2 × 33 × 5 × 139 × 47

Composite number
ω Distinct Factors 5
Total number of distinct prime factors
Ω Total Factors 5
Total number of prime factors
rad Radical 2155890
Product of the distinct prime numbers

The prime factorization of 2155890 is 2 × 33 × 5 × 139 × 47. Since it has a total of 5 prime factors.

Most popular turbo-numbers

9, 6, 64, 38, 628, 818, 9295, 1796, 42899, 3372, 323347, 32092, 2946095, 4968968, 17325610, 20747240, 770378278, 230959635, 5005115254, 3471346731

Basic calculations (n = 2155890)

Multiplication

n×y
n×2 4311780
n×3 6467670
n×4 8623560
n×5 10779450

Division

n÷y
n÷2 1077945
n÷3 718630
n÷3 538972.5
n÷5 431178

Exponentiation

ny
n2 4647861692100
n3 1.0020278543381E+19
n4 2.1602618308891E+25
n5 4.6572868785954E+31

Nth Root

y√n
2√n 1468.2949295016
3√n 129.18404113605
4√n 38.31833672671
5√n 18.480993726748

Divisors of 2155890

1, 2, 5, 10, 33, 47, 66, 94, 139, 165, 235, 278, 330, 470, 695, 1390, 1551, 3102, 4587, 6533, 7755, 9174, 13066, 15510, 22935, 32665, 45870, 65330, 215589, 431178, 1077945, 2155890

32 divisors

τ Total Divisors 32
Total number of the positive divisors of n
σ Sum of Divisors 1
Sum of all the positive divisors of n
s Aliquot Sum -2155889
Sum of the proper positive divisors of n
A Arithmetic Mean 0.03125
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 32
Returns the total number of divisors (τ(n)) divided by the sum of the reciprocal of each divisors

The number 2155890 can be divided by 32 positive divisors. The sum of these divisors (counting 2155890) is 1, the average is 0.03125.

Base conversion 2155890

Base System Value
2 Binary 1000001110010101110010
3 Ternary 11001112022210
4 Quaternary 20032111302
5 Quinary 1022442030
6 Senary 114112550
8 Octal 10162562
10 Decimal 2155890
12 Duodecimal 87b756
16 Hexadecimal 20e572
20 Vigesimal d99ea
36 Base36 1a7hu

Cryptographic Hash Functions

md5 afe2d8f0669b9ae1c202c718d44131ab
sha1 5f03c3c22ad6f3ca19e2b9dd37b32bc8edc40ff8
sha256 319903adafbb8528426c1d74344abb878989e905620e826a966be4508575fc10
sha512 6a4d145561cc62b6e586f434d0ae881a04ac63fa017de59780bf503ecb40e31b0b8e158bbc4e14853a06dae9674efb4f4fde947092165ccca234a4a4e32368eb
ripemd-160 6ffff6ba4b24d2c747dc7f13e0531fd0499ee74a

2155890 as geometric shapes

Circle

Radius = n
Diameter 4311780
Circumference 13545856.371895
Area 14601688146803

Sphere

Radius = n
Volume 4.1972844611748E+19
Surface area 58406752587211
Circumference 13545856.371895

Square

Length = n
Perimeter 8623560
Area 4647861692100
Diagonal 3048888.8769845

Cube

Length = n
Surface area 27887170152600
Volume 1.0020278543381E+19
Space diagonal 3734111.0155297

Equilateral Triangle

Length = n
Perimeter 6467670
Area 2012583149317.6
Altitude 1867055.5077648

Triangular Pyramid

Length = n
Surface area 2012583149317.6
Volume 1.1809011512338E+18
Height 1016296.2923282