1981889 (number)

1981889 is an odd 7-digits composite number following 1981888 and preceding 1981890. In scientific notation, it is written as 1.981889 × 10^6. The sum of its digits is 44. It has a total of 4 prime factors and 16 positive divisors. There are 1512000 positive integers (up to 1981889) that are relatively prime to 1981889.

Interesting facts

Basic properties

Name

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

Notation

Scientific notation 1.981889 × 10^6
Engineering notation 1.981889 × 10^6

Prime Factorization of 1981889

Prime Factorization 7 × 13 × 29 × 751

Composite number
ω Distinct Factors 4
Total number of distinct prime factors
Ω Total Factors 4
Total number of prime factors
rad Radical 1981889
Product of the distinct prime numbers

The prime factorization of 1981889 is 7 × 13 × 29 × 751. Since it has a total of 4 prime factors.

Most popular turbo-numbers

Basic calculations (n = 1981889)

Multiplication

n×y
n×2 3963778
n×3 5945667
n×4 7927556
n×5 9909445

Division

n÷y
n÷2 990944.5
n÷3 660629.66666667
n÷3 495472.25
n÷5 396377.8

Exponentiation

ny
n2 3927884008321
n3 7784630109367298369
n4 1.5428272782824E+25
n5 3.0577124117278E+31

Nth Root

y√n
2√n 1407.7957948509
3√n 125.61064405311
4√n 37.520604937167
5√n 18.172549706886

Divisors of 1981889

16 divisors

τ Total Divisors 16
Total number of the positive divisors of n
σ Sum of Divisors 1
Sum of all the positive divisors of n
s Aliquot Sum -1981888
Sum of the proper positive divisors of n
A Arithmetic Mean 0.0625
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 16
Returns the total number of divisors (τ(n)) divided by the sum of the reciprocal of each divisors

The number 1981889 can be divided by 16 positive divisors. The sum of these divisors (counting 1981889) is 1, the average is 0.0625.

Base conversion 1981889

Base System Value
2 Binary 111100011110111000001
3 Ternary 10201200122022
4 Quaternary 13203313001
5 Quinary 1001410024
6 Senary 110251225
8 Octal 7436701
10 Decimal 1981889
12 Duodecimal 7b6b15
16 Hexadecimal 1e3dc1
20 Vigesimal c7ee9
36 Base36 16h8h

Cryptographic Hash Functions

md5 59493b02edbded3ebe9fa327dab0e391
sha1 746b29bb7854a461047f50a55203f5cba8100ba6
sha256 44cf1bec769ddee74f8d3e288193cfa7944a67a0bfba59fb85f5353337fb5eba
sha512 862ae0eb458189acfe03245348cff677b5750697fa7ca0812ad1d7618fc6fcfc7749db6f04042e440b713f7a1a422ae000994bbd955d53cbd4fffcf02c43dcdb
ripemd-160 7ce6c3728e228e0c765e819326d77c8b06d3accf

1981889 as geometric shapes

Circle

Radius = n
Diameter 3963778
Circumference 12452575.845261
Area 12339811544694

Sphere

Radius = n
Volume 3.2608182350003E+19
Surface area 49359246178776
Circumference 12452575.845261

Square

Length = n
Perimeter 7927556
Area 3927884008321
Diagonal 2802814.3029181

Cube

Length = n
Surface area 23567304049926
Volume 7784630109367298369
Space diagonal 3432732.4429619

Equilateral Triangle

Length = n
Perimeter 5945667
Area 1700823667162.3
Altitude 1716366.2214809

Triangular Pyramid

Length = n
Surface area 1700823667162.3
Volume 9.1742745656043E+17
Height 934271.43430602