21001440 (number)

21001440 is an even 8-digits composite number following 21001439 and preceding 21001441. In scientific notation, it is written as 2.1001440 × 10^7. The sum of its digits is 12. It has a total of 7 prime factors and 24 positive divisors. There are 5600256 positive integers (up to 21001440) that are relatively prime to 21001440.

Interesting facts

Basic properties

Name

Name twenty-one million one thousand four hundred forty

Notation

Scientific notation 2.1001440 × 10^7
Engineering notation 2.1001440 × 10^6

Prime Factorization of 21001440

Prime Factorization 2 × 2 × 2 × 2 × 2 × 15 × 43753

Composite number
ω Distinct Factors 3
Total number of distinct prime factors
Ω Total Factors 7
Total number of prime factors
rad Radical 1312590
Product of the distinct prime numbers

The prime factorization of 21001440 is 2 × 2 × 2 × 2 × 2 × 15 × 43753. Since it has a total of 7 prime factors.

Most popular turbo-numbers

9, 6, 72, 66, 387, 795, 9142, 6678, 21374, 10963, 705161, 307554, 3720136, 1397730, 96221342, 61208993, 319601253, 831405683, 5973306345, 5255935856

Basic calculations (n = 21001440)

Multiplication

n×y
n×2 42002880
n×3 63004320
n×4 84005760
n×5 105007200

Division

n÷y
n÷2 10500720
n÷3 7000480
n÷3 5250360
n÷5 4200288

Exponentiation

ny
n2 441060482073600
n3 9.2629052506398E+21
n4 1.94534348847E+29
n5 4.0855014552493E+36

Nth Root

y√n
2√n 4582.7328091435
3√n 275.89872360638
4√n 67.695884728272
5√n 29.137334167048

Divisors of 21001440

1, 2, 4, 8, 15, 16, 30, 32, 60, 120, 240, 480, 43753, 87506, 175012, 350024, 656295, 700048, 1312590, 1400096, 2625180, 5250360, 10500720, 21001440

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 -21001439
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 21001440 can be divided by 24 positive divisors. The sum of these divisors (counting 21001440) is 1, the average is 0.041666666666667.

Base conversion 21001440

Base System Value
2 Binary 1010000000111010011100000
3 Ternary 1110111222120010
4 Quaternary 1100013103200
5 Quinary 20334021230
6 Senary 2030044520
8 Octal 120072340
10 Decimal 21001440
12 Duodecimal 7049740
16 Hexadecimal 14074e0
20 Vigesimal 6b53c0
36 Base36 ci4tc

Cryptographic Hash Functions

md5 fdf0bffa655ff803da87a9e05c55c2c1
sha1 19196185a90a2e627916b20b04c1ef73efd300ad
sha256 fbc896f1cab5c55eac6ab7947264fa44704748b901bff21cf57118bf9cb8e65d
sha512 e9bd1f5bdc3712eb50f786205b4462692fa0db2d9c62174bb62258bc34b1fb4ae0cf3cfdc17b65c33e30b754107f81dff655f2d61d58f475e576db338c480c34
ripemd-160 336d31527a1382b7930e62d1fcf6d297d5779e31

21001440 as geometric shapes

Circle

Radius = n
Diameter 42002880
Circumference 131955939.23761
Area 1.3856323702712E+15

Sphere

Radius = n
Volume 3.8800366781744E+22
Surface area 5.5425294810848E+15
Circumference 131955939.23761

Square

Length = n
Perimeter 84005760
Area 441060482073600
Diagonal 29700521.277365

Cube

Length = n
Surface area 2646362892441600
Volume 9.2629052506398E+21
Space diagonal 36375561.112109

Equilateral Triangle

Length = n
Perimeter 63004320
Area 1.9098479104057E+14
Altitude 18187780.556055

Triangular Pyramid

Length = n
Surface area 1.9098479104057E+14
Volume 1.0916438527026E+21
Height 9900173.7591216