21552815 (number)

21552815 is an odd 8-digits composite number following 21552814 and preceding 21552816. In scientific notation, it is written as 2.1552815 × 10^7. The sum of its digits is 29. It has a total of 2 prime factors and 4 positive divisors. There are 17242248 positive integers (up to 21552815) that are relatively prime to 21552815.

Interesting facts

Basic properties

Name

Name twenty-one million five hundred fifty-two thousand eight hundred fifteen

Notation

Scientific notation 2.1552815 × 10^7
Engineering notation 2.1552815 × 10^6

Prime Factorization of 21552815

Prime Factorization 5 × 4310563

Composite number
ω Distinct Factors 2
Total number of distinct prime factors
Ω Total Factors 2
Total number of prime factors
rad Radical 21552815
Product of the distinct prime numbers

The prime factorization of 21552815 is 5 × 4310563. Since it has a total of 2 prime factors.

Most popular turbo-numbers

Basic calculations (n = 21552815)

Multiplication

n×y
n×2 43105630
n×3 64658445
n×4 86211260
n×5 107764075

Division

n÷y
n÷2 10776407.5
n÷3 7184271.6666667
n÷3 5388203.75
n÷5 4310563

Exponentiation

ny
n2 464523834424225
n3 1.0011796266436E+22
n4 2.1578239274818E+29
n5 4.650717991159E+36

Nth Root

y√n
2√n 4642.5009423801
3√n 278.29239201631
4√n 68.135900539878
5√n 29.288747517461

Divisors of 21552815

4 divisors

τ Total Divisors 4
Total number of the positive divisors of n
σ Sum of Divisors 1
Sum of all the positive divisors of n
s Aliquot Sum -21552814
Sum of the proper positive divisors of n
A Arithmetic Mean 0.25
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 4
Returns the total number of divisors (τ(n)) divided by the sum of the reciprocal of each divisors

The number 21552815 can be divided by 4 positive divisors. The sum of these divisors (counting 21552815) is 1, the average is 0.25.

Base conversion 21552815

Base System Value
2 Binary 1010010001101111010101111
3 Ternary 1111112222220102
4 Quaternary 1102031322233
5 Quinary 21004142230
6 Senary 2045541315
8 Octal 122157257
10 Decimal 21552815
12 Duodecimal 727483b
16 Hexadecimal 148deaf
20 Vigesimal 6ee20f
36 Base36 cty9b

Cryptographic Hash Functions

md5 8e15d2b2e2aba8e631e178f2b1d5835c
sha1 df5836e028fb0c952b35331abd8c989cf7102a1c
sha256 c78254e31b77df28c9ee13d7273fecf7d5465ae4d35e6206ea5b95e05993e151
sha512 398c89ebb4ec948a487eb029d36a253d006a6468f2baf56bb9eede36851c81ea52e090e27b34a2618652b35778b10af10865c496de89b8a495a287c055a85d46
ripemd-160 447dffaf4c162514b14f5378dc10eb591c8159c1

21552815 as geometric shapes

Circle

Radius = n
Diameter 43105630
Circumference 135420330.53636
Area 1.4593446656445E+15

Sphere

Radius = n
Volume 4.1937314133164E+22
Surface area 5.837378662578E+15
Circumference 135420330.53636

Square

Length = n
Perimeter 86211260
Area 464523834424225
Diagonal 30480283.280318

Cube

Length = n
Surface area 2787143006545350
Volume 1.0011796266436E+22
Space diagonal 37330570.626133

Equilateral Triangle

Length = n
Perimeter 64658445
Area 2.0114472063737E+14
Altitude 18665285.313066

Triangular Pyramid

Length = n
Surface area 2.0114472063737E+14
Volume 1.1799015053092E+21
Height 10160094.426773