21553857 (number)

21553857 is an odd 8-digits composite number following 21553856 and preceding 21553858. In scientific notation, it is written as 2.1553857 × 10^7. The sum of its digits is 36. It has a total of 4 prime factors and 16 positive divisors. There are 13261968 positive integers (up to 21553857) that are relatively prime to 21553857.

Interesting facts

Basic properties

Name

Name twenty-one million five hundred fifty-three thousand eight hundred fifty-seven

Notation

Scientific notation 2.1553857 × 10^7
Engineering notation 2.1553857 × 10^6

Prime Factorization of 21553857

Prime Factorization 9 × 27 × 13 × 6823

Composite number
ω Distinct Factors 4
Total number of distinct prime factors
Ω Total Factors 4
Total number of prime factors
rad Radical 21553857
Product of the distinct prime numbers

The prime factorization of 21553857 is 9 × 27 × 13 × 6823. Since it has a total of 4 prime factors.

Most popular turbo-numbers

3, 2, 35, 60, 400, 86, 8790, 5813, 70599, 33124, 311654, 762622, 1296304, 4868560, 92850345, 54832395, 69233953, 351526639, 7521260781, 6700202044

Basic calculations (n = 21553857)

Multiplication

n×y
n×2 43107714
n×3 64661571
n×4 86215428
n×5 107769285

Division

n÷y
n÷2 10776928.5
n÷3 7184619
n÷3 5388464.25
n÷5 4310771.4

Exponentiation

ny
n2 464568751576449
n3 1.0013248438147E+22
n4 2.158241249413E+29
n5 4.6518423261349E+36

Nth Root

y√n
2√n 4642.6131650182
3√n 278.29687675143
4√n 68.136724055521
5√n 29.289030712809

Divisors of 21553857

1, 9, 13, 27, 117, 243, 351, 3159, 6823, 61407, 88699, 184221, 798291, 1657989, 2394873, 21553857

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 -21553856
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 21553857 can be divided by 16 positive divisors. The sum of these divisors (counting 21553857) is 1, the average is 0.0625.

Base conversion 21553857

Base System Value
2 Binary 1010010001110001011000001
3 Ternary 1111120001100000
4 Quaternary 1102032023001
5 Quinary 21004210412
6 Senary 2045550213
8 Octal 122161301
10 Decimal 21553857
12 Duodecimal 7275369
16 Hexadecimal 148e2c1
20 Vigesimal 6ee4ch
36 Base36 ctz29

Cryptographic Hash Functions

md5 b6001ddf251f88145d314d9926454149
sha1 7417d72a6eff603e3671ab20de4dcf5228646db8
sha256 b70ce9b39f923719cbada8b2bcc0c650e43d2bb63fda625b2263c943aeba67ca
sha512 35b612bd0212fc40ae55893e0a71d5c9a8e5e8ba2be1f2dc533a89e4142e5f7707849ce3ef630696a7a21b57b3fd563d2b9540fe3e6565afc4a44013eded65d3
ripemd-160 58123c5e31ea7eb95bfd719efa1d781e2884a14c

21553857 as geometric shapes

Circle

Radius = n
Diameter 43107714
Circumference 135426877.61545
Area 1.45948577704E+15

Sphere

Radius = n
Volume 4.1943396975804E+22
Surface area 5.8379431081598E+15
Circumference 135426877.61545

Square

Length = n
Perimeter 86215428
Area 464568751576449
Diagonal 30481756.89085

Cube

Length = n
Surface area 2787412509458694
Volume 1.0013248438147E+22
Space diagonal 37332375.423074

Equilateral Triangle

Length = n
Perimeter 64661571
Area 2.0116417033481E+14
Altitude 18666187.711537

Triangular Pyramid

Length = n
Surface area 2.0116417033481E+14
Volume 1.1800726453866E+21
Height 10160585.630283