21609990 (number)

21609990 is an even 8-digits composite number following 21609989 and preceding 21609991. In scientific notation, it is written as 2.1609990 × 10^7. The sum of its digits is 36. It has a total of 5 prime factors and 32 positive divisors. There are 5762016 positive integers (up to 21609990) that are relatively prime to 21609990.

Interesting facts

Basic properties

Name

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

Notation

Scientific notation 2.1609990 × 10^7
Engineering notation 2.1609990 × 10^6

Prime Factorization of 21609990

Prime Factorization 2 × 45 × 3 × 9 × 8893

Composite number
ω Distinct Factors 5
Total number of distinct prime factors
Ω Total Factors 5
Total number of prime factors
rad Radical 21609990
Product of the distinct prime numbers

The prime factorization of 21609990 is 2 × 45 × 3 × 9 × 8893. Since it has a total of 5 prime factors.

Most popular turbo-numbers

2, 10, 61, 36, 352, 540, 8147, 7114, 24508, 77337, 683268, 834247, 3411957, 3171419, 64523041, 20090804, 251730912, 672570706, 6102050952, 1677679790

Basic calculations (n = 21609990)

Multiplication

n×y
n×2 43219980
n×3 64829970
n×4 86439960
n×5 108049950

Division

n÷y
n÷2 10804995
n÷3 7203330
n÷3 5402497.5
n÷5 4321998

Exponentiation

ny
n2 466991667800100
n3 1.0091685271243E+22
n4 2.1808121779472E+29
n5 4.7127329357317E+36

Nth Root

y√n
2√n 4648.6546440879
3√n 278.53825809608
4√n 68.181043143149
5√n 29.304270408899

Divisors of 21609990

1, 2, 3, 6, 9, 18, 27, 45, 54, 90, 135, 270, 405, 810, 1215, 2430, 8893, 17786, 26679, 53358, 80037, 160074, 240111, 400185, 480222, 800370, 1200555, 2401110, 3601665, 7203330, 10804995, 21609990

32 divisors

τ Total Divisors 32
Total number of the positive divisors of n
σ Sum of Divisors 1
Sum of all the positive divisors of n
s Aliquot Sum -21609989
Sum of the proper positive divisors of n
A Arithmetic Mean 0.03125
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 32
Returns the total number of divisors (τ(n)) divided by the sum of the reciprocal of each divisors

The number 21609990 can be divided by 32 positive divisors. The sum of these divisors (counting 21609990) is 1, the average is 0.03125.

Base conversion 21609990

Base System Value
2 Binary 1010010011011111000000110
3 Ternary 1111122220100000
4 Quaternary 1102123320012
5 Quinary 21013004430
6 Senary 2051102130
8 Octal 122337006
10 Decimal 21609990
12 Duodecimal 72a1946
16 Hexadecimal 149be06
20 Vigesimal 6f14ja
36 Base36 cv6di

Cryptographic Hash Functions

md5 1e44df94cfd20de67071107baea5133d
sha1 a351c50d3ac39ea45b501f17494b899150a140f6
sha256 6052dd6e5144e337c4d7682a45128232aee599d2859d64bdf7834b3371186944
sha512 f2d76682cd3b35a45f29e4d0c61ae04e71e2975c37cdac72af12fdde35d73867a6ba74ead6c07886630a579e608d2fdd8f0d6a607631b0198e17e2187e81d283
ripemd-160 c6e3e46e568b6f7f5b62ecc65818971ebd8a3b96

21609990 as geometric shapes

Circle

Radius = n
Diameter 43219980
Circumference 135779571.6563
Area 1.4670975928484E+15

Sphere

Radius = n
Volume 4.2271952413972E+22
Surface area 5.8683903713938E+15
Circumference 135779571.6563

Square

Length = n
Perimeter 86439960
Area 466991667800100
Diagonal 30561140.940747

Cube

Length = n
Surface area 2801950006800600
Volume 1.0091685271243E+22
Space diagonal 37429600.631055

Equilateral Triangle

Length = n
Perimeter 64829970
Area 2.0221332383528E+14
Altitude 18714800.315528

Triangular Pyramid

Length = n
Surface area 2.0221332383528E+14
Volume 1.1893165148161E+21
Height 10187046.980249