21492939 (number)

21492939 is an odd 8-digits composite number following 21492938 and preceding 21492940. In scientific notation, it is written as 2.1492939 × 10^7. The sum of its digits is 39. It has a total of 3 prime factors and 8 positive divisors. There are 13106688 positive integers (up to 21492939) that are relatively prime to 21492939.

Interesting facts

Basic properties

Name

Name twenty-one million four hundred ninety-two thousand nine hundred thirty-nine

Notation

Scientific notation 2.1492939 × 10^7
Engineering notation 2.1492939 × 10^6

Prime Factorization of 21492939

Prime Factorization 39 × 113 × 4877

Composite number
ω Distinct Factors 3
Total number of distinct prime factors
Ω Total Factors 3
Total number of prime factors
rad Radical 21492939
Product of the distinct prime numbers

The prime factorization of 21492939 is 39 × 113 × 4877. Since it has a total of 3 prime factors.

Most popular turbo-numbers

Basic calculations (n = 21492939)

Multiplication

n×y
n×2 42985878
n×3 64478817
n×4 85971756
n×5 107464695

Division

n÷y
n÷2 10746469.5
n÷3 7164313
n÷3 5373234.75
n÷5 4298587.8

Exponentiation

ny
n2 461946426857721
n3 9.928586373721E+21
n4 2.1339450128662E+29
n5 4.5864749990887E+36

Nth Root

y√n
2√n 4636.0477780109
3√n 278.03444443216
4√n 68.088528975231
5√n 29.272455955742

Divisors of 21492939

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 -21492938
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 21492939 can be divided by 8 positive divisors. The sum of these divisors (counting 21492939) is 1, the average is 0.125.

Base conversion 21492939

Base System Value
2 Binary 1010001111111010011001011
3 Ternary 1111102221202210
4 Quaternary 1101333103023
5 Quinary 21000233224
6 Senary 2044400203
8 Octal 121772313
10 Decimal 21492939
12 Duodecimal 7246063
16 Hexadecimal 147f4cb
20 Vigesimal 6e6c6j
36 Base36 cso23

Cryptographic Hash Functions

md5 b3aeae5cfc732e480fcf2b8884186432
sha1 8fc6ea90ce9fd95dc35cf8c98fa844eeadc859ad
sha256 d5747ed747713092fef8c10a66a90f875542394f74af93a3d5a694aa5fa288cc
sha512 62cb59d00512c32776715448fbf5748d47267bb57e8f7983392e90ceb360ce94c43ebe828af6c8991724a70c9594e23bb5e9facf09a3ca17b0bdd141cff45bd9
ripemd-160 372ba6c0ce035791010bbaa49737c6920c02e71d

21492939 as geometric shapes

Circle

Radius = n
Diameter 42985878
Circumference 135044118.53291
Area 1.4512475009683E+15

Sphere

Radius = n
Volume 4.1588765349618E+22
Surface area 5.8049900038731E+15
Circumference 135044118.53291

Square

Length = n
Perimeter 85971756
Area 461946426857721
Diagonal 30395605.829058

Cube

Length = n
Surface area 2771678561146326
Volume 9.928586373721E+21
Space diagonal 37226862.351979

Equilateral Triangle

Length = n
Perimeter 64478817
Area 2.0002867042312E+14
Altitude 18613431.175989

Triangular Pyramid

Length = n
Surface area 2.0002867042312E+14
Volume 1.1700951254091E+21
Height 10131868.609686