21552405 (number)

21552405 is an odd 8-digits composite number following 21552404 and preceding 21552406. In scientific notation, it is written as 2.1552405 × 10^7. The sum of its digits is 24. It has a total of 7 prime factors and 64 positive divisors. There are 9549120 positive integers (up to 21552405) that are relatively prime to 21552405.

Interesting facts

Basic properties

Name

Name twenty-one million five hundred fifty-two thousand four hundred five

Notation

Scientific notation 2.1552405 × 10^7
Engineering notation 2.1552405 × 10^6

Prime Factorization of 21552405

Prime Factorization 7 × 7 × 5 × 3 × 7 × 59 × 71

Composite number
ω Distinct Factors 5
Total number of distinct prime factors
Ω Total Factors 7
Total number of prime factors
rad Radical 439845
Product of the distinct prime numbers

The prime factorization of 21552405 is 7 × 7 × 5 × 3 × 7 × 59 × 71. Since it has a total of 7 prime factors.

Most popular turbo-numbers

Basic calculations (n = 21552405)

Multiplication

n×y
n×2 43104810
n×3 64657215
n×4 86209620
n×5 107762025

Division

n÷y
n÷2 10776202.5
n÷3 7184135
n÷3 5388101.25
n÷5 4310481

Exponentiation

ny
n2 464506161284025
n3 1.0011224912989E+22
n4 2.1576597387082E+29
n5 4.6502756540833E+36

Nth Root

y√n
2√n 4642.4567849362
3√n 278.29062734961
4√n 68.135576499625
5√n 29.288636084426

Divisors of 21552405

64 divisors

τ Total Divisors 64
Total number of the positive divisors of n
σ Sum of Divisors 1
Sum of all the positive divisors of n
s Aliquot Sum -21552404
Sum of the proper positive divisors of n
A Arithmetic Mean 0.015625
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 64
Returns the total number of divisors (τ(n)) divided by the sum of the reciprocal of each divisors

The number 21552405 can be divided by 64 positive divisors. The sum of these divisors (counting 21552405) is 1, the average is 0.015625.

Base conversion 21552405

Base System Value
2 Binary 1010010001101110100010101
3 Ternary 1111112222100020
4 Quaternary 1102031310111
5 Quinary 21004134110
6 Senary 2045535353
8 Octal 122156425
10 Decimal 21552405
12 Duodecimal 7274559
16 Hexadecimal 148dd15
20 Vigesimal 6ee105
36 Base36 ctxxx

Cryptographic Hash Functions

md5 ed144de7abf82e162f106e10759829b1
sha1 fbb5d442b8f103614bfc04fe38d871ef387eef02
sha256 0eee964b494562fcf2ecc35564721979f8a6ae1eed2c2c70b0b0a74732a43eac
sha512 36f12c3bfc10677b68343e3f187186e9bdfda442f31a398197d662bbfaf24254a409c70247f91be25705824fc4b52948cc695eaaddcf34c9e44be968118f2025
ripemd-160 6c79ea5ce10e195a3ca1779e3bedf8dba0cabcd3

21552405 as geometric shapes

Circle

Radius = n
Diameter 43104810
Circumference 135417754.43038
Area 1.4592891438371E+15

Sphere

Radius = n
Volume 4.193492085344E+22
Surface area 5.8371565753484E+15
Circumference 135417754.43038

Square

Length = n
Perimeter 86209620
Area 464506161284025
Diagonal 30479703.452758

Cube

Length = n
Surface area 2787036967704150
Volume 1.0011224912989E+22
Space diagonal 37329860.485302

Equilateral Triangle

Length = n
Perimeter 64657215
Area 2.0113706794318E+14
Altitude 18664930.242651

Triangular Pyramid

Length = n
Surface area 2.0113706794318E+14
Volume 1.1798341706597E+21
Height 10159901.150919