21081823 (number)

21081823 is an odd 8-digits composite number following 21081822 and preceding 21081824. In scientific notation, it is written as 2.1081823 × 10^7. The sum of its digits is 25. It has a total of 4 prime factors and 16 positive divisors. There are 16812576 positive integers (up to 21081823) that are relatively prime to 21081823.

Interesting facts

Basic properties

Name

Name twenty-one million eighty-one thousand eight hundred twenty-three

Notation

Scientific notation 2.1081823 × 10^7
Engineering notation 2.1081823 × 10^6

Prime Factorization of 21081823

Prime Factorization 7 × 23 × 37 × 3539

Composite number
ω Distinct Factors 4
Total number of distinct prime factors
Ω Total Factors 4
Total number of prime factors
rad Radical 21081823
Product of the distinct prime numbers

The prime factorization of 21081823 is 7 × 23 × 37 × 3539. Since it has a total of 4 prime factors.

Most popular turbo-numbers

9, 4, 4, 52, 68, 508, 8192, 9712, 29397, 9767, 408771, 425099, 2098314, 9172608, 66041429, 66173988, 30647289, 57304014, 1690174652, 7585262282

Basic calculations (n = 21081823)

Multiplication

n×y
n×2 42163646
n×3 63245469
n×4 84327292
n×5 105409115

Division

n÷y
n÷2 10540911.5
n÷3 7027274.3333333
n÷3 5270455.75
n÷5 4216364.6

Exponentiation

ny
n2 444443261003329
n3 9.369674162015E+21
n4 1.9752981225127E+29
n5 4.1642885391046E+36

Nth Root

y√n
2√n 4591.4946368258
3√n 276.25027620209
4√n 67.760568451171
5√n 29.159604722969

Divisors of 21081823

1, 7, 23, 37, 161, 259, 851, 3539, 5957, 24773, 81397, 130943, 569779, 916601, 3011689, 21081823

16 divisors

τ Total Divisors 16
Total number of the positive divisors of n
σ Sum of Divisors 1
Sum of all the positive divisors of n
s Aliquot Sum -21081822
Sum of the proper positive divisors of n
A Arithmetic Mean 0.0625
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 16
Returns the total number of divisors (τ(n)) divided by the sum of the reciprocal of each divisors

The number 21081823 can be divided by 16 positive divisors. The sum of these divisors (counting 21081823) is 1, the average is 0.0625.

Base conversion 21081823

Base System Value
2 Binary 1010000011010111011011111
3 Ternary 1110200001211021
4 Quaternary 1100122323133
5 Quinary 20344104243
6 Senary 2031505011
8 Octal 120327337
10 Decimal 21081823
12 Duodecimal 7088167
16 Hexadecimal 141aedf
20 Vigesimal 6bf4b3
36 Base36 cjuu7

Cryptographic Hash Functions

md5 283b260d8c2554308f4a4b3859254be8
sha1 dcc0ae162b34e59c0e70c7f1f40ec38006055ded
sha256 2f8cd964c1521dd88b1f1a7bc11b6db599a08e191427db8a70018314804ce098
sha512 f14f291ced9390b1ca79d51a1cdf1d5f2c5a8dcf92feadf52e5b9b80236d71346b3453515a99279dcc71cf577947e16a36fe3e5d97125c949ffa6cd84049953d
ripemd-160 39d120691a0a65375c4340a6b234dabc2cde281a

21081823 as geometric shapes

Circle

Radius = n
Diameter 42163646
Circumference 132461000.52216
Area 1.3962596837055E+15

Sphere

Radius = n
Volume 3.9247599351889E+22
Surface area 5.5850387348222E+15
Circumference 132461000.52216

Square

Length = n
Perimeter 84327292
Area 444443261003329
Diagonal 29814200.006149

Cube

Length = n
Surface area 2666659566019974
Volume 9.369674162015E+21
Space diagonal 36514788.552174

Equilateral Triangle

Length = n
Perimeter 63245469
Area 1.9244957728484E+14
Altitude 18257394.276087

Triangular Pyramid

Length = n
Surface area 1.9244957728484E+14
Volume 1.1042266895782E+21
Height 9938066.6687164