21305437 (number)

21305437 is an odd 8-digits composite number following 21305436 and preceding 21305438. In scientific notation, it is written as 2.1305437 × 10^7. The sum of its digits is 25. It has a total of 2 prime factors and 4 positive divisors. There are 20052160 positive integers (up to 21305437) that are relatively prime to 21305437.

Interesting facts

Basic properties

Name

Name twenty-one million three hundred five thousand four hundred thirty-seven

Notation

Scientific notation 2.1305437 × 10^7
Engineering notation 2.1305437 × 10^6

Prime Factorization of 21305437

Prime Factorization 17 × 1253261

Composite number
ω Distinct Factors 2
Total number of distinct prime factors
Ω Total Factors 2
Total number of prime factors
rad Radical 21305437
Product of the distinct prime numbers

The prime factorization of 21305437 is 17 × 1253261. Since it has a total of 2 prime factors.

Most popular turbo-numbers

Basic calculations (n = 21305437)

Multiplication

n×y
n×2 42610874
n×3 63916311
n×4 85221748
n×5 106527185

Division

n÷y
n÷2 10652718.5
n÷3 7101812.3333333
n÷3 5326359.25
n÷5 4261087.4

Exponentiation

ny
n2 453921645760969
n3 9.6709990266966E+21
n4 2.0604486049035E+29
n5 4.3898757943509E+36

Nth Root

y√n
2√n 4615.7812989785
3√n 277.22356802614
4√n 67.939541498148
5√n 29.221202864363

Divisors of 21305437

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 -21305436
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 21305437 can be divided by 4 positive divisors. The sum of these divisors (counting 21305437) is 1, the average is 0.25.

Base conversion 21305437

Base System Value
2 Binary 1010001010001100001011101
3 Ternary 1111002102120021
4 Quaternary 1101101201131
5 Quinary 20423233222
6 Senary 2040352141
8 Octal 121214135
10 Decimal 21305437
12 Duodecimal 7175651
16 Hexadecimal 145185d
20 Vigesimal 6d33bh
36 Base36 condp

Cryptographic Hash Functions

md5 be78ea472093ae5bab534d52aed2002b
sha1 685a72f1e111ac00e5b5eb52d32c61ebab869b74
sha256 3dbfde6ee3d1e0a6a0763b0fd86cafc3fb19c989830a32c79d805662ed8d9237
sha512 f97f0fcac9898be21ac8e403c77d590a470f105a737ea88160a15c13411dbd48e7a9f2d1604ac6e3df993413754262bc6ec4271637416f66a76d2d9ee00d9370
ripemd-160 44638f9685f820ee3ff1ecd19476b00f775d3a34

21305437 as geometric shapes

Circle

Radius = n
Diameter 42610874
Circumference 133866008.72144
Area 1.426036907628E+15

Sphere

Radius = n
Volume 4.0509785993526E+22
Surface area 5.7041476305122E+15
Circumference 133866008.72144

Square

Length = n
Perimeter 85221748
Area 453921645760969
Diagonal 30130437.957686

Cube

Length = n
Surface area 2723529874565814
Volume 9.6709990266966E+21
Space diagonal 36902099.361458

Equilateral Triangle

Length = n
Perimeter 63916311
Area 1.9655383827832E+14
Altitude 18451049.680729

Triangular Pyramid

Length = n
Surface area 1.9655383827832E+14
Volume 1.1397381654376E+21
Height 10043479.319229