21007923 (number)

21007923 is an odd 8-digits composite number following 21007922 and preceding 21007924. In scientific notation, it is written as 2.1007923 × 10^7. The sum of its digits is 24. It has a total of 2 prime factors and 4 positive divisors. There are 14005280 positive integers (up to 21007923) that are relatively prime to 21007923.

Interesting facts

Basic properties

Name

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

Notation

Scientific notation 2.1007923 × 10^7
Engineering notation 2.1007923 × 10^6

Prime Factorization of 21007923

Prime Factorization 3 × 7002641

Composite number
ω Distinct Factors 2
Total number of distinct prime factors
Ω Total Factors 2
Total number of prime factors
rad Radical 21007923
Product of the distinct prime numbers

The prime factorization of 21007923 is 3 × 7002641. Since it has a total of 2 prime factors.

Most popular turbo-numbers

Basic calculations (n = 21007923)

Multiplication

n×y
n×2 42015846
n×3 63023769
n×4 84031692
n×5 105039615

Division

n÷y
n÷2 10503961.5
n÷3 7002641
n÷3 5251980.75
n÷5 4201584.6

Exponentiation

ny
n2 441332828773929
n3 9.2714860842549E+21
n4 1.947746657536E+29
n5 4.0918111805023E+36

Nth Root

y√n
2√n 4583.4400836053
3√n 275.92711003145
4√n 67.701108437051
5√n 29.139132843874

Divisors of 21007923

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 -21007922
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 21007923 can be divided by 4 positive divisors. The sum of these divisors (counting 21007923) is 1, the average is 0.25.

Base conversion 21007923

Base System Value
2 Binary 1010000001000111000110011
3 Ternary 1110112022110020
4 Quaternary 1100020320303
5 Quinary 20334223143
6 Senary 2030134523
8 Octal 120107063
10 Decimal 21007923
12 Duodecimal 7051443
16 Hexadecimal 1408e33
20 Vigesimal 6b5jg3
36 Base36 ci9tf

Cryptographic Hash Functions

md5 350cba8f77551cf6b84322a3cfb748e0
sha1 2a8bf16b3a9d021a779156e40f92fcba84f58fe3
sha256 8d42d9cb04a126958795921311949ca1407a78341b46bce672d60ab5da3c6145
sha512 3f1a920d5d9ee097f571f2bb4343f4e220c0aec6a98c1e980915021e3d8bd6b95eb643c86337d8ac09b890e6e4f362b575a1e4d3077f7de928e890feb8ec0731
ripemd-160 800ef01dbb85aeeea6420c2851662b1797d45900

21007923 as geometric shapes

Circle

Radius = n
Diameter 42015846
Circumference 131996673.12796
Area 1.3864879726642E+15

Sphere

Radius = n
Volume 3.883631009354E+22
Surface area 5.5459518906567E+15
Circumference 131996673.12796

Square

Length = n
Perimeter 84031692
Area 441332828773929
Diagonal 29709689.62389

Cube

Length = n
Surface area 2647996972643574
Volume 9.2714860842549E+21
Space diagonal 36386789.997495

Equilateral Triangle

Length = n
Perimeter 63023769
Area 1.9110272062114E+14
Altitude 18193394.998747

Triangular Pyramid

Length = n
Surface area 1.9110272062114E+14
Volume 1.0926551136422E+21
Height 9903229.8746299