21094781 (number)

21094781 is an odd 8-digits composite number following 21094780 and preceding 21094782. In scientific notation, it is written as 2.1094781 × 10^7. The sum of its digits is 32. It has a total of 2 prime factors and 4 positive divisors. There are 21084864 positive integers (up to 21094781) that are relatively prime to 21094781.

Interesting facts

Basic properties

Name

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

Notation

Scientific notation 2.1094781 × 10^7
Engineering notation 2.1094781 × 10^6

Prime Factorization of 21094781

Prime Factorization 3089 × 6829

Composite number
ω Distinct Factors 2
Total number of distinct prime factors
Ω Total Factors 2
Total number of prime factors
rad Radical 21094781
Product of the distinct prime numbers

The prime factorization of 21094781 is 3089 × 6829. Since it has a total of 2 prime factors.

Most popular turbo-numbers

Basic calculations (n = 21094781)

Multiplication

n×y
n×2 42189562
n×3 63284343
n×4 84379124
n×5 105473905

Division

n÷y
n÷2 10547390.5
n÷3 7031593.6666667
n÷3 5273695.25
n÷5 4218956.2

Exponentiation

ny
n2 444989785437961
n3 9.3869620710508E+21
n4 1.9801590914412E+29
n5 4.1771022379112E+36

Nth Root

y√n
2√n 4592.9055074103
3√n 276.30686393829
4√n 67.770978356597
5√n 29.163188448091

Divisors of 21094781

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 -21094780
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 21094781 can be divided by 4 positive divisors. The sum of these divisors (counting 21094781) is 1, the average is 0.25.

Base conversion 21094781

Base System Value
2 Binary 1010000011110000101111101
3 Ternary 1110200201121012
4 Quaternary 1100132011331
5 Quinary 20400013111
6 Senary 2032045005
8 Octal 120360575
10 Decimal 21094781
12 Duodecimal 7093765
16 Hexadecimal 141e17d
20 Vigesimal 6bggj1
36 Base36 ck4u5

Cryptographic Hash Functions

md5 e6807b25a46995994cfe3f847907f4a7
sha1 87b6075912f005b473bb1405d8b4d2773e258d92
sha256 5310a9412bd3b0fd38578dca227ac9ec8288808ae0a837fcd908e40db0260975
sha512 3b16530f47c91964eea815238bc5d4ec82c0301cfac1f58def9e215629576f486e9b8546e7288a988ba48e22ac614c267960e5c602ba73f735e81895ff981e4b
ripemd-160 252b6aba3df3747f85e0cacb0025f5d01c13da9c

21094781 as geometric shapes

Circle

Radius = n
Diameter 42189562
Circumference 132542418.03737
Area 1.3979766408544E+15

Sphere

Radius = n
Volume 3.9320014775919E+22
Surface area 5.5919065634176E+15
Circumference 132542418.03737

Square

Length = n
Perimeter 84379124
Area 444989785437961
Diagonal 29832525.38549

Cube

Length = n
Surface area 2669938712627766
Volume 9.3869620710508E+21
Space diagonal 36537232.466539

Equilateral Triangle

Length = n
Perimeter 63284343
Area 1.9268622930693E+14
Altitude 18268616.233269

Triangular Pyramid

Length = n
Surface area 1.9268622930693E+14
Volume 1.1062640891968E+21
Height 9944175.1284968