21031879 (number)

21031879 is an odd 8-digits composite number following 21031878 and preceding 21031880. In scientific notation, it is written as 2.1031879 × 10^7. The sum of its digits is 31. It has a total of 3 prime factors and 8 positive divisors. There are 17919360 positive integers (up to 21031879) that are relatively prime to 21031879.

Interesting facts

Basic properties

Name

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

Notation

Scientific notation 2.1031879 × 10^7
Engineering notation 2.1031879 × 10^6

Prime Factorization of 21031879

Prime Factorization 209 × 103 × 977

Composite number
ω Distinct Factors 3
Total number of distinct prime factors
Ω Total Factors 3
Total number of prime factors
rad Radical 21031879
Product of the distinct prime numbers

The prime factorization of 21031879 is 209 × 103 × 977. Since it has a total of 3 prime factors.

Most popular turbo-numbers

5, 6, 90, 81, 648, 898, 1727, 9186, 34967, 91819, 507496, 933615, 2231630, 287529, 33698620, 65012945, 359433784, 748793694, 4892915093, 1563426985

Basic calculations (n = 21031879)

Multiplication

n×y
n×2 42063758
n×3 63095637
n×4 84127516
n×5 105159395

Division

n÷y
n÷2 10515939.5
n÷3 7010626.3333333
n÷3 5257969.75
n÷5 4206375.8

Exponentiation

ny
n2 442339934270641
n3 9.3032399744481E+21
n4 1.9566461745056E+29
n5 4.1151945588014E+36

Nth Root

y√n
2√n 4586.052659968
3√n 276.03195299738
4√n 67.72040061878
5√n 29.145775469872

Divisors of 21031879

1, 103, 209, 977, 21527, 100631, 204193, 21031879

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 -21031878
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 21031879 can be divided by 8 positive divisors. The sum of these divisors (counting 21031879) is 1, the average is 0.125.

Base conversion 21031879

Base System Value
2 Binary 1010000001110101111000111
3 Ternary 1110120112022111
4 Quaternary 1100032233013
5 Quinary 20341010004
6 Senary 2030441451
8 Octal 120165707
10 Decimal 21031879
12 Duodecimal 7063287
16 Hexadecimal 140ebc7
20 Vigesimal 6b8jdj
36 Base36 cisav

Cryptographic Hash Functions

md5 b539bf5b16be38cf19ceeb9d005bc018
sha1 0caa8350f444202408aba59ca077c6d318afce27
sha256 707e70aaa0c48414f318fc85fb95e35ecaa48ffc82ae8f8d8cc310950112da9e
sha512 d4a7bbdfbeedc3d91cc3617c42110ba8dc80bc99277b64d9436b0599ac330f8bee82737b3cac80a1d42772590bb8b85985bb6cb7a367aa77b1c7ab06033f48b3
ripemd-160 9ff5650ed9af1723886e0765c4d0e0c331e87c9d

21031879 as geometric shapes

Circle

Radius = n
Diameter 42063758
Circumference 132147193.11518
Area 1.389651887894E+15

Sphere

Radius = n
Volume 3.8969320477745E+22
Surface area 5.5586075515762E+15
Circumference 132147193.11518

Square

Length = n
Perimeter 84127516
Area 442339934270641
Diagonal 29743568.52399

Cube

Length = n
Surface area 2654039605623846
Volume 9.3032399744481E+21
Space diagonal 36428283.006641

Equilateral Triangle

Length = n
Perimeter 63095637
Area 1.9153881009336E+14
Altitude 18214141.50332

Triangular Pyramid

Length = n
Surface area 1.9153881009336E+14
Volume 1.0963973454897E+21
Height 9914522.84133