21081097 (number)

21081097 is an odd 8-digits composite number following 21081096 and preceding 21081098. In scientific notation, it is written as 2.1081097 × 10^7. The sum of its digits is 28. It has a total of 2 prime factors and 4 positive divisors. There are 21027600 positive integers (up to 21081097) that are relatively prime to 21081097.

Interesting facts

Basic properties

Name

Name twenty-one million eighty-one thousand ninety-seven

Notation

Scientific notation 2.1081097 × 10^7
Engineering notation 2.1081097 × 10^6

Prime Factorization of 21081097

Prime Factorization 397 × 53101

Composite number
ω Distinct Factors 2
Total number of distinct prime factors
Ω Total Factors 2
Total number of prime factors
rad Radical 21081097
Product of the distinct prime numbers

The prime factorization of 21081097 is 397 × 53101. Since it has a total of 2 prime factors.

Most popular turbo-numbers

4, 5, 89, 51, 866, 828, 4111, 1703, 46949, 23643, 81699, 416751, 6986477, 3943443, 32461242, 55072217, 100346403, 35516820, 3204639815, 544926391

Basic calculations (n = 21081097)

Multiplication

n×y
n×2 42162194
n×3 63243291
n×4 84324388
n×5 105405485

Division

n÷y
n÷2 10540548.5
n÷3 7027032.3333333
n÷3 5270274.25
n÷5 4216219.4

Exponentiation

ny
n2 444412650723409
n3 9.3687061979273E+21
n4 1.9750260412301E+29
n5 4.1635715552697E+36

Nth Root

y√n
2√n 4591.4155769218
3√n 276.24710506579
4√n 67.759985071735
5√n 29.159403884885

Divisors of 21081097

1, 397, 53101, 21081097

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 -21081096
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 21081097 can be divided by 4 positive divisors. The sum of these divisors (counting 21081097) is 1, the average is 0.25.

Base conversion 21081097

Base System Value
2 Binary 1010000011010110000001001
3 Ternary 1110200000211101
4 Quaternary 1100122300021
5 Quinary 20344043342
6 Senary 2031501401
8 Octal 120326011
10 Decimal 21081097
12 Duodecimal 7087861
16 Hexadecimal 141ac09
20 Vigesimal 6bf2eh
36 Base36 cjua1

Cryptographic Hash Functions

md5 0132a5426ebe0ce342d20c6b2d700b80
sha1 6c6683c9c6b5f227daa974f95b1712711f2c39a9
sha256 18e3c3ddb31448c4310023c553d957923fbfc5bd3ccda0c3cf86d9a3b27ff2f8
sha512 b04ed700af7fe2e946458013baf4b0a048716fb957b2a8513c55ef073f9855c94f0a8f0c6e94b242a60dd3901a474614e28d75969c20edf442a91b478b7526cd
ripemd-160 a6bb3a397548ed48b573d677926e2b09118324fa

21081097 as geometric shapes

Circle

Radius = n
Diameter 42162194
Circumference 132456438.92963
Area 1.396163518675E+15

Sphere

Radius = n
Volume 3.9243544753399E+22
Surface area 5.5846540747001E+15
Circumference 132456438.92963

Square

Length = n
Perimeter 84324388
Area 444412650723409
Diagonal 29813173.287103

Cube

Length = n
Surface area 2666475904340454
Volume 9.3687061979273E+21
Space diagonal 36513531.083288

Equilateral Triangle

Length = n
Perimeter 63243291
Area 1.9243632264483E+14
Altitude 18256765.541644

Triangular Pyramid

Length = n
Surface area 1.9243632264483E+14
Volume 1.1041126139165E+21
Height 9937724.4290343