1981844 (number)

1981844 is an even 7-digits composite number following 1981843 and preceding 1981845. In scientific notation, it is written as 1.981844 × 10^6. The sum of its digits is 35. It has a total of 3 prime factors and 6 positive divisors. There are 990920 positive integers (up to 1981844) that are relatively prime to 1981844.

Interesting facts

Basic properties

Name

Name one million nine hundred eighty-one thousand eight hundred forty-four

Notation

Scientific notation 1.981844 × 10^6
Engineering notation 1.981844 × 10^6

Prime Factorization of 1981844

Prime Factorization 2 × 2 × 495461

Composite number
ω Distinct Factors 2
Total number of distinct prime factors
Ω Total Factors 3
Total number of prime factors
rad Radical 990922
Product of the distinct prime numbers

The prime factorization of 1981844 is 2 × 2 × 495461. Since it has a total of 3 prime factors.

Most popular turbo-numbers

Basic calculations (n = 1981844)

Multiplication

n×y
n×2 3963688
n×3 5945532
n×4 7927376
n×5 9909220

Division

n÷y
n÷2 990922
n÷3 660614.66666667
n÷3 495461
n÷5 396368.8

Exponentiation

ny
n2 3927705640336
n3 7784099857066059584
n4 1.5426871597127E+25
n5 3.0573652913537E+31

Nth Root

y√n
2√n 1407.7798123286
3√n 125.60969335712
4√n 37.520391953291
5√n 18.172467182369

Divisors of 1981844

6 divisors

τ Total Divisors 6
Total number of the positive divisors of n
σ Sum of Divisors 1
Sum of all the positive divisors of n
s Aliquot Sum -1981843
Sum of the proper positive divisors of n
A Arithmetic Mean 0.16666666666667
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 6
Returns the total number of divisors (τ(n)) divided by the sum of the reciprocal of each divisors

The number 1981844 can be divided by 6 positive divisors. The sum of these divisors (counting 1981844) is 1, the average is 0.16666666666667.

Base conversion 1981844

Base System Value
2 Binary 111100011110110010100
3 Ternary 10201200120122
4 Quaternary 13203312110
5 Quinary 1001404334
6 Senary 110251112
8 Octal 7436624
10 Decimal 1981844
12 Duodecimal 7b6a98
16 Hexadecimal 1e3d94
20 Vigesimal c7ec4
36 Base36 16h78

Cryptographic Hash Functions

md5 4b0c436d4efed91b0761d24c4e479f55
sha1 6ec5f299cb1482d21dd33598730e672cf17c64b2
sha256 b2a1c2ec4634b4298933f4b52ca9f3d25f209735ae615952d260092e1e44585e
sha512 66675ecc3683a2c11b4d557e573badcce9710912dadd2587f20c26160809e4f4bbf5e677313adc65dcbbfab73df9bb1454613673938faea3d014c7f82b066e34
ripemd-160 8ed12743fa342a9186964578c0aa6582784d40b7

1981844 as geometric shapes

Circle

Radius = n
Diameter 3963688
Circumference 12452293.101922
Area 12339251185143

Sphere

Radius = n
Volume 3.2605961234357E+19
Surface area 49357004740571
Circumference 12452293.101922

Square

Length = n
Perimeter 7927376
Area 3927705640336
Diagonal 2802750.6633077

Cube

Length = n
Surface area 23566233842016
Volume 7784099857066059584
Space diagonal 3432654.5006755

Equilateral Triangle

Length = n
Perimeter 5945532
Area 1700746431559.2
Altitude 1716327.2503378

Triangular Pyramid

Length = n
Surface area 1700746431559.2
Volume 9.1736496572744E+17
Height 934250.22110258