21557585 (number)

21557585 is an odd 8-digits composite number following 21557584 and preceding 21557586. In scientific notation, it is written as 2.1557585 × 10^7. The sum of its digits is 38. It has a total of 4 prime factors and 16 positive divisors. There are 14015232 positive integers (up to 21557585) that are relatively prime to 21557585.

Interesting facts

Basic properties

Name

Name twenty-one million five hundred fifty-seven thousand five hundred eighty-five

Notation

Scientific notation 2.1557585 × 10^7
Engineering notation 2.1557585 × 10^6

Prime Factorization of 21557585

Prime Factorization 145 × 7 × 67 × 317

Composite number
ω Distinct Factors 4
Total number of distinct prime factors
Ω Total Factors 4
Total number of prime factors
rad Radical 21557585
Product of the distinct prime numbers

The prime factorization of 21557585 is 145 × 7 × 67 × 317. Since it has a total of 4 prime factors.

Most popular turbo-numbers

6, 2, 55, 96, 383, 298, 1051, 2120, 76273, 39420, 239940, 215491, 5010123, 4030588, 21480384, 85880826, 600114704, 679682207, 2779822461, 5198562730

Basic calculations (n = 21557585)

Multiplication

n×y
n×2 43115170
n×3 64672755
n×4 86230340
n×5 107787925

Division

n÷y
n÷2 10778792.5
n÷3 7185861.6666667
n÷3 5389396.25
n÷5 4311517

Exponentiation

ny
n2 464729471032225
n3 1.0018445073782E+22
n4 2.1597348124589E+29
n5 4.6558666797042E+36

Nth Root

y√n
2√n 4643.0146456801
3√n 278.31292076228
4√n 68.13967013187
5√n 29.290043821071

Divisors of 21557585

1, 7, 67, 145, 317, 469, 1015, 2219, 9715, 21239, 45965, 68005, 148673, 321755, 3079655, 21557585

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 -21557584
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 21557585 can be divided by 16 positive divisors. The sum of these divisors (counting 21557585) is 1, the average is 0.0625.

Base conversion 21557585

Base System Value
2 Binary 1010010001111000101010001
3 Ternary 1111120020110002
4 Quaternary 1102033011101
5 Quinary 21004320320
6 Senary 2050015345
8 Octal 122170521
10 Decimal 21557585
12 Duodecimal 7277555
16 Hexadecimal 148f151
20 Vigesimal 6eedj5
36 Base36 cu1xt

Cryptographic Hash Functions

md5 93e75e0cf583848adad354fe40f2a5bb
sha1 d92bec0e8fda08683d78b7ae2b90dc93b3cd7f71
sha256 fe73bcf536b1e8ae378fd7784976ca297160f9beb345cfda6c6698667bf22afd
sha512 a031cadc7f08c881bc743c9178879bd3c3d7111e347134c4f94b65e872840ed4ae108205155adf7728a4725ca9131dc39e401e55ee6d0ff739b2df5b90bde192
ripemd-160 09be5af26c8b9e685a72e0775a3065d2be17c1dd

21557585 as geometric shapes

Circle

Radius = n
Diameter 43115170
Circumference 135450301.33028
Area 1.4599906921015E+15

Sphere

Radius = n
Volume 4.1965164592249E+22
Surface area 5.839962768406E+15
Circumference 135450301.33028

Square

Length = n
Perimeter 86230340
Area 464729471032225
Diagonal 30487029.079011

Cube

Length = n
Surface area 2788376826193350
Volume 1.0018445073782E+22
Space diagonal 37338832.508485

Equilateral Triangle

Length = n
Perimeter 64672755
Area 2.0123376390061E+14
Altitude 18669416.254242

Triangular Pyramid

Length = n
Surface area 2.0123376390061E+14
Volume 1.1806850747694E+21
Height 10162343.026337