1981898 (number)

1981898 is an even 7-digits composite number following 1981897 and preceding 1981899. In scientific notation, it is written as 1.981898 × 10^6. The sum of its digits is 44. It has a total of 3 prime factors and 8 positive divisors. There are 986464 positive integers (up to 1981898) that are relatively prime to 1981898.

Interesting facts

Basic properties

Name

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

Notation

Scientific notation 1.981898 × 10^6
Engineering notation 1.981898 × 10^6

Prime Factorization of 1981898

Prime Factorization 2 × 233 × 4253

Composite number
ω Distinct Factors 3
Total number of distinct prime factors
Ω Total Factors 3
Total number of prime factors
rad Radical 1981898
Product of the distinct prime numbers

The prime factorization of 1981898 is 2 × 233 × 4253. Since it has a total of 3 prime factors.

Most popular turbo-numbers

Basic calculations (n = 1981898)

Multiplication

n×y
n×2 3963796
n×3 5945694
n×4 7927592
n×5 9909490

Division

n÷y
n÷2 990949
n÷3 660632.66666667
n÷3 495474.5
n÷5 396379.6

Exponentiation

ny
n2 3927919682404
n3 7784736162717122792
n4 1.5428553031417E+25
n5 3.0577818395859E+31

Nth Root

y√n
2√n 1407.7989913336
3√n 125.61083419058
4√n 37.520647533507
5√n 18.17256621161

Divisors of 1981898

8 divisors

τ Total Divisors 8
Total number of the positive divisors of n
σ Sum of Divisors 1
Sum of all the positive divisors of n
s Aliquot Sum -1981897
Sum of the proper positive divisors of n
A Arithmetic Mean 0.125
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 8
Returns the total number of divisors (τ(n)) divided by the sum of the reciprocal of each divisors

The number 1981898 can be divided by 8 positive divisors. The sum of these divisors (counting 1981898) is 1, the average is 0.125.

Base conversion 1981898

Base System Value
2 Binary 111100011110111001010
3 Ternary 10201200122122
4 Quaternary 13203313022
5 Quinary 1001410043
6 Senary 110251242
8 Octal 7436712
10 Decimal 1981898
12 Duodecimal 7b6b22
16 Hexadecimal 1e3dca
20 Vigesimal c7eei
36 Base36 16h8q

Cryptographic Hash Functions

md5 3e9aba5f0812fecb7a506bf4cbef8886
sha1 60b1919713ae8380937ef4c2317b33705abbfebb
sha256 1c3d330a7cc1fcf6c8d4c3b21b92c7edcadfc84106a17126a2f57870c1208a4f
sha512 272f60593ecf2c2fa8d0f0d1ff998d90a41dc86a104de111d99c3514330920eb0d4bf772a0811ecbbf03c07adeba1ec32cc6ebd92c6d24a0db3099f848ea5874
ripemd-160 9dc176d5c648bc21252b00ffa86046c10dbcb022

1981898 as geometric shapes

Circle

Radius = n
Diameter 3963796
Circumference 12452632.393929
Area 12339923618131

Sphere

Radius = n
Volume 3.2608626585236E+19
Surface area 49359694472525
Circumference 12452632.393929

Square

Length = n
Perimeter 7927592
Area 3927919682404
Diagonal 2802827.0308401

Cube

Length = n
Surface area 23567518094424
Volume 7784736162717122792
Space diagonal 3432748.0314191

Equilateral Triangle

Length = n
Perimeter 5945694
Area 1700839114493.4
Altitude 1716374.0157096

Triangular Pyramid

Length = n
Surface area 1700839114493.4
Volume 9.1743995506757E+17
Height 934275.6769467