21007924 (number)

21007924 is an even 8-digits composite number following 21007923 and preceding 21007925. In scientific notation, it is written as 2.1007924 × 10^7. The sum of its digits is 25. It has a total of 5 prime factors and 24 positive divisors. There are 8611680 positive integers (up to 21007924) that are relatively prime to 21007924.

Interesting facts

Basic properties

Name

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

Notation

Scientific notation 2.1007924 × 10^7
Engineering notation 2.1007924 × 10^6

Prime Factorization of 21007924

Prime Factorization 2 × 2 × 7 × 23 × 32621

Composite number
ω Distinct Factors 4
Total number of distinct prime factors
Ω Total Factors 5
Total number of prime factors
rad Radical 10503962
Product of the distinct prime numbers

The prime factorization of 21007924 is 2 × 2 × 7 × 23 × 32621. Since it has a total of 5 prime factors.

Most popular turbo-numbers

8, 3, 65, 94, 535, 392, 9149, 4618, 12186, 93458, 669127, 13094, 7958220, 7402200, 15743888, 54137829, 269913576, 366706266, 7460166510, 2217594556

Basic calculations (n = 21007924)

Multiplication

n×y
n×2 42015848
n×3 63023772
n×4 84031696
n×5 105039620

Division

n÷y
n÷2 10503962
n÷3 7002641.3333333
n÷3 5251981
n÷5 4201584.8

Exponentiation

ny
n2 441332870789776
n3 9.2714874082534E+21
n4 1.9477470283955E+29
n5 4.0918121543757E+36

Nth Root

y√n
2√n 4583.4401926937
3√n 275.92711440959
4√n 67.701109242713
5√n 29.139133121285

Divisors of 21007924

1, 2, 4, 7, 14, 23, 28, 46, 92, 161, 322, 644, 32621, 65242, 130484, 228347, 456694, 750283, 913388, 1500566, 3001132, 5251981, 10503962, 21007924

24 divisors

τ Total Divisors 24
Total number of the positive divisors of n
σ Sum of Divisors 1
Sum of all the positive divisors of n
s Aliquot Sum -21007923
Sum of the proper positive divisors of n
A Arithmetic Mean 0.041666666666667
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 24
Returns the total number of divisors (τ(n)) divided by the sum of the reciprocal of each divisors

The number 21007924 can be divided by 24 positive divisors. The sum of these divisors (counting 21007924) is 1, the average is 0.041666666666667.

Base conversion 21007924

Base System Value
2 Binary 1010000001000111000110100
3 Ternary 1110112022110021
4 Quaternary 1100020320310
5 Quinary 20334223144
6 Senary 2030134524
8 Octal 120107064
10 Decimal 21007924
12 Duodecimal 7051444
16 Hexadecimal 1408e34
20 Vigesimal 6b5jg4
36 Base36 ci9tg

Cryptographic Hash Functions

md5 f20f3434f2180e3df0e14fc1844d7e4a
sha1 6b68990c1dc5c25514ddd07413da0c24a4e6f5f4
sha256 56029b203f113fe6eeffc3b4cfd7c5f25415694f49e4fbdfc6e490b1b262a63d
sha512 52aba99034f02b23a48ffa35fbff0f0a3728df05cf928f0d4eaa4a5c8c0632ffb777fcf967ae8812ff33210d98434e0c6e6079647a8cd7295e798e470522aaf5
ripemd-160 33a15322ad1d95d92d7d20187238018a39d0c58a

21007924 as geometric shapes

Circle

Radius = n
Diameter 42015848
Circumference 131996679.41115
Area 1.3864881046609E+15

Sphere

Radius = n
Volume 3.8836315639492E+22
Surface area 5.5459524186434E+15
Circumference 131996679.41115

Square

Length = n
Perimeter 84031696
Area 441332870789776
Diagonal 29709691.038103

Cube

Length = n
Surface area 2647997224738656
Volume 9.2714874082534E+21
Space diagonal 36386791.729546

Equilateral Triangle

Length = n
Perimeter 63023772
Area 1.9110273881453E+14
Altitude 18193395.864773

Triangular Pyramid

Length = n
Surface area 1.9110273881453E+14
Volume 1.0926552696769E+21
Height 9903230.3460344