2011981 (number)

2011981 is an odd 7-digits composite number following 2011980 and preceding 2011982. In scientific notation, it is written as 2.011981 × 10^6. The sum of its digits is 22. It has a total of 2 prime factors and 4 positive divisors. There are 2007612 positive integers (up to 2011981) that are relatively prime to 2011981.

Interesting facts

Basic properties

Name

Name two million eleven thousand nine hundred eighty-one

Notation

Scientific notation 2.011981 × 10^6
Engineering notation 2.011981 × 10^6

Prime Factorization of 2011981

Prime Factorization 523 × 3847

Composite number
ω Distinct Factors 2
Total number of distinct prime factors
Ω Total Factors 2
Total number of prime factors
rad Radical 2011981
Product of the distinct prime numbers

The prime factorization of 2011981 is 523 × 3847. Since it has a total of 2 prime factors.

Most popular turbo-numbers

Basic calculations (n = 2011981)

Multiplication

n×y
n×2 4023962
n×3 6035943
n×4 8047924
n×5 10059905

Division

n÷y
n÷2 1005990.5
n÷3 670660.33333333
n÷3 502995.25
n÷5 402396.2

Exponentiation

ny
n2 4048067544361
n3 8144634985970989141
n4 1.6386850843709E+25
n5 3.2970032547376E+31

Nth Root

y√n
2√n 1418.4431606518
3√n 126.24318951596
4√n 37.66222458448
5√n 18.227402130709

Divisors of 2011981

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 -2011980
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 2011981 can be divided by 4 positive divisors. The sum of these divisors (counting 2011981) is 1, the average is 0.25.

Base conversion 2011981

Base System Value
2 Binary 111101011001101001101
3 Ternary 10210012220211
4 Quaternary 13223031031
5 Quinary 1003340411
6 Senary 111042421
8 Octal 7531515
10 Decimal 2011981
12 Duodecimal 810411
16 Hexadecimal 1eb34d
20 Vigesimal cb9j1
36 Base36 174gd

Cryptographic Hash Functions

md5 cbf7db00f882a8a0e2a5974ac7f7b98d
sha1 77bd42fdc84f4f3321e57b5d6bacb59fee85ec91
sha256 aa372291c513acaec3b8d7517982905199bbfd16268c792930be54d603fbcd74
sha512 ea353b74cdb8379323bbed04efd95faf6685025db75d79c631968e2a8ce99bb08cad528892a02871e5e5f89f5dd5edeee3a0993e300343b1fa5b8a07391dc231
ripemd-160 7be08f6cc4e5618622d84c7ca78e449fabea6afb

2011981 as geometric shapes

Circle

Radius = n
Diameter 4023962
Circumference 12641649.457524
Area 12717379258600

Sphere

Radius = n
Volume 3.4116167250796E+19
Surface area 50869517034399
Circumference 12641649.457524

Square

Length = n
Perimeter 8047924
Area 4048067544361
Diagonal 2845370.817437

Cube

Length = n
Surface area 24288405266166
Volume 8144634985970989141
Space diagonal 3484853.3158632

Equilateral Triangle

Length = n
Perimeter 6035943
Area 1752864664826
Altitude 1742426.6579316

Triangular Pyramid

Length = n
Surface area 1752864664826
Volume 9.5985443814488E+17
Height 948456.93914566