1991488 (number)

1991488 is an even 7-digits composite number following 1991487 and preceding 1991489. In scientific notation, it is written as 1.991488 × 10^6. The sum of its digits is 40. It has a total of 8 prime factors and 28 positive divisors. There are 935424 positive integers (up to 1991488) that are relatively prime to 1991488.

Interesting facts

Basic properties

Name

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

Notation

Scientific notation 1.991488 × 10^6
Engineering notation 1.991488 × 10^6

Prime Factorization of 1991488

Prime Factorization 2 × 2 × 2 × 2 × 2 × 2 × 841 × 37

Composite number
ω Distinct Factors 3
Total number of distinct prime factors
Ω Total Factors 8
Total number of prime factors
rad Radical 62234
Product of the distinct prime numbers

The prime factorization of 1991488 is 2 × 2 × 2 × 2 × 2 × 2 × 841 × 37. Since it has a total of 8 prime factors.

Most popular turbo-numbers

6, 1, 79, 26, 330, 94, 4828, 59, 60277, 4438, 417482, 828443, 5555357, 9560032, 33706399, 15347626, 575244178, 142581475, 7146718703, 2175458914

Basic calculations (n = 1991488)

Multiplication

n×y
n×2 3982976
n×3 5974464
n×4 7965952
n×5 9957440

Division

n÷y
n÷2 995744
n÷3 663829.33333333
n÷3 497872
n÷5 398297.6

Exponentiation

ny
n2 3966024454144
n3 7898290108134326272
n4 1.5729349970868E+25
n5 3.1324811714784E+31

Nth Root

y√n
2√n 1411.2009070292
3√n 125.81311001499
4√n 37.565954094488
5√n 18.190118938711

Divisors of 1991488

1, 2, 4, 8, 16, 32, 37, 64, 74, 148, 296, 592, 841, 1184, 1682, 2368, 3364, 6728, 13456, 26912, 31117, 53824, 62234, 124468, 248936, 497872, 995744, 1991488

28 divisors

τ Total Divisors 28
Total number of the positive divisors of n
σ Sum of Divisors 1
Sum of all the positive divisors of n
s Aliquot Sum -1991487
Sum of the proper positive divisors of n
A Arithmetic Mean 0.035714285714286
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 28
Returns the total number of divisors (τ(n)) divided by the sum of the reciprocal of each divisors

The number 1991488 can be divided by 28 positive divisors. The sum of these divisors (counting 1991488) is 1, the average is 0.035714285714286.

Base conversion 1991488

Base System Value
2 Binary 111100110001101000000
3 Ternary 10202011210211
4 Quaternary 13212031000
5 Quinary 1002211423
6 Senary 110403504
8 Octal 7461500
10 Decimal 1991488
12 Duodecimal 800594
16 Hexadecimal 1e6340
20 Vigesimal c8ie8
36 Base36 16on4

Cryptographic Hash Functions

md5 41b63b21b912d4fb343a2f74493e11cb
sha1 0f5a55e4d48e9ccc7ea0858b64c547bb561f7421
sha256 111d846427c7ab2d320374e24f70495d0f5b64a1aa54a85a05aa092c06455547
sha512 914bb14c1bf9c8fd3ea1cc4c3cec982c731c17193fa61eea750216693a10338783380a2b74e1bccb823980088e2e0a6904075a1252a51f8ebc647977347437ba
ripemd-160 4470268a109b74b75e8e55f6c7dff8f462245ee3

1991488 as geometric shapes

Circle

Radius = n
Diameter 3982976
Circumference 12512888.141024
Area 12459633289096

Sphere

Radius = n
Volume 3.3084280239514E+19
Surface area 49838533156385
Circumference 12512888.141024

Square

Length = n
Perimeter 7965952
Area 3966024454144
Diagonal 2816389.3389033

Cube

Length = n
Surface area 23796146724864
Volume 7898290108134326272
Space diagonal 3449358.3986637

Equilateral Triangle

Length = n
Perimeter 5974464
Area 1717338964659.5
Altitude 1724679.1993319

Triangular Pyramid

Length = n
Surface area 1717338964659.5
Volume 9.308224158734E+17
Height 938796.44630109