1991444 (number)

1991444 is an even 7-digits composite number following 1991443 and preceding 1991445. In scientific notation, it is written as 1.991444 × 10^6. The sum of its digits is 32. It has a total of 4 prime factors and 12 positive divisors. There are 787680 positive integers (up to 1991444) that are relatively prime to 1991444.

Interesting facts

Basic properties

Name

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

Notation

Scientific notation 1.991444 × 10^6
Engineering notation 1.991444 × 10^6

Prime Factorization of 1991444

Prime Factorization 2 × 2 × 91 × 5471

Composite number
ω Distinct Factors 3
Total number of distinct prime factors
Ω Total Factors 4
Total number of prime factors
rad Radical 995722
Product of the distinct prime numbers

The prime factorization of 1991444 is 2 × 2 × 91 × 5471. Since it has a total of 4 prime factors.

Most popular turbo-numbers

Basic calculations (n = 1991444)

Multiplication

n×y
n×2 3982888
n×3 5974332
n×4 7965776
n×5 9957220

Division

n÷y
n÷2 995722
n÷3 663814.66666667
n÷3 497861
n÷5 398288.8

Exponentiation

ny
n2 3965849205136
n3 7897766604472856384
n4 1.5727959917878E+25
n5 3.1321351410698E+31

Nth Root

y√n
2√n 1411.1853173839
3√n 125.8121834352
4√n 37.565746596919
5√n 18.190038559386

Divisors of 1991444

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 -1991443
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 1991444 can be divided by 12 positive divisors. The sum of these divisors (counting 1991444) is 1, the average is 0.083333333333333.

Base conversion 1991444

Base System Value
2 Binary 111100110001100010100
3 Ternary 10202011202012
4 Quaternary 13212030110
5 Quinary 1002211234
6 Senary 110403352
8 Octal 7461424
10 Decimal 1991444
12 Duodecimal 800558
16 Hexadecimal 1e6314
20 Vigesimal c8ic4
36 Base36 16olw

Cryptographic Hash Functions

md5 e1a95a4c23274b12e5142735d9314ad9
sha1 5b0124d0becc06bb7b264400d47322cd5fe4b516
sha256 971b5a050a8ad1c55e1ef5c87b61d6ff8091fb2215c61d5170facedf5891bb1b
sha512 a807d752302da2f3e361bfd27a0b881c35d88a83719dd2a48db677ae5153b99ea33cc1b4849cc9a33333293eb326f3ee5a722a7cae5d6708722ec817bebbad82
ripemd-160 b13a93f33b93d3c4fedb15bf98bb1911e759cd1d

1991444 as geometric shapes

Circle

Radius = n
Diameter 3982888
Circumference 12512611.680871
Area 12459082728100

Sphere

Radius = n
Volume 3.3082087392505E+19
Surface area 49836330912401
Circumference 12512611.680871

Square

Length = n
Perimeter 7965776
Area 3965849205136
Diagonal 2816327.1135065

Cube

Length = n
Surface area 23795095230816
Volume 7897766604472856384
Space diagonal 3449282.1884282

Equilateral Triangle

Length = n
Perimeter 5974332
Area 1717263079613
Altitude 1724641.0942141

Triangular Pyramid

Length = n
Surface area 1717263079613
Volume 9.3076072037524E+17
Height 938775.70450218