21000440 (number)

21000440 is an even 8-digits composite number following 21000439 and preceding 21000441. In scientific notation, it is written as 2.1000440 × 10^7. The sum of its digits is 11. It has a total of 7 prime factors and 64 positive divisors. There are 7794688 positive integers (up to 21000440) that are relatively prime to 21000440.

Interesting facts

Basic properties

Name

Name twenty-one million four hundred forty

Notation

Scientific notation 2.1000440 × 10^7
Engineering notation 2.1000440 × 10^6

Prime Factorization of 21000440

Prime Factorization 2 × 2 × 2 × 5 × 17 × 347 × 89

Composite number
ω Distinct Factors 5
Total number of distinct prime factors
Ω Total Factors 7
Total number of prime factors
rad Radical 5250110
Product of the distinct prime numbers

The prime factorization of 21000440 is 2 × 2 × 2 × 5 × 17 × 347 × 89. Since it has a total of 7 prime factors.

Most popular turbo-numbers

2, 10, 39, 56, 157, 657, 9993, 7826, 58165, 30757, 414529, 427644, 9197452, 2584325, 61442620, 16440224, 212910869, 906074351, 3347630341, 3361578640

Basic calculations (n = 21000440)

Multiplication

n×y
n×2 42000880
n×3 63001320
n×4 84001760
n×5 105002200

Division

n÷y
n÷2 10500220
n÷3 7000146.6666667
n÷3 5250110
n÷5 4200088

Exponentiation

ny
n2 441018480193600
n3 9.2615821321969E+21
n4 1.9449729987227E+29
n5 4.0845288761297E+36

Nth Root

y√n
2√n 4582.6237026402
3√n 275.89434449233
4√n 67.695078865751
5√n 29.137056682369

Divisors of 21000440

1, 2, 4, 5, 8, 10, 17, 20, 34, 40, 68, 85, 89, 136, 170, 178, 340, 347, 356, 445, 680, 694, 712, 890, 1388, 1513, 1735, 1780, 2776, 3026, 3470, 3560, 5899, 6052, 6940, 7565, 11798, 12104, 13880, 15130, 23596, 29495, 30260, 30883, 47192, 58990, 60520, 61766, 117980, 123532, 154415, 235960, 247064, 308830, 525011, 617660, 1050022, 1235320, 2100044, 2625055, 4200088, 5250110, 10500220, 21000440

64 divisors

τ Total Divisors 64
Total number of the positive divisors of n
σ Sum of Divisors 1
Sum of all the positive divisors of n
s Aliquot Sum -21000439
Sum of the proper positive divisors of n
A Arithmetic Mean 0.015625
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 64
Returns the total number of divisors (τ(n)) divided by the sum of the reciprocal of each divisors

The number 21000440 can be divided by 64 positive divisors. The sum of these divisors (counting 21000440) is 1, the average is 0.015625.

Base conversion 21000440

Base System Value
2 Binary 1010000000111000011111000
3 Ternary 1110111221012002
4 Quaternary 1100013003320
5 Quinary 20334003230
6 Senary 2030040132
8 Octal 120070370
10 Decimal 21000440
12 Duodecimal 7049048
16 Hexadecimal 14070f8
20 Vigesimal 6b5120
36 Base36 ci41k

Cryptographic Hash Functions

md5 c203ef861a2f1669a8c9c829e6d32550
sha1 568a25ca96cf0d8c4ce6460227bde56ac358d109
sha256 82e9aeb7062458d24bdc361ce32ceb07ceb713df82548f0f80e66ae85de2acc8
sha512 c960062ece713604103a16352e970384fe65827a5e5b4d9299d3695378a7f245ac0c88a62cd180bdd0abde5c04434e0cd4a4e6c83930e0126ddd2b0028027400
ripemd-160 22806785739ad57a2abd32a5d830e6916f8d1e7f

21000440 as geometric shapes

Circle

Radius = n
Diameter 42000880
Circumference 131949656.05231
Area 1.3855004174735E+15

Sphere

Radius = n
Volume 3.8794824516171E+22
Surface area 5.5420016698942E+15
Circumference 131949656.05231

Square

Length = n
Perimeter 84001760
Area 441018480193600
Diagonal 29699107.063802

Cube

Length = n
Surface area 2646110881161600
Volume 9.2615821321969E+21
Space diagonal 36373829.061302

Equilateral Triangle

Length = n
Perimeter 63001320
Area 1.9096660369303E+14
Altitude 18186914.530651

Triangular Pyramid

Length = n
Surface area 1.9096660369303E+14
Volume 1.0914879216988E+21
Height 9899702.3546008