21291288 (number)

21291288 is an even 8-digits composite number following 21291287 and preceding 21291289. In scientific notation, it is written as 2.1291288 × 10^7. The sum of its digits is 33. It has a total of 6 prime factors and 32 positive divisors. There are 7029920 positive integers (up to 21291288) that are relatively prime to 21291288.

Interesting facts

Basic properties

Name

Name twenty-one million two hundred ninety-one thousand two hundred eighty-eight

Notation

Scientific notation 2.1291288 × 10^7
Engineering notation 2.1291288 × 10^6

Prime Factorization of 21291288

Prime Factorization 2 × 2 × 2 × 3 × 107 × 8291

Composite number
ω Distinct Factors 4
Total number of distinct prime factors
Ω Total Factors 6
Total number of prime factors
rad Radical 5322822
Product of the distinct prime numbers

The prime factorization of 21291288 is 2 × 2 × 2 × 3 × 107 × 8291. Since it has a total of 6 prime factors.

Most popular turbo-numbers

7, 10, 68, 66, 665, 196, 2875, 4986, 7877, 72622, 926536, 49457, 9762096, 5775244, 5111739, 61027364, 812827077, 149132753, 1151424611, 2907367102

Basic calculations (n = 21291288)

Multiplication

n×y
n×2 42582576
n×3 63873864
n×4 85165152
n×5 106456440

Division

n÷y
n÷2 10645644
n÷3 7097096
n÷3 5322822
n÷5 4258257.6

Exponentiation

ny
n2 453318944698944
n3 9.6517442074413E+21
n4 2.0549806562296E+29
n5 4.3753184986214E+36

Nth Root

y√n
2√n 4614.2483678276
3√n 277.16218612184
4√n 67.928258978334
5√n 29.217320656524

Divisors of 21291288

1, 2, 3, 4, 6, 8, 12, 24, 107, 214, 321, 428, 642, 856, 1284, 2568, 8291, 16582, 24873, 33164, 49746, 66328, 99492, 198984, 887137, 1774274, 2661411, 3548548, 5322822, 7097096, 10645644, 21291288

32 divisors

τ Total Divisors 32
Total number of the positive divisors of n
σ Sum of Divisors 1
Sum of all the positive divisors of n
s Aliquot Sum -21291287
Sum of the proper positive divisors of n
A Arithmetic Mean 0.03125
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 32
Returns the total number of divisors (τ(n)) divided by the sum of the reciprocal of each divisors

The number 21291288 can be divided by 32 positive divisors. The sum of these divisors (counting 21291288) is 1, the average is 0.03125.

Base conversion 21291288

Base System Value
2 Binary 1010001001110000100011000
3 Ternary 1111001201011020
4 Quaternary 1101032010120
5 Quinary 20422310123
6 Senary 2040202440
8 Octal 121160430
10 Decimal 21291288
12 Duodecimal 7169420
16 Hexadecimal 144e118
20 Vigesimal 6d1848
36 Base36 cocgo

Cryptographic Hash Functions

md5 a701c127432dcc6ebf0e7650d3387747
sha1 6893269d676b696b024de7918f439b0156e6a614
sha256 27a146f98f166bd0fdfb98a8427a56d2688339c76529b2aa85a59b4cd92658ce
sha512 2ba55797f8d9531128b91be6aa846298032170ef9ca9740ab02285a20de40515cd99cd03bfeb415803810022ab2ede72273bcc20e8ed2c4501eedc2d44bf3c8f
ripemd-160 00e530fdc61024192b0c3c4e819f7265bb6cdd8c

21291288 as geometric shapes

Circle

Radius = n
Diameter 42582576
Circumference 133777107.93253
Area 1.4241434663993E+15

Sphere

Radius = n
Volume 4.0429131595234E+22
Surface area 5.6965738655971E+15
Circumference 133777107.93253

Square

Length = n
Perimeter 85165152
Area 453318944698944
Diagonal 30110428.249992

Cube

Length = n
Surface area 2719913668193664
Volume 9.6517442074413E+21
Space diagonal 36877592.574582

Equilateral Triangle

Length = n
Perimeter 63873864
Area 1.9629286106302E+14
Altitude 18438796.287291

Triangular Pyramid

Length = n
Surface area 1.9629286106302E+14
Volume 1.1374689632266E+21
Height 10036809.416664