2019981 (number)

2019981 is an odd 7-digits composite number following 2019980 and preceding 2019982. In scientific notation, it is written as 2.019981 × 10^6. The sum of its digits is 30. It has a total of 2 prime factors and 4 positive divisors. There are 1346652 positive integers (up to 2019981) that are relatively prime to 2019981.

Interesting facts

Basic properties

Name

Name two million nineteen thousand nine hundred eighty-one

Notation

Scientific notation 2.019981 × 10^6
Engineering notation 2.019981 × 10^6

Prime Factorization of 2019981

Prime Factorization 3 × 673327

Composite number
ω Distinct Factors 2
Total number of distinct prime factors
Ω Total Factors 2
Total number of prime factors
rad Radical 2019981
Product of the distinct prime numbers

The prime factorization of 2019981 is 3 × 673327. Since it has a total of 2 prime factors.

Most popular turbo-numbers

Basic calculations (n = 2019981)

Multiplication

n×y
n×2 4039962
n×3 6059943
n×4 8079924
n×5 10099905

Division

n÷y
n÷2 1009990.5
n÷3 673327
n÷3 504995.25
n÷5 403996.2

Exponentiation

ny
n2 4080323240361
n3 8242175419387653141
n4 1.664903774583E+25
n5 3.363073991486E+31

Nth Root

y√n
2√n 1421.2603561628
3√n 126.41029014795
4√n 37.69960684361
5√n 18.241874220394

Divisors of 2019981

4 divisors

τ Total Divisors 4
Total number of the positive divisors of n
σ Sum of Divisors 1
Sum of all the positive divisors of n
s Aliquot Sum -2019980
Sum of the proper positive divisors of n
A Arithmetic Mean 0.25
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 4
Returns the total number of divisors (τ(n)) divided by the sum of the reciprocal of each divisors

The number 2019981 can be divided by 4 positive divisors. The sum of these divisors (counting 2019981) is 1, the average is 0.25.

Base conversion 2019981

Base System Value
2 Binary 111101101001010001101
3 Ternary 10210121220010
4 Quaternary 13231022031
5 Quinary 1004114411
6 Senary 111143433
8 Octal 7551215
10 Decimal 2019981
12 Duodecimal 814b79
16 Hexadecimal 1ed28d
20 Vigesimal cc9j1
36 Base36 17aml

Cryptographic Hash Functions

md5 16b1c0245d2ee6c319980ee16ed8b19c
sha1 773b62c2bb76bec07cc895671ac15bd105f9c042
sha256 2ad2b41c9a6985963d593382bad2d24decf062b7b70a4794544d7f80b9ec044a
sha512 cd3b4af7200baf5907652678aace6cfd381b688577a5c3951136dcfd769754a95bb7b3902509112ede47f4fc3d75f1a21220a07fc9754ca8dc91d597dd655152
ripemd-160 aabd26899c649ab891493112d7c017f9d67a7430

2019981 as geometric shapes

Circle

Radius = n
Diameter 4039962
Circumference 12691914.939982
Area 12818713516190

Sphere

Radius = n
Volume 3.4524743662862E+19
Surface area 51274854064759
Circumference 12691914.939982

Square

Length = n
Perimeter 8079924
Area 4080323240361
Diagonal 2856684.525936

Cube

Length = n
Surface area 24481939442166
Volume 8242175419387653141
Space diagonal 3498709.7223238

Equilateral Triangle

Length = n
Perimeter 6059943
Area 1766831790902.3
Altitude 1749354.8611619

Triangular Pyramid

Length = n
Surface area 1766831790902.3
Volume 9.7134968846301E+17
Height 952228.17531199