1981806 (number)

1981806 is an even 7-digits composite number following 1981805 and preceding 1981807. In scientific notation, it is written as 1.981806 × 10^6. The sum of its digits is 33. It has a total of 4 prime factors and 16 positive divisors. There are 658304 positive integers (up to 1981806) that are relatively prime to 1981806.

Interesting facts

Basic properties

Name

Name one million nine hundred eighty-one thousand eight hundred six

Notation

Scientific notation 1.981806 × 10^6
Engineering notation 1.981806 × 10^6

Prime Factorization of 1981806

Prime Factorization 2 × 3 × 593 × 557

Composite number
ω Distinct Factors 4
Total number of distinct prime factors
Ω Total Factors 4
Total number of prime factors
rad Radical 1981806
Product of the distinct prime numbers

The prime factorization of 1981806 is 2 × 3 × 593 × 557. Since it has a total of 4 prime factors.

Most popular turbo-numbers

7, 1, 69, 39, 410, 710, 5087, 5382, 56838, 10479, 369091, 426387, 3509371, 5620098, 49452574, 20554062, 825681378, 123416788, 237404875, 5393371943

Basic calculations (n = 1981806)

Multiplication

n×y
n×2 3963612
n×3 5945418
n×4 7927224
n×5 9909030

Division

n÷y
n÷2 990903
n÷3 660602
n÷3 495451.5
n÷5 396361.2

Exponentiation

ny
n2 3927555021636
n3 7783652107208354616
n4 1.5425688447978E+25
n5 3.0570721920334E+31

Nth Root

y√n
2√n 1407.7663158351
3√n 125.60889053597
4√n 37.520212097417
5√n 18.172397493832

Divisors of 1981806

1, 2, 3, 6, 557, 593, 1114, 1186, 1671, 1779, 3342, 3558, 330301, 660602, 990903, 1981806

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 -1981805
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 1981806 can be divided by 16 positive divisors. The sum of these divisors (counting 1981806) is 1, the average is 0.0625.

Base conversion 1981806

Base System Value
2 Binary 111100011110101101110
3 Ternary 10201200112020
4 Quaternary 13203311232
5 Quinary 1001404211
6 Senary 110251010
8 Octal 7436556
10 Decimal 1981806
12 Duodecimal 7b6a66
16 Hexadecimal 1e3d6e
20 Vigesimal c7ea6
36 Base36 16h66

Cryptographic Hash Functions

md5 9ccd1d469e1cc5d682975a69d48f400a
sha1 ac19d874616d6166b3bb710a94768fed24e935de
sha256 ad1fea8d93a40cc41bd699b0754b6284b3f9e46d76c7a29cbb0ecfc7c177ab28
sha512 f5b09e30925970f69827917ff3d78df28af77b1fb580c85b12cef379dddd00bbe4d089042d362aea243495e4dee9b40f084cf9e74621a3c6febaac0d51a77f17
ripemd-160 6080f1dfdbd9f007bb23d61276e525af8b3055ba

1981806 as geometric shapes

Circle

Radius = n
Diameter 3963612
Circumference 12452054.34088
Area 12338778002541

Sphere

Radius = n
Volume 3.2604085704139E+19
Surface area 49355112010165
Circumference 12452054.34088

Square

Length = n
Perimeter 7927224
Area 3927555021636
Diagonal 2802696.9231924

Cube

Length = n
Surface area 23565330129816
Volume 7783652107208354616
Space diagonal 3432588.6827448

Equilateral Triangle

Length = n
Perimeter 5945418
Area 1700681211749
Altitude 1716294.3413724

Triangular Pyramid

Length = n
Surface area 1700681211749
Volume 9.1731219790066E+17
Height 934232.30773079