1656 (number)

1656 is an even 4-digits composite number following 1655 and preceding 1657. In scientific notation, it is written as 1.656 × 10^3. The sum of its digits is 18. It has a total of 5 prime factors and 16 positive divisors. There are 528 positive integers (up to 1656) that are relatively prime to 1656.

Interesting facts

Basic properties

Name

Name one thousand six hundred fifty-six

Notation

Scientific notation 1.656 × 10^3
Engineering notation 1.656 × 10^3

Prime Factorization of 1656

Prime Factorization 2 × 2 × 2 × 9 × 23

Composite number
ω Distinct Factors 3
Total number of distinct prime factors
Ω Total Factors 5
Total number of prime factors
rad Radical 414
Product of the distinct prime numbers

The prime factorization of 1656 is 2 × 2 × 2 × 9 × 23. Since it has a total of 5 prime factors.

Most popular turbo-numbers

Basic calculations (n = 1656)

Multiplication

n×y
n×2 3312
n×3 4968
n×4 6624
n×5 8280

Division

n÷y
n÷2 828
n÷3 552
n÷3 414
n÷5 331.2

Exponentiation

ny
n2 2742336
n3 4541308416
n4 7520406736896
n5 12453793556299776

Nth Root

y√n
2√n 40.693979898752
3√n 11.830963399401
4√n 6.3791833253757
5√n 4.4036426216595

Divisors of 1656

1, 2, 4, 8, 9, 18, 23, 36, 46, 72, 92, 184, 207, 414, 828, 1656

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 -1655
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 1656 can be divided by 16 positive divisors. The sum of these divisors (counting 1656) is 1, the average is 0.0625.

Base conversion 1656

Base System Value
2 Binary 11001111000
3 Ternary 2021100
4 Quaternary 121320
5 Quinary 23111
6 Senary 11400
8 Octal 3170
10 Decimal 1656
12 Duodecimal b60
16 Hexadecimal 678
20 Vigesimal 42g
36 Base36 1a0

Cryptographic Hash Functions

md5 712a3c9878efeae8ff06d57432016ceb
sha1 7fd0dc28db1b5252f0aca04247cf21853f772e70
sha256 681d12400213531e5fdef04c597ac192d359c2d0351df6f22f0240134d873350
sha512 ff2b49d3c31ae6428b7477bc6b59d786e0902aa4758ac5b3c9c86d96fcf564bd473bc5a8778cd6fab9c2387a487d93bc5afe8a246af0affb45ed7c5e3acda95b
ripemd-160 2b04bd7130532df5a1bde7f64d94718926ca4947

1656 as geometric shapes

Circle

Radius = n
Diameter 3312
Circumference 10404.954868689
Area 8615302.6312748

Sphere

Radius = n
Volume 19022588209.855
Surface area 34461210.525099
Circumference 10404.954868689

Square

Length = n
Perimeter 6624
Area 2742336
Diagonal 2341.9376592898

Cube

Length = n
Surface area 16454016
Volume 4541308416
Space diagonal 2868.2761373341

Equilateral Triangle

Length = n
Perimeter 4968
Area 1187466.3208563
Altitude 1434.138068667

Triangular Pyramid

Length = n
Surface area 1187466.3208563
Volume 535198329.40219
Height 780.64588642995