21395265 (number)

21395265 is an odd 8-digits composite number following 21395264 and preceding 21395266. In scientific notation, it is written as 2.1395265 × 10^7. The sum of its digits is 33. It has a total of 3 prime factors and 8 positive divisors. There are 10739456 positive integers (up to 21395265) that are relatively prime to 21395265.

Interesting facts

Basic properties

Name

Name twenty-one million three hundred ninety-five thousand two hundred sixty-five

Notation

Scientific notation 2.1395265 × 10^7
Engineering notation 2.1395265 × 10^6

Prime Factorization of 21395265

Prime Factorization 15 × 17 × 83903

Composite number
ω Distinct Factors 3
Total number of distinct prime factors
Ω Total Factors 3
Total number of prime factors
rad Radical 21395265
Product of the distinct prime numbers

The prime factorization of 21395265 is 15 × 17 × 83903. Since it has a total of 3 prime factors.

Most popular turbo-numbers

Basic calculations (n = 21395265)

Multiplication

n×y
n×2 42790530
n×3 64185795
n×4 85581060
n×5 106976325

Division

n÷y
n÷2 10697632.5
n÷3 7131755
n÷3 5348816.25
n÷5 4279053

Exponentiation

ny
n2 457757364420225
n3 9.7938401174723E+21
n4 2.0954180468095E+29
n5 4.4832024397272E+36

Nth Root

y√n
2√n 4625.5015944219
3√n 277.61263182117
4√n 68.011040239228
5√n 29.245801905109

Divisors of 21395265

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 -21395264
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 21395265 can be divided by 8 positive divisors. The sum of these divisors (counting 21395265) is 1, the average is 0.125.

Base conversion 21395265

Base System Value
2 Binary 1010001100111011101000001
3 Ternary 1111020222210020
4 Quaternary 1101213131001
5 Quinary 20434122030
6 Senary 2042324053
8 Octal 121473501
10 Decimal 21395265
12 Duodecimal 71b9629
16 Hexadecimal 1467741
20 Vigesimal 6de835
36 Base36 cqkox

Cryptographic Hash Functions

md5 8f5a335dfd97e38a41488c1eb7451da5
sha1 392c0de0de84f3e9719a3c04242b78425aedcf94
sha256 c03f09a08239c82e73ae89925891e24cc84876e9867c1dda0613d95157c6722e
sha512 08e6790d0b392092bae84cf1dd51515367aac24eb7fe4d7941ceea59539c8440cadce4b1d26805eb3ac39284bbe2452784729dfb5632f152891acf6016a2f615
ripemd-160 85f58af8617ad6d1f7ac1a977e682f1bbf180e60

21395265 as geometric shapes

Circle

Radius = n
Diameter 42790530
Circumference 134430414.69121
Area 1.4380871731892E+15

Sphere

Radius = n
Volume 4.1024341551312E+22
Surface area 5.7523486927568E+15
Circumference 134430414.69121

Square

Length = n
Perimeter 85581060
Area 457757364420225
Diagonal 30257473.933566

Cube

Length = n
Surface area 2746544186521350
Volume 9.7938401174723E+21
Space diagonal 37057686.0214

Equilateral Triangle

Length = n
Perimeter 64185795
Area 1.9821475317866E+14
Altitude 18528843.0107

Triangular Pyramid

Length = n
Surface area 1.9821475317866E+14
Volume 1.1542151268203E+21
Height 10085824.644522