21031779 (number)

21031779 is an odd 8-digits composite number following 21031778 and preceding 21031780. In scientific notation, it is written as 2.1031779 × 10^7. The sum of its digits is 30. It has a total of 3 prime factors and 8 positive divisors. There are 13970016 positive integers (up to 21031779) that are relatively prime to 21031779.

Interesting facts

Basic properties

Name

Name twenty-one million thirty-one thousand seven hundred seventy-nine

Notation

Scientific notation 2.1031779 × 10^7
Engineering notation 2.1031779 × 10^6

Prime Factorization of 21031779

Prime Factorization 3 × 277 × 25309

Composite number
ω Distinct Factors 3
Total number of distinct prime factors
Ω Total Factors 3
Total number of prime factors
rad Radical 21031779
Product of the distinct prime numbers

The prime factorization of 21031779 is 3 × 277 × 25309. Since it has a total of 3 prime factors.

Most popular turbo-numbers

Basic calculations (n = 21031779)

Multiplication

n×y
n×2 42063558
n×3 63095337
n×4 84127116
n×5 105158895

Division

n÷y
n÷2 10515889.5
n÷3 7010593
n÷3 5257944.75
n÷5 4206355.8

Exponentiation

ny
n2 442335727904841
n3 9.3031072730987E+21
n4 1.9566089618111E+29
n5 4.115096727423E+36

Nth Root

y√n
2√n 4586.0417573328
3√n 276.03151551484
4√n 67.720320121311
5√n 29.145747754012

Divisors of 21031779

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 -21031778
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 21031779 can be divided by 8 positive divisors. The sum of these divisors (counting 21031779) is 1, the average is 0.125.

Base conversion 21031779

Base System Value
2 Binary 1010000001110101101100011
3 Ternary 1110120112011210
4 Quaternary 1100032231203
5 Quinary 20341004104
6 Senary 2030441203
8 Octal 120165543
10 Decimal 21031779
12 Duodecimal 7063203
16 Hexadecimal 140eb63
20 Vigesimal 6b8j8j
36 Base36 cis83

Cryptographic Hash Functions

md5 50d8ac5157fb2cf68fd7555a48a00962
sha1 9669472cd5f9563ca2a074b683f7607500eb7ab9
sha256 ff6ee15e820ba6c07fc093b8d5b515752d0c8ec5b29ca85d0c85a99c9fe8026a
sha512 8ffaa5297af54d2384b6050d509fac44feac5e53e7ada6c2ee88f2003a51f4817ac2e6cd3d48a31ca86b3ab49584b1422f0b1d75952305dffb0eb12e49e0aa5f
ripemd-160 c97849ac6a494e1420af4e121ea02f1dab5cf46f

21031779 as geometric shapes

Circle

Radius = n
Diameter 42063558
Circumference 132146564.79665
Area 1.3896386732061E+15

Sphere

Radius = n
Volume 3.8968764619633E+22
Surface area 5.5585546928246E+15
Circumference 132146564.79665

Square

Length = n
Perimeter 84127116
Area 442335727904841
Diagonal 29743427.102634

Cube

Length = n
Surface area 2654014367429046
Volume 9.3031072730987E+21
Space diagonal 36428109.80156

Equilateral Triangle

Length = n
Perimeter 63095337
Area 1.9153698868354E+14
Altitude 18214054.90078

Triangular Pyramid

Length = n
Surface area 1.9153698868354E+14
Volume 1.0963817064857E+21
Height 9914475.7008779