21581804 (number)

21581804 is an even 8-digits composite number following 21581803 and preceding 21581805. In scientific notation, it is written as 2.1581804 × 10^7. The sum of its digits is 29. It has a total of 4 prime factors and 12 positive divisors. There are 10499184 positive integers (up to 21581804) that are relatively prime to 21581804.

Interesting facts

Basic properties

Name

Name twenty-one million five hundred eighty-one thousand eight hundred four

Notation

Scientific notation 2.1581804 × 10^7
Engineering notation 2.1581804 × 10^6

Prime Factorization of 21581804

Prime Factorization 2 × 2 × 37 × 145823

Composite number
ω Distinct Factors 3
Total number of distinct prime factors
Ω Total Factors 4
Total number of prime factors
rad Radical 10790902
Product of the distinct prime numbers

The prime factorization of 21581804 is 2 × 2 × 37 × 145823. Since it has a total of 4 prime factors.

Most popular turbo-numbers

Basic calculations (n = 21581804)

Multiplication

n×y
n×2 43163608
n×3 64745412
n×4 86327216
n×5 107909020

Division

n÷y
n÷2 10790902
n÷3 7193934.6666667
n÷3 5395451
n÷5 4316360.8

Exponentiation

ny
n2 465774263894416
n3 1.0052248871614E+22
n4 2.1694566490639E+29
n5 4.6820788186593E+36

Nth Root

y√n
2√n 4645.6220250899
3√n 278.41710587081
4√n 68.158800056118
5√n 29.29662208116

Divisors of 21581804

12 divisors

τ Total Divisors 12
Total number of the positive divisors of n
σ Sum of Divisors 1
Sum of all the positive divisors of n
s Aliquot Sum -21581803
Sum of the proper positive divisors of n
A Arithmetic Mean 0.083333333333333
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 12
Returns the total number of divisors (τ(n)) divided by the sum of the reciprocal of each divisors

The number 21581804 can be divided by 12 positive divisors. The sum of these divisors (counting 21581804) is 1, the average is 0.083333333333333.

Base conversion 21581804

Base System Value
2 Binary 1010010010100111111101100
3 Ternary 1111121110200002
4 Quaternary 1102110333230
5 Quinary 21011104204
6 Senary 2050323432
8 Octal 122247754
10 Decimal 21581804
12 Duodecimal 7289578
16 Hexadecimal 1494fec
20 Vigesimal 6ehea4
36 Base36 cukmk

Cryptographic Hash Functions

md5 d331bcda8d97372e44c8cf013d60945b
sha1 9980b1f4d1d1d510e9871a7a4eb39034c24c5c42
sha256 a9500a9427096dc7cc8577aa90b338bd98f328be8d370215584149344dc8bcd5
sha512 7b2f7d31f13c7a408abf01807209814e980c043dcc341be3a8028389ceb58a25f6618d7d17f4a7afa203c58e90695e167f2581b40f367f0bb2e303546a7a8a2c
ripemd-160 24bae3722bcabe6013be8663e9779eabcba9a3c1

21581804 as geometric shapes

Circle

Radius = n
Diameter 43163608
Circumference 135602473.79523
Area 1.4632730056819E+15

Sphere

Radius = n
Volume 4.210676160949E+22
Surface area 5.8530920227276E+15
Circumference 135602473.79523

Square

Length = n
Perimeter 86327216
Area 465774263894416
Diagonal 30521279.917278

Cube

Length = n
Surface area 2794645583366496
Volume 1.0052248871614E+22
Space diagonal 37380781.046993

Equilateral Triangle

Length = n
Perimeter 64745412
Area 2.0168617248078E+14
Altitude 18690390.523497

Triangular Pyramid

Length = n
Surface area 2.0168617248078E+14
Volume 1.1846688905488E+21
Height 10173759.972426