21272821 (number)

21272821 is an odd 8-digits prime number following 21272820 and preceding 21272822. In scientific notation, it is written as 2.1272821 × 10^7. The sum of its digits is 25. It has a total of 1 prime factors and 2 positive divisors. There are 21272820 positive integers (up to 21272821) that are relatively prime to 21272821.

Interesting facts

Basic properties

Name

Name twenty-one million two hundred seventy-two thousand eight hundred twenty-one

Notation

Scientific notation 2.1272821 × 10^7
Engineering notation 2.1272821 × 10^6

Prime Factorization of 21272821

Prime Factorization 21272821

Composite number
ω Distinct Factors 1
Total number of distinct prime factors
Ω Total Factors 1
Total number of prime factors
rad Radical 21272821
Product of the distinct prime numbers

The prime factorization of 21272821 is 21272821. Since it has a total of 1 prime factors.

Most popular turbo-numbers

10, 6, 43, 50, 889, 259, 6351, 2170, 55636, 27412, 935893, 226581, 1546790, 7006716, 74539581, 68446888, 237729537, 183765193, 483400902, 464316969

Basic calculations (n = 21272821)

Multiplication

n×y
n×2 42545642
n×3 63818463
n×4 85091284
n×5 106364105

Division

n÷y
n÷2 10636410.5
n÷3 7090940.3333333
n÷3 5318205.25
n÷5 4254564.2

Exponentiation

ny
n2 452532913298041
n3 9.6266516611977E+21
n4 2.0478603761801E+29
n5 4.3563767215472E+36

Nth Root

y√n
2√n 4612.2468494217
3√n 277.08203072986
4√n 67.913524790145
5√n 29.212250568217

Divisors of 21272821

1, 21272821

2 divisors

τ Total Divisors 2
Total number of the positive divisors of n
σ Sum of Divisors 21272822
Sum of all the positive divisors of n
s Aliquot Sum 1
Sum of the proper positive divisors of n
A Arithmetic Mean 10636411
Returns the sum of divisors (σ(n)) divided by the total number of divisors (τ(n))
G Geometric Mean 4612.2469578287
Returns the nth root of the product of n divisors
H Harmonic Mean 1.9999999059833
Returns the total number of divisors (τ(n)) divided by the sum of the reciprocal of each divisors

The number 21272821 can be divided by 2 positive divisors. The sum of these divisors (counting 21272821) is 21272822, the average is 10636411.

Base conversion 21272821

Base System Value
2 Binary 1010001001001100011110101
3 Ternary 1111000202211021
4 Quaternary 1101021203311
5 Quinary 20421212241
6 Senary 2035541141
8 Octal 121114365
10 Decimal 21272821
12 Duodecimal 715a7b1
16 Hexadecimal 14498f5
20 Vigesimal 6cj211
36 Base36 cny7p

Cryptographic Hash Functions

md5 660c735dd68635132412751701e6bda9
sha1 5bb247c1cf4e2994a7cd3f02e114e875578b36be
sha256 25c56171efd811ca029e6a230f1ac85ef01fa164ab29428af5743625a4c8c944
sha512 23250b5b3c40c0fd673790fe9b2d51d16a5b32e1397f0a77ca0ceb98c8b827e9dce69ad93ce5bd105f75049adad04a25d73031ff18946e7104a34839f7acf7b4
ripemd-160 9bf6975e46e2c68fc5eed4b55dc8f0239bc82b06

21272821 as geometric shapes

Circle

Radius = n
Diameter 42545642
Circumference 133661076.34946
Area 1.4216740759247E+15

Sphere

Radius = n
Volume 4.0324024183316E+22
Surface area 5.6866963036988E+15
Circumference 133661076.34946

Square

Length = n
Perimeter 85091284
Area 452532913298041
Diagonal 30084311.968135

Cube

Length = n
Surface area 2715197479788246
Volume 9.6266516611977E+21
Space diagonal 36845606.792318

Equilateral Triangle

Length = n
Perimeter 63818463
Area 1.9595249948234E+14
Altitude 18422803.396159

Triangular Pyramid

Length = n
Surface area 1.9595249948234E+14
Volume 1.1345117782923E+21
Height 10028103.989378