21077881 (number)

21077881 is an odd 8-digits composite number following 21077880 and preceding 21077882. In scientific notation, it is written as 2.1077881 × 10^7. The sum of its digits is 34. It has a total of 3 prime factors and 8 positive divisors. There are 19063440 positive integers (up to 21077881) that are relatively prime to 21077881.

Interesting facts

Basic properties

Name

Name twenty-one million seventy-seven thousand eight hundred eighty-one

Notation

Scientific notation 2.1077881 × 10^7
Engineering notation 2.1077881 × 10^6

Prime Factorization of 21077881

Prime Factorization 11 × 199 × 9629

Composite number
ω Distinct Factors 3
Total number of distinct prime factors
Ω Total Factors 3
Total number of prime factors
rad Radical 21077881
Product of the distinct prime numbers

The prime factorization of 21077881 is 11 × 199 × 9629. Since it has a total of 3 prime factors.

Most popular turbo-numbers

Basic calculations (n = 21077881)

Multiplication

n×y
n×2 42155762
n×3 63233643
n×4 84311524
n×5 105389405

Division

n÷y
n÷2 10538940.5
n÷3 7025960.3333333
n÷3 5269470.25
n÷5 4215576.2

Exponentiation

ny
n2 444277067450161
n3 9.3644191587435E+21
n4 1.9738211266211E+29
n5 4.1603966822207E+36

Nth Root

y√n
2√n 4591.0653447757
3√n 276.23305684255
4√n 67.75740066425
5√n 29.15851415542

Divisors of 21077881

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 -21077880
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 21077881 can be divided by 8 positive divisors. The sum of these divisors (counting 21077881) is 1, the average is 0.125.

Base conversion 21077881

Base System Value
2 Binary 1010000011001111101111001
3 Ternary 1110122212102021
4 Quaternary 1100121331321
5 Quinary 20343443011
6 Senary 2031434441
8 Octal 120317571
10 Decimal 21077881
12 Duodecimal 7085a21
16 Hexadecimal 1419f79
20 Vigesimal 6beee1
36 Base36 cjrsp

Cryptographic Hash Functions

md5 03dce8094ee23b6521ef0dca5f641f35
sha1 19f1b40f6314d31f084a0f25ab10e49f44cbcd36
sha256 3a1daa805320a7631517b5c503d46ee50bed87287934de80af7595980b9d36e8
sha512 474a2cd88f9e67a03c4e13d3957d2f2e71068fd0e8db707f5bda57f9fa19fd69a3e8449aa77cddc6669ce224439c2f5218e03e7efaa8e9f6f9f2fe6a2e566af9
ripemd-160 a4704ea300c699640949101875b4e684a25f1d64

21077881 as geometric shapes

Circle

Radius = n
Diameter 42155762
Circumference 132436232.20568
Area 1.3957375712598E+15

Sphere

Radius = n
Volume 3.9225587245659E+22
Surface area 5.5829502850394E+15
Circumference 132436232.20568

Square

Length = n
Perimeter 84311524
Area 444277067450161
Diagonal 29808625.176286

Cube

Length = n
Surface area 2665662404700966
Volume 9.3644191587435E+21
Space diagonal 36507960.807891

Equilateral Triangle

Length = n
Perimeter 63233643
Area 1.9237761336535E+14
Altitude 18253980.403945

Triangular Pyramid

Length = n
Surface area 1.9237761336535E+14
Volume 1.1036073815035E+21
Height 9936208.3920954