21490919 (number)

21490919 is an odd 8-digits composite number following 21490918 and preceding 21490920. In scientific notation, it is written as 2.1490919 × 10^7. The sum of its digits is 35. It has a total of 4 prime factors and 16 positive divisors. There are 19736640 positive integers (up to 21490919) that are relatively prime to 21490919.

Interesting facts

Basic properties

Name

Name twenty-one million four hundred ninety thousand nine hundred nineteen

Notation

Scientific notation 2.1490919 × 10^7
Engineering notation 2.1490919 × 10^6

Prime Factorization of 21490919

Prime Factorization 19 × 71 × 179 × 89

Composite number
ω Distinct Factors 4
Total number of distinct prime factors
Ω Total Factors 4
Total number of prime factors
rad Radical 21490919
Product of the distinct prime numbers

The prime factorization of 21490919 is 19 × 71 × 179 × 89. Since it has a total of 4 prime factors.

Most popular turbo-numbers

Basic calculations (n = 21490919)

Multiplication

n×y
n×2 42981838
n×3 64472757
n×4 85963676
n×5 107454595

Division

n÷y
n÷2 10745459.5
n÷3 7163639.6666667
n÷3 5372729.75
n÷5 4298183.8

Exponentiation

ny
n2 461859599464561
n3 9.9257872414653E+21
n4 2.1331428961756E+29
n5 4.5843201197136E+36

Nth Root

y√n
2√n 4635.8299149128
3√n 278.02573386333
4√n 68.086929104732
5√n 29.271905704479

Divisors of 21490919

16 divisors

τ Total Divisors 16
Total number of the positive divisors of n
σ Sum of Divisors 1
Sum of all the positive divisors of n
s Aliquot Sum -21490918
Sum of the proper positive divisors of n
A Arithmetic Mean 0.0625
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 16
Returns the total number of divisors (τ(n)) divided by the sum of the reciprocal of each divisors

The number 21490919 can be divided by 16 positive divisors. The sum of these divisors (counting 21490919) is 1, the average is 0.0625.

Base conversion 21490919

Base System Value
2 Binary 1010001111110110011100111
3 Ternary 1111102211222222
4 Quaternary 1101332303213
5 Quinary 21000202134
6 Senary 2044342555
8 Octal 121766347
10 Decimal 21490919
12 Duodecimal 7244a5b
16 Hexadecimal 147ece7
20 Vigesimal 6e675j
36 Base36 csmhz

Cryptographic Hash Functions

md5 e0b20b294bf536234059c92ed68947f8
sha1 614ded3a84ff55fb5f4a8ede31d08d141a45770a
sha256 26aafb2ea0b530b835f8dda902bbc45f969ff3547faefcb538f48c119ae9d1f2
sha512 b74f501c5cb57415bbeca7ba3903fc428058d12df4146998cba9eda16ac75c8088f890a52e80f30e6a365e1738dadd2ca8a5f8820f555d25effb8d0e87ab62af
ripemd-160 58fce53dcb8a9ce784042e0463ec57ebe0a50fca

21490919 as geometric shapes

Circle

Radius = n
Diameter 42981838
Circumference 135031426.49859
Area 1.4509747246678E+15

Sphere

Radius = n
Volume 4.1577040371844E+22
Surface area 5.8038988986712E+15
Circumference 135031426.49859

Square

Length = n
Perimeter 85963676
Area 461859599464561
Diagonal 30392749.117662

Cube

Length = n
Surface area 2771157596787366
Volume 9.9257872414653E+21
Space diagonal 37223363.609347

Equilateral Triangle

Length = n
Perimeter 64472757
Area 1.9999107305901E+14
Altitude 18611681.804674

Triangular Pyramid

Length = n
Surface area 1.9999107305901E+14
Volume 1.1697652445092E+21
Height 10130916.372554