21279984 (number)

21279984 is an even 8-digits composite number following 21279983 and preceding 21279985. In scientific notation, it is written as 2.1279984 × 10^7. The sum of its digits is 42. It has a total of 8 prime factors and 80 positive divisors. There are 6284800 positive integers (up to 21279984) that are relatively prime to 21279984.

Interesting facts

Basic properties

Name

Name twenty-one million two hundred seventy-nine thousand nine hundred eighty-four

Notation

Scientific notation 2.1279984 × 10^7
Engineering notation 2.1279984 × 10^6

Prime Factorization of 21279984

Prime Factorization 2 × 2 × 2 × 2 × 3 × 11 × 41 × 983

Composite number
ω Distinct Factors 5
Total number of distinct prime factors
Ω Total Factors 8
Total number of prime factors
rad Radical 2659998
Product of the distinct prime numbers

The prime factorization of 21279984 is 2 × 2 × 2 × 2 × 3 × 11 × 41 × 983. Since it has a total of 8 prime factors.

Most popular turbo-numbers

8, 2, 79, 25, 374, 565, 8810, 3225, 40598, 51182, 679606, 989012, 4483181, 8079546, 54759873, 94251813, 694927718, 94993068, 3199927721, 9305712069

Basic calculations (n = 21279984)

Multiplication

n×y
n×2 42559968
n×3 63839952
n×4 85119936
n×5 106399920

Division

n÷y
n÷2 10639992
n÷3 7093328
n÷3 5319996
n÷5 4255996.8

Exponentiation

ny
n2 452837719040256
n3 9.6363794157731E+21
n4 2.0506199978558E+29
n5 4.3637160744452E+36

Nth Root

y√n
2√n 4613.0233036481
3√n 277.11312699522
4√n 67.919241041461
5√n 29.214217577419

Divisors of 21279984

1, 2, 3, 4, 6, 8, 11, 12, 16, 22, 24, 33, 41, 44, 48, 66, 82, 88, 123, 132, 164, 176, 246, 264, 328, 451, 492, 528, 656, 902, 983, 984, 1353, 1804, 1966, 1968, 2706, 2949, 3608, 3932, 5412, 5898, 7216, 7864, 10813, 10824, 11796, 15728, 21626, 21648, 23592, 32439, 40303, 43252, 47184, 64878, 80606, 86504, 120909, 129756, 161212, 173008, 241818, 259512, 322424, 443333, 483636, 519024, 644848, 886666, 967272, 1329999, 1773332, 1934544, 2659998, 3546664, 5319996, 7093328, 10639992, 21279984

80 divisors

τ Total Divisors 80
Total number of the positive divisors of n
σ Sum of Divisors 1
Sum of all the positive divisors of n
s Aliquot Sum -21279983
Sum of the proper positive divisors of n
A Arithmetic Mean 0.0125
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 80
Returns the total number of divisors (τ(n)) divided by the sum of the reciprocal of each divisors

The number 21279984 can be divided by 80 positive divisors. The sum of these divisors (counting 21279984) is 1, the average is 0.0125.

Base conversion 21279984

Base System Value
2 Binary 1010001001011010011110000
3 Ternary 1111001010122120
4 Quaternary 1101023103300
5 Quinary 20421424414
6 Senary 2040034240
8 Octal 121132360
10 Decimal 21279984
12 Duodecimal 7162980
16 Hexadecimal 144b4f0
20 Vigesimal 6cjjj4
36 Base36 co3qo

Cryptographic Hash Functions

md5 9a802c8a07793add3fb1ede70df0ac1e
sha1 104835d44bfc195c940581d294790a7c1e90d93a
sha256 831093c6d39c1b5bf06c80e4f102d47795488c8df642e07821fd95e8888a7dc8
sha512 53c2f45ed53b60974fb50096423aaa66f66ca9dab00e7658d4a14aa3b497e76a54437ff668a0882c605651915610c9487bbf0867f6def3b68e261f6fe7287797
ripemd-160 e5d1741e0871a2a3e6cfe740b8db1d47f4a82dd6

21279984 as geometric shapes

Circle

Radius = n
Diameter 42559968
Circumference 133706082.80582
Area 1.4226316514052E+15

Sphere

Radius = n
Volume 4.0364771706396E+22
Surface area 5.6905266056209E+15
Circumference 133706082.80582

Square

Length = n
Perimeter 85119936
Area 452837719040256
Diagonal 30094441.979882

Cube

Length = n
Surface area 2717026314241536
Volume 9.6363794157731E+21
Space diagonal 36858013.472253

Equilateral Triangle

Length = n
Perimeter 63839952
Area 1.9608448424033E+14
Altitude 18429006.736126

Triangular Pyramid

Length = n
Surface area 1.9608448424033E+14
Volume 1.1356582051633E+21
Height 10031480.659961