21004920 (number)

21004920 is an even 8-digits composite number following 21004919 and preceding 21004921. In scientific notation, it is written as 2.1004920 × 10^7. The sum of its digits is 18. It has a total of 8 prime factors and 80 positive divisors. There are 5598720 positive integers (up to 21004920) that are relatively prime to 21004920.

Interesting facts

Basic properties

Name

Name twenty-one million four thousand nine hundred twenty

Notation

Scientific notation 2.1004920 × 10^7
Engineering notation 2.1004920 × 10^6

Prime Factorization of 21004920

Prime Factorization 2 × 2 × 2 × 9 × 3 × 15 × 3 × 2161

Composite number
ω Distinct Factors 5
Total number of distinct prime factors
Ω Total Factors 8
Total number of prime factors
rad Radical 1750410
Product of the distinct prime numbers

The prime factorization of 21004920 is 2 × 2 × 2 × 9 × 3 × 15 × 3 × 2161. Since it has a total of 8 prime factors.

Most popular turbo-numbers

Basic calculations (n = 21004920)

Multiplication

n×y
n×2 42009840
n×3 63014760
n×4 84019680
n×5 105024600

Division

n÷y
n÷2 10502460
n÷3 7001640
n÷3 5251230
n÷5 4200984

Exponentiation

ny
n2 441206664206400
n3 9.2675106851223E+21
n4 1.9466332054014E+29
n5 4.08888747488E+36

Nth Root

y√n
2√n 4583.1124795274
3√n 275.91396183974
4√n 67.698688905528
5√n 29.138299731341

Divisors of 21004920

80 divisors

τ Total Divisors 80
Total number of the positive divisors of n
σ Sum of Divisors 1
Sum of all the positive divisors of n
s Aliquot Sum -21004919
Sum of the proper positive divisors of n
A Arithmetic Mean 0.0125
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 80
Returns the total number of divisors (τ(n)) divided by the sum of the reciprocal of each divisors

The number 21004920 can be divided by 80 positive divisors. The sum of these divisors (counting 21004920) is 1, the average is 0.0125.

Base conversion 21004920

Base System Value
2 Binary 1010000001000001001111000
3 Ternary 1110112011100000
4 Quaternary 1100020021320
5 Quinary 20334124140
6 Senary 2030113000
8 Octal 120101170
10 Decimal 21004920
12 Duodecimal 704b760
16 Hexadecimal 1408278
20 Vigesimal 6b5c60
36 Base36 ci7i0

Cryptographic Hash Functions

md5 58687036a266a9c3b5aaa263bc52f9f2
sha1 65059a84dbfc2a414aaeebb79d7144ddd57f53f8
sha256 64b74b2ee6efe85628432aa7b84f56db54cdbd7e59955465eddd5a68cc9bd22e
sha512 6502339d740227f0dd4db8b3db65d6a1bb325c167d095b38be80504cbeef30e23cf6503e40bbb4ac7a757be48a181424814445027a64c7bfa07f3bf1b5b93f76
ripemd-160 7f8608b785baf3c7d946815450610511733fd602

21004920 as geometric shapes

Circle

Radius = n
Diameter 42009840
Circumference 131977804.72248
Area 1.3860916149857E+15

Sphere

Radius = n
Volume 3.8819657980593E+22
Surface area 5.5443664599427E+15
Circumference 131977804.72248

Square

Length = n
Perimeter 84019680
Area 441206664206400
Diagonal 29705442.740562

Cube

Length = n
Surface area 2647239985238400
Volume 9.2675106851223E+21
Space diagonal 36381588.64892

Equilateral Triangle

Length = n
Perimeter 63014760
Area 1.9104808976087E+14
Altitude 18190794.32446

Triangular Pyramid

Length = n
Surface area 1.9104808976087E+14
Volume 1.0921866083615E+21
Height 9901814.246854