1981738 (number)

1981738 is an even 7-digits composite number following 1981737 and preceding 1981739. In scientific notation, it is written as 1.981738 × 10^6. The sum of its digits is 37. It has a total of 5 prime factors and 24 positive divisors. There are 851400 positive integers (up to 1981738) that are relatively prime to 1981738.

Interesting facts

Basic properties

Name

Name one million nine hundred eighty-one thousand seven hundred thirty-eight

Notation

Scientific notation 1.981738 × 10^6
Engineering notation 1.981738 × 10^6

Prime Factorization of 1981738

Prime Factorization 2 × 11 × 11 × 19 × 431

Composite number
ω Distinct Factors 4
Total number of distinct prime factors
Ω Total Factors 5
Total number of prime factors
rad Radical 180158
Product of the distinct prime numbers

The prime factorization of 1981738 is 2 × 11 × 11 × 19 × 431. Since it has a total of 5 prime factors.

Most popular turbo-numbers

5, 5, 61, 18, 292, 514, 4423, 9581, 68199, 71145, 848804, 268341, 2305672, 9668220, 58161214, 90421272, 676027599, 782841903, 2679580591, 594701247

Basic calculations (n = 1981738)

Multiplication

n×y
n×2 3963476
n×3 5945214
n×4 7926952
n×5 9908690

Division

n÷y
n÷2 990869
n÷3 660579.33333333
n÷3 495434.5
n÷5 396347.6

Exponentiation

ny
n2 3927285500644
n3 7782850913475239272
n4 1.5423571403569E+25
n5 3.0565477546165E+31

Nth Root

y√n
2√n 1407.7421638922
3√n 125.60745388303
4√n 37.519890243606
5√n 18.17227278536

Divisors of 1981738

1, 2, 11, 19, 22, 38, 121, 209, 242, 418, 431, 862, 2299, 4598, 4741, 8189, 9482, 16378, 52151, 90079, 104302, 180158, 990869, 1981738

24 divisors

τ Total Divisors 24
Total number of the positive divisors of n
σ Sum of Divisors 1
Sum of all the positive divisors of n
s Aliquot Sum -1981737
Sum of the proper positive divisors of n
A Arithmetic Mean 0.041666666666667
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 24
Returns the total number of divisors (τ(n)) divided by the sum of the reciprocal of each divisors

The number 1981738 can be divided by 24 positive divisors. The sum of these divisors (counting 1981738) is 1, the average is 0.041666666666667.

Base conversion 1981738

Base System Value
2 Binary 111100011110100101010
3 Ternary 10201200102201
4 Quaternary 13203310222
5 Quinary 1001403423
6 Senary 110250414
8 Octal 7436452
10 Decimal 1981738
12 Duodecimal 7b6a0a
16 Hexadecimal 1e3d2a
20 Vigesimal c7e6i
36 Base36 16h4a

Cryptographic Hash Functions

md5 1704c4d2b1da8c61ab264f635251b332
sha1 0ec2f817fa4d2b7d7f627c2d56edf994dba33ad0
sha256 19136e5b2cd2c2316b38af760527c92529043857c6fc5b8c1d61f4c0b34384cf
sha512 c8e0ced881437658b9d8c2aa0a5bfc49182dba563168cffb17af5a4d2073becc313c65dc1ec30426af533edf2ab84edf27a5a3eb9cbebfeafb67d5b3dde71a23
ripemd-160 9224457fa71da15ac6c81d9d1d98f7c5f0345dba

1981738 as geometric shapes

Circle

Radius = n
Diameter 3963476
Circumference 12451627.084279
Area 12337931277373

Sphere

Radius = n
Volume 3.2600729671678E+19
Surface area 49351725109492
Circumference 12451627.084279

Square

Length = n
Perimeter 7926952
Area 3927285500644
Diagonal 2802600.7566701

Cube

Length = n
Surface area 23563713003864
Volume 7782850913475239272
Space diagonal 3432470.9032899

Equilateral Triangle

Length = n
Perimeter 5945214
Area 1700564505736
Altitude 1716235.451645

Triangular Pyramid

Length = n
Surface area 1700564505736
Volume 9.1721777631371E+17
Height 934200.25222338