21308923 (number)

21308923 is an odd 8-digits composite number following 21308922 and preceding 21308924. In scientific notation, it is written as 2.1308923 × 10^7. The sum of its digits is 28. It has a total of 2 prime factors and 4 positive divisors. There are 21247168 positive integers (up to 21308923) that are relatively prime to 21308923.

Interesting facts

Basic properties

Name

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

Notation

Scientific notation 2.1308923 × 10^7
Engineering notation 2.1308923 × 10^6

Prime Factorization of 21308923

Prime Factorization 347 × 61409

Composite number
ω Distinct Factors 2
Total number of distinct prime factors
Ω Total Factors 2
Total number of prime factors
rad Radical 21308923
Product of the distinct prime numbers

The prime factorization of 21308923 is 347 × 61409. Since it has a total of 2 prime factors.

Most popular turbo-numbers

Basic calculations (n = 21308923)

Multiplication

n×y
n×2 42617846
n×3 63926769
n×4 85235692
n×5 106544615

Division

n÷y
n÷2 10654461.5
n÷3 7102974.3333333
n÷3 5327230.75
n÷5 4261784.6

Exponentiation

ny
n2 454070199419929
n3 9.6757469160339E+21
n4 2.0617974600125E+29
n5 4.3934683317003E+36

Nth Root

y√n
2√n 4616.1589010778
3√n 277.23868699406
4√n 67.942320398098
5√n 29.222159037634

Divisors of 21308923

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 -21308922
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 21308923 can be divided by 4 positive divisors. The sum of these divisors (counting 21308923) is 1, the average is 0.25.

Base conversion 21308923

Base System Value
2 Binary 1010001010010010111111011
3 Ternary 1111002121100101
4 Quaternary 1101102113323
5 Quinary 20423341143
6 Senary 2040420231
8 Octal 121222773
10 Decimal 21308923
12 Duodecimal 7177677
16 Hexadecimal 14525fb
20 Vigesimal 6d3c63
36 Base36 coq2j

Cryptographic Hash Functions

md5 14362227a9cb50f1e4d451cb9d7dfe3d
sha1 ff240de7d9e25f711a6a79ef955ee75f2b552db8
sha256 3a13de458b9f1c20791277f30c4b4dacbdba9e3b4b65fc793f7c9d2cd90f208f
sha512 604c407a59ca143fd6e97a5b6754483b96b82dc0119f50ab4dd5b024b60dc0fcc0b140a34c3f29f1b2cf29183c4d3b508e46fbc40cbbf03bc1be5b76204ed3a6
ripemd-160 ad95a134ffdc68b385fe058ecb61e95c4a6c2cea

21308923 as geometric shapes

Circle

Radius = n
Diameter 42617846
Circumference 133887911.90542
Area 1.4265036027117E+15

Sphere

Radius = n
Volume 4.0529673905875E+22
Surface area 5.7060144108468E+15
Circumference 133887911.90542

Square

Length = n
Perimeter 85235692
Area 454070199419929
Diagonal 30135367.906164

Cube

Length = n
Surface area 2724421196519574
Volume 9.6757469160339E+21
Space diagonal 36908137.290573

Equilateral Triangle

Length = n
Perimeter 63926769
Area 1.9661816389956E+14
Altitude 18454068.645287

Triangular Pyramid

Length = n
Surface area 1.9661816389956E+14
Volume 1.1402977095621E+21
Height 10045122.635388