21687789 (number)

21687789 is an odd 8-digits composite number following 21687788 and preceding 21687790. In scientific notation, it is written as 2.1687789 × 10^7. The sum of its digits is 48. It has a total of 4 prime factors and 16 positive divisors. There are 14151168 positive integers (up to 21687789) that are relatively prime to 21687789.

Interesting facts

Basic properties

Name

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

Notation

Scientific notation 2.1687789 × 10^7
Engineering notation 2.1687789 × 10^6

Prime Factorization of 21687789

Prime Factorization 3 × 167 × 73 × 593

Composite number
ω Distinct Factors 4
Total number of distinct prime factors
Ω Total Factors 4
Total number of prime factors
rad Radical 21687789
Product of the distinct prime numbers

The prime factorization of 21687789 is 3 × 167 × 73 × 593. Since it has a total of 4 prime factors.

Most popular turbo-numbers

10, 10, 99, 35, 582, 283, 6389, 1545, 72890, 68938, 902514, 789032, 3568692, 5071638, 65765142, 80652494, 935230706, 775013740, 3052211772, 6471679029

Basic calculations (n = 21687789)

Multiplication

n×y
n×2 43375578
n×3 65063367
n×4 86751156
n×5 108438945

Division

n÷y
n÷2 10843894.5
n÷3 7229263
n÷3 5421947.25
n÷5 4337557.8

Exponentiation

ny
n2 470360191708521
n3 1.0201072591774E+22
n4 2.2123870994408E+29
n5 4.7981784598993E+36

Nth Root

y√n
2√n 4657.0150311117
3√n 278.87211672376
4√n 68.242325803798
5√n 29.325339987419

Divisors of 21687789

1, 3, 73, 167, 219, 501, 593, 1779, 12191, 36573, 43289, 99031, 129867, 297093, 7229263, 21687789

16 divisors

τ Total Divisors 16
Total number of the positive divisors of n
σ Sum of Divisors 1
Sum of all the positive divisors of n
s Aliquot Sum -21687788
Sum of the proper positive divisors of n
A Arithmetic Mean 0.0625
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 16
Returns the total number of divisors (τ(n)) divided by the sum of the reciprocal of each divisors

The number 21687789 can be divided by 16 positive divisors. The sum of these divisors (counting 21687789) is 1, the average is 0.0625.

Base conversion 21687789

Base System Value
2 Binary 1010010101110110111101101
3 Ternary 1111210212001110
4 Quaternary 1102232313231
5 Quinary 21023002124
6 Senary 2052502233
8 Octal 122566755
10 Decimal 21687789
12 Duodecimal 731a979
16 Hexadecimal 14aeded
20 Vigesimal 6faj99
36 Base36 cwuel

Cryptographic Hash Functions

md5 dc03e5eb083a888c590d01cd2fc7b423
sha1 7536061c857c6a8b78a8e1834341901afee937ae
sha256 a05999b28b8e6d9ed787423a1c4f37fdaad76f9dcee20fd6fc9e19c906948112
sha512 57258a3d2fa0d93b9d32b9ce2f1300bc0e935120814ec3459d507269deda71a64a07b53f85ea7730c4ce269968f6e849c332f9f869263bd6be8ecf508049eef4
ripemd-160 313c89ee9e6b7854786268703ee82594ce9dc29d

21687789 as geometric shapes

Circle

Radius = n
Diameter 43375578
Circumference 136268397.19001
Area 1.4776801228126E+15

Sphere

Radius = n
Volume 4.2730152950738E+22
Surface area 5.9107204912503E+15
Circumference 136268397.19001

Square

Length = n
Perimeter 86751156
Area 470360191708521
Diagonal 30671165.341686

Cube

Length = n
Surface area 2822161150251126
Volume 1.0201072591774E+22
Space diagonal 37564352.451833

Equilateral Triangle

Length = n
Perimeter 65063367
Area 2.0367193747425E+14
Altitude 18782176.225917

Triangular Pyramid

Length = n
Surface area 2.0367193747425E+14
Volume 1.2022079341699E+21
Height 10223721.780562