21986768 (number)

21986768 is an even 8-digits composite number following 21986767 and preceding 21986769. In scientific notation, it is written as 2.1986768 × 10^7. The sum of its digits is 47. It has a total of 5 prime factors and 10 positive divisors. There are 10993376 positive integers (up to 21986768) that are relatively prime to 21986768.

Interesting facts

Basic properties

Name

Name twenty-one million nine hundred eighty-six thousand seven hundred sixty-eight

Notation

Scientific notation 2.1986768 × 10^7
Engineering notation 2.1986768 × 10^6

Prime Factorization of 21986768

Prime Factorization 2 × 2 × 2 × 2 × 1374173

Composite number
ω Distinct Factors 2
Total number of distinct prime factors
Ω Total Factors 5
Total number of prime factors
rad Radical 2748346
Product of the distinct prime numbers

The prime factorization of 21986768 is 2 × 2 × 2 × 2 × 1374173. Since it has a total of 5 prime factors.

Most popular turbo-numbers

6, 3, 17, 58, 769, 792, 7303, 2773, 21274, 83389, 130988, 307234, 5996427, 3743839, 82054696, 99924732, 525767924, 718984898, 1056784768, 6449134017

Basic calculations (n = 21986768)

Multiplication

n×y
n×2 43973536
n×3 65960304
n×4 87947072
n×5 109933840

Division

n÷y
n÷2 10993384
n÷3 7328922.6666667
n÷3 5496692
n÷5 4397353.6

Exponentiation

ny
n2 483417967085824
n3 1.0628798689348E+22
n4 2.3369293090139E+29
n5 5.1381522549689E+36

Nth Root

y√n
2√n 4689.0050117269
3√n 280.14774515614
4√n 68.476309857694
5√n 29.405751226607

Divisors of 21986768

1, 2, 4, 8, 16, 1374173, 2748346, 5496692, 10993384, 21986768

10 divisors

τ Total Divisors 10
Total number of the positive divisors of n
σ Sum of Divisors 1
Sum of all the positive divisors of n
s Aliquot Sum -21986767
Sum of the proper positive divisors of n
A Arithmetic Mean 0.1
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 10
Returns the total number of divisors (τ(n)) divided by the sum of the reciprocal of each divisors

The number 21986768 can be divided by 10 positive divisors. The sum of these divisors (counting 21986768) is 1, the average is 0.1.

Base conversion 21986768

Base System Value
2 Binary 1010011110111110111010000
3 Ternary 1112101001011202
4 Quaternary 1103313313100
5 Quinary 21112034033
6 Senary 2103130332
8 Octal 123676720
10 Decimal 21986768
12 Duodecimal 74439a8
16 Hexadecimal 14f7dd0
20 Vigesimal 6h86i8
36 Base36 d393k

Cryptographic Hash Functions

md5 f4cfcc8aca681db461dd96d547f1ec4f
sha1 396f27740047208802986e3b2b5d8c0d0b63bbe5
sha256 102f84fda23fd257425c7536737e2ee58a1afee8262ceb582a2e015486102a6a
sha512 0013f563507962300ff2220018190f0c77b1885e60c44eecc343b0ffd91c6787366d6a5958c7a49047760f83f6274c7e97984035dd3412d545700824b6800df4
ripemd-160 44634f0a3d692216c28f5f4d0050fd63db2ca805

21986768 as geometric shapes

Circle

Radius = n
Diameter 43973536
Circumference 138146937.64997
Area 1.5187023340101E+15

Sphere

Radius = n
Volume 4.4521807838586E+22
Surface area 6.0748093360405E+15
Circumference 138146937.64997

Square

Length = n
Perimeter 87947072
Area 483417967085824
Diagonal 31093985.498351

Cube

Length = n
Surface area 2900507802514944
Volume 1.0628798689348E+22
Space diagonal 38082199.27023

Equilateral Triangle

Length = n
Perimeter 65960304
Area 2.0932612007108E+14
Altitude 19041099.635115

Triangular Pyramid

Length = n
Surface area 2.0932612007108E+14
Volume 1.2526159381841E+21
Height 10364661.832784