1981749488 (number)

1981749488 is an even 10-digits composite number following 1981749487 and preceding 1981749489. In scientific notation, it is written as 1.981749488 × 10^9. The sum of its digits is 59. It has a total of 6 prime factors and 20 positive divisors. There are 990167040 positive integers (up to 1981749488) that are relatively prime to 1981749488.

Interesting facts

Basic properties

Name

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

Notation

Scientific notation 1.981749488 × 10^9
Engineering notation 1.981749488 × 10^9

Prime Factorization of 1981749488

Prime Factorization 2 × 2 × 2 × 2 × 1423 × 87041

Composite number
ω Distinct Factors 3
Total number of distinct prime factors
Ω Total Factors 6
Total number of prime factors
rad Radical 247718686
Product of the distinct prime numbers

The prime factorization of 1981749488 is 2 × 2 × 2 × 2 × 1423 × 87041. Since it has a total of 6 prime factors.

Most popular turbo-numbers

Basic calculations (n = 1981749488)

Multiplication

n×y
n×2 3963498976
n×3 5945248464
n×4 7926997952
n×5 9908747440

Division

n÷y
n÷2 990874744
n÷3 660583162.66667
n÷3 495437372
n÷5 396349897.6

Exponentiation

ny
n2 3927331033188262144
n3 7.7829862642273E+27
n4 1.5423929044244E+37
n5 3.0566363486378E+46

Nth Root

y√n
2√n 44516.844991531
3√n 1256.0769659517
4√n 210.99015377863
5√n 72.345204886811

Divisors of 1981749488

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 -1981749487
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 1981749488 can be divided by 20 positive divisors. The sum of these divisors (counting 1981749488) is 1, the average is 0.05.

Base conversion 1981749488

Base System Value
2 Binary 1110110000111110001100011110000
3 Ternary 12010010000022020012
4 Quaternary 1312013301203300
5 Quinary 13024311440423
6 Senary 524351434052
8 Octal 16607614360
10 Decimal 1981749488
12 Duodecimal 473825928
16 Hexadecimal 761f18f0
20 Vigesimal 1aj5ide8
36 Base36 wrvrow

Cryptographic Hash Functions

md5 f2685151d03a2d6487a69fd4f87acd37
sha1 6b9ba7fa784595d5895e172e97bcd64383edef0a
sha256 2566f6b64812529b67b8274cc99b796b4e66d4cc08940e94faca0034456ff699
sha512 d3b0e9d0879191afa80faf4d1045628658397a105caeae22eca07b2ec2ed3a6064500bde246c5c32bac0db803cef68257db3c1279ab45fcaceccf9e2d3df3b39
ripemd-160 3fc3fbbb7f6b44ed46567a46db44dd442917fb64

1981749488 as geometric shapes

Circle

Radius = n
Diameter 3963498976
Circumference 12451699265.512
Area 1.2338074322079E+19

Sphere

Radius = n
Volume 3.2601296627583E+28
Surface area 4.9352297288318E+19
Circumference 12451699265.512

Square

Length = n
Perimeter 7926997952
Area 3927331033188262144
Diagonal 2802617003.1555

Cube

Length = n
Surface area 2.356398619913E+19
Volume 7.7829862642273E+27
Space diagonal 3432490801.0896

Equilateral Triangle

Length = n
Perimeter 5945248464
Area 1.700584221906E+18
Altitude 1716245400.5448

Triangular Pyramid

Length = n
Surface area 1.700584221906E+18
Volume 9.1723372755282E+26
Height 934205667.71851