1991844 (number)

1991844 is an even 7-digits composite number following 1991843 and preceding 1991845. In scientific notation, it is written as 1.991844 × 10^6. The sum of its digits is 36. It has a total of 4 prime factors and 12 positive divisors. There are 663912 positive integers (up to 1991844) that are relatively prime to 1991844.

Interesting facts

Basic properties

Name

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

Notation

Scientific notation 1.991844 × 10^6
Engineering notation 1.991844 × 10^6

Prime Factorization of 1991844

Prime Factorization 2 × 2 × 27 × 18443

Composite number
ω Distinct Factors 3
Total number of distinct prime factors
Ω Total Factors 4
Total number of prime factors
rad Radical 995922
Product of the distinct prime numbers

The prime factorization of 1991844 is 2 × 2 × 27 × 18443. Since it has a total of 4 prime factors.

Most popular turbo-numbers

Basic calculations (n = 1991844)

Multiplication

n×y
n×2 3983688
n×3 5975532
n×4 7967376
n×5 9959220

Division

n÷y
n÷2 995922
n÷3 663948
n÷3 497961
n÷5 398368.8

Exponentiation

ny
n2 3967442520336
n3 7902526579476139584
n4 1.574060015217E+25
n5 3.1352819969499E+31

Nth Root

y√n
2√n 1411.3270350985
3√n 125.82060638598
4√n 37.567632812017
5√n 18.190769228279

Divisors of 1991844

12 divisors

τ Total Divisors 12
Total number of the positive divisors of n
σ Sum of Divisors 1
Sum of all the positive divisors of n
s Aliquot Sum -1991843
Sum of the proper positive divisors of n
A Arithmetic Mean 0.083333333333333
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 12
Returns the total number of divisors (τ(n)) divided by the sum of the reciprocal of each divisors

The number 1991844 can be divided by 12 positive divisors. The sum of these divisors (counting 1991844) is 1, the average is 0.083333333333333.

Base conversion 1991844

Base System Value
2 Binary 111100110010010100100
3 Ternary 10202012022000
4 Quaternary 13212102210
5 Quinary 1002214334
6 Senary 110405300
8 Octal 7462244
10 Decimal 1991844
12 Duodecimal 800830
16 Hexadecimal 1e64a4
20 Vigesimal c8jc4
36 Base36 16ox0

Cryptographic Hash Functions

md5 ab189315ce61e323f71cca7094f72fc6
sha1 ff36c799f6441f1caf78b01392b8c9bee1011f58
sha256 3e89c08e5c91bdfc543f140e842020d535076ce270840137d81094099c660d0e
sha512 96b7e3f05563dc9900f94f51b46de08c8ff1ae4ce5894961b8f3e6a3d611ac553aff8d090a82007e5b3f6edd788ea6b381128fd1836298dc69ce5d2db9f5d24c
ripemd-160 0a81653d0df60d729625f2c2389632c9bef02bce

1991844 as geometric shapes

Circle

Radius = n
Diameter 3983688
Circumference 12515124.954994
Area 12464088275427

Sphere

Radius = n
Volume 3.3102025929174E+19
Surface area 49856353101709
Circumference 12515124.954994

Square

Length = n
Perimeter 7967376
Area 3967442520336
Diagonal 2816892.7989315

Cube

Length = n
Surface area 23804655122016
Volume 7902526579476139584
Space diagonal 3449975.0087512

Equilateral Triangle

Length = n
Perimeter 5975532
Area 1717953005332.8
Altitude 1724987.5043756

Triangular Pyramid

Length = n
Surface area 1717953005332.8
Volume 9.3132168880909E+17
Height 938964.26631049