21691490 (number)

21691490 is an even 8-digits composite number following 21691489 and preceding 21691491. In scientific notation, it is written as 2.1691490 × 10^7. The sum of its digits is 32. It has a total of 4 prime factors and 16 positive divisors. There are 8166144 positive integers (up to 21691490) that are relatively prime to 21691490.

Interesting facts

Basic properties

Name

Name twenty-one million six hundred ninety-one thousand four hundred ninety

Notation

Scientific notation 2.1691490 × 10^7
Engineering notation 2.1691490 × 10^6

Prime Factorization of 21691490

Prime Factorization 2 × 5 × 17 × 127597

Composite number
ω Distinct Factors 4
Total number of distinct prime factors
Ω Total Factors 4
Total number of prime factors
rad Radical 21691490
Product of the distinct prime numbers

The prime factorization of 21691490 is 2 × 5 × 17 × 127597. Since it has a total of 4 prime factors.

Most popular turbo-numbers

3, 3, 28, 75, 62, 759, 6425, 4202, 18919, 58088, 926579, 870449, 7171267, 4177803, 39066891, 69429824, 280370835, 33599436, 3196766937, 3906661191

Basic calculations (n = 21691490)

Multiplication

n×y
n×2 43382980
n×3 65074470
n×4 86765960
n×5 108457450

Division

n÷y
n÷2 10845745
n÷3 7230496.6666667
n÷3 5422872.5
n÷5 4338298

Exponentiation

ny
n2 470520738420100
n3 1.0206295892232E+22
n4 2.213897652834E+29
n5 4.8022738797471E+36

Nth Root

y√n
2√n 4657.4123716931
3√n 278.88797890624
4√n 68.245236989061
5√n 29.326340787229

Divisors of 21691490

1, 2, 5, 10, 17, 34, 85, 170, 127597, 255194, 637985, 1275970, 2169149, 4338298, 10845745, 21691490

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 -21691489
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 21691490 can be divided by 16 positive divisors. The sum of these divisors (counting 21691490) is 1, the average is 0.0625.

Base conversion 21691490

Base System Value
2 Binary 1010010101111110001100010
3 Ternary 1111211001010112
4 Quaternary 1102233301202
5 Quinary 21023111430
6 Senary 2052531322
8 Octal 122576142
10 Decimal 21691490
12 Duodecimal 7320b42
16 Hexadecimal 14afc62
20 Vigesimal 6fb8ea
36 Base36 cwx9e

Cryptographic Hash Functions

md5 29bcd9c6b79977be2078e59959e57305
sha1 fd1937a4a617382ebaf2be52b7132a346e1177b5
sha256 11363f9ba12d03172cd159d588d8ae2eb57434a3af7a7d92ff066f9a100982f5
sha512 1c8e24e846ff64414da8faaa5a2544517c516a685ac9df4263c911d947aea77dcf3f3c364a064bf75e3bce9a2d3c8f564f6504f80a81906c4fce716414ddc034
ripemd-160 6a617f9372041e3a40e2b610c7f7c91be30bdfee

21691490 as geometric shapes

Circle

Radius = n
Diameter 43382980
Circumference 136291651.25883
Area 1.4781844951822E+15

Sphere

Radius = n
Volume 4.2752032260534E+22
Surface area 5.9127379807289E+15
Circumference 136291651.25883

Square

Length = n
Perimeter 86765960
Area 470520738420100
Diagonal 30676399.34608

Cube

Length = n
Surface area 2823124430520600
Volume 1.0206295892232E+22
Space diagonal 37570762.771872

Equilateral Triangle

Length = n
Perimeter 65074470
Area 2.0374145623961E+14
Altitude 18785381.385936

Triangular Pyramid

Length = n
Surface area 2.0374145623961E+14
Volume 1.2028235060323E+21
Height 10225466.448693