1981008 (number)

1981008 is an even 7-digits composite number following 1981007 and preceding 1981009. In scientific notation, it is written as 1.981008 × 10^6. The sum of its digits is 27. It has a total of 6 prime factors and 20 positive divisors. There are 660288 positive integers (up to 1981008) that are relatively prime to 1981008.

Interesting facts

Basic properties

Name

Name one million nine hundred eighty-one thousand eight

Notation

Scientific notation 1.981008 × 10^6
Engineering notation 1.981008 × 10^6

Prime Factorization of 1981008

Prime Factorization 2 × 2 × 2 × 2 × 9 × 13757

Composite number
ω Distinct Factors 3
Total number of distinct prime factors
Ω Total Factors 6
Total number of prime factors
rad Radical 247626
Product of the distinct prime numbers

The prime factorization of 1981008 is 2 × 2 × 2 × 2 × 9 × 13757. Since it has a total of 6 prime factors.

Most popular turbo-numbers

Basic calculations (n = 1981008)

Multiplication

n×y
n×2 3962016
n×3 5943024
n×4 7924032
n×5 9905040

Division

n÷y
n÷2 990504
n÷3 660336
n÷3 495252
n÷5 396201.6

Exponentiation

ny
n2 3924392696064
n3 7774253326044352512
n4 1.540085803292E+25
n5 3.050922297008E+31

Nth Root

y√n
2√n 1407.4828595759
3√n 125.59202892062
4√n 37.51643452643
5√n 18.170933787549

Divisors of 1981008

20 divisors

τ Total Divisors 20
Total number of the positive divisors of n
σ Sum of Divisors 1
Sum of all the positive divisors of n
s Aliquot Sum -1981007
Sum of the proper positive divisors of n
A Arithmetic Mean 0.05
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 20
Returns the total number of divisors (τ(n)) divided by the sum of the reciprocal of each divisors

The number 1981008 can be divided by 20 positive divisors. The sum of these divisors (counting 1981008) is 1, the average is 0.05.

Base conversion 1981008

Base System Value
2 Binary 111100011101001010000
3 Ternary 10201122102200
4 Quaternary 13203221100
5 Quinary 1001343013
6 Senary 110243200
8 Octal 7435120
10 Decimal 1981008
12 Duodecimal 7b6500
16 Hexadecimal 1e3a50
20 Vigesimal c7ca8
36 Base36 16gk0

Cryptographic Hash Functions

md5 47c2a27990c57e9b3f2d588216272a45
sha1 0ebe6c87d661e4990aa0bcdde551714acc6430d0
sha256 0403ac81647af378111f5e3d177c636a0cfa37b3ab9e04cb1e674b2ab5d5a11f
sha512 8c130c512a795f76e83ddd434eb899530e842830d93bf2822969a9772bd81d8debab0e7314ae51d24536db9590e3826768d4633b68e3159cf575defdb522cae7
ripemd-160 7d2a25e183b9a0311167d1a15114f8da57623e28

1981008 as geometric shapes

Circle

Radius = n
Diameter 3962016
Circumference 12447040.359005
Area 12328843263756

Sphere

Radius = n
Volume 3.2564716181663E+19
Surface area 49315373055024
Circumference 12447040.359005

Square

Length = n
Perimeter 7924032
Area 3924392696064
Diagonal 2801568.3807696

Cube

Length = n
Surface area 23546356176384
Volume 7774253326044352512
Space diagonal 3431206.5062004

Equilateral Triangle

Length = n
Perimeter 5943024
Area 1699311884608.8
Altitude 1715603.2531002

Triangular Pyramid

Length = n
Surface area 1699311884608.8
Volume 9.1620454091801E+17
Height 933856.1269232