21453265 (number)

21453265 is an odd 8-digits composite number following 21453264 and preceding 21453266. In scientific notation, it is written as 2.1453265 × 10^7. The sum of its digits is 28. It has a total of 3 prime factors and 8 positive divisors. There are 17052672 positive integers (up to 21453265) that are relatively prime to 21453265.

Interesting facts

Basic properties

Name

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

Notation

Scientific notation 2.1453265 × 10^7
Engineering notation 2.1453265 × 10^6

Prime Factorization of 21453265

Prime Factorization 5 × 157 × 27329

Composite number
ω Distinct Factors 3
Total number of distinct prime factors
Ω Total Factors 3
Total number of prime factors
rad Radical 21453265
Product of the distinct prime numbers

The prime factorization of 21453265 is 5 × 157 × 27329. Since it has a total of 3 prime factors.

Most popular turbo-numbers

Basic calculations (n = 21453265)

Multiplication

n×y
n×2 42906530
n×3 64359795
n×4 85813060
n×5 107266325

Division

n÷y
n÷2 10726632.5
n÷3 7151088.3333333
n÷3 5363316.25
n÷5 4290653

Exponentiation

ny
n2 460242579160225
n3 9.8737060150078E+21
n4 2.1182323167206E+29
n5 4.544299922217E+36

Nth Root

y√n
2√n 4631.7669414598
3√n 277.86326367427
4√n 68.057085901909
5√n 29.261641112123

Divisors of 21453265

8 divisors

τ Total Divisors 8
Total number of the positive divisors of n
σ Sum of Divisors 1
Sum of all the positive divisors of n
s Aliquot Sum -21453264
Sum of the proper positive divisors of n
A Arithmetic Mean 0.125
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 8
Returns the total number of divisors (τ(n)) divided by the sum of the reciprocal of each divisors

The number 21453265 can be divided by 8 positive divisors. The sum of these divisors (counting 21453265) is 1, the average is 0.125.

Base conversion 21453265

Base System Value
2 Binary 1010001110101100111010001
3 Ternary 1111100221100101
4 Quaternary 1101311213101
5 Quinary 20443001030
6 Senary 2043452401
8 Octal 121654721
10 Decimal 21453265
12 Duodecimal 7227101
16 Hexadecimal 14759d1
20 Vigesimal 6e1d35
36 Base36 crtg1

Cryptographic Hash Functions

md5 f921a4934afad28179f49fd379c038aa
sha1 0baa446c4c8b7ff8e70f1914f6de6f28d15eb2e3
sha256 9f1f9f5cf0009e6e0e861a1c723ab765e48b04d2ed0a74c350b6b54196e99cfa
sha512 276b8a4ebb2db75606b3ac76154b4f74750e6657f6794fff8ed85c4ada1cb6235df58a8cfc8043ed3ea4d3ef4f1a8dad6f273de1cf7a1a5133a639b6cd9338d2
ripemd-160 2f9543cd3068814fbcbc50f8e0d02d1146c1c9f0

21453265 as geometric shapes

Circle

Radius = n
Diameter 42906530
Circumference 134794839.43903
Area 1.445894705559E+15

Sphere

Radius = n
Volume 4.1358883040605E+22
Surface area 5.7835788222359E+15
Circumference 134794839.43903

Square

Length = n
Perimeter 85813060
Area 460242579160225
Diagonal 30339498.320184

Cube

Length = n
Surface area 2761455474961350
Volume 9.8737060150078E+21
Space diagonal 37158144.968239

Equilateral Triangle

Length = n
Perimeter 64359795
Area 1.9929088272801E+14
Altitude 18579072.48412

Triangular Pyramid

Length = n
Surface area 1.9929088272801E+14
Volume 1.1636274131091E+21
Height 10113166.106728