21231686 (number)

21231686 is an even 8-digits composite number following 21231685 and preceding 21231687. In scientific notation, it is written as 2.1231686 × 10^7. The sum of its digits is 29. It has a total of 5 prime factors and 32 positive divisors. There are 8677440 positive integers (up to 21231686) that are relatively prime to 21231686.

Interesting facts

Basic properties

Name

Name twenty-one million two hundred thirty-one thousand six hundred eighty-six

Notation

Scientific notation 2.1231686 × 10^7
Engineering notation 2.1231686 × 10^6

Prime Factorization of 21231686

Prime Factorization 2 × 7 × 41 × 47 × 787

Composite number
ω Distinct Factors 5
Total number of distinct prime factors
Ω Total Factors 5
Total number of prime factors
rad Radical 21231686
Product of the distinct prime numbers

The prime factorization of 21231686 is 2 × 7 × 41 × 47 × 787. Since it has a total of 5 prime factors.

Most popular turbo-numbers

3, 8, 99, 62, 919, 116, 7642, 8387, 60258, 35987, 873566, 1228, 5933866, 6193018, 8714912, 39722330, 771092322, 104488928, 2708338974, 6598431959

Basic calculations (n = 21231686)

Multiplication

n×y
n×2 42463372
n×3 63695058
n×4 84926744
n×5 106158430

Division

n÷y
n÷2 10615843
n÷3 7077228.6666667
n÷3 5307921.5
n÷5 4246337.2

Exponentiation

ny
n2 450784490402596
n3 9.5709147538979E+21
n4 2.0320665678753E+29
n5 4.3144199300226E+36

Nth Root

y√n
2√n 4607.7853682653
3√n 276.90331875096
4√n 67.880670063467
5√n 29.200944343713

Divisors of 21231686

1, 2, 7, 14, 41, 47, 82, 94, 287, 329, 574, 658, 787, 1574, 1927, 3854, 5509, 11018, 13489, 26978, 32267, 36989, 64534, 73978, 225869, 258923, 451738, 517846, 1516549, 3033098, 10615843, 21231686

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 -21231685
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 21231686 can be divided by 32 positive divisors. The sum of these divisors (counting 21231686) is 1, the average is 0.03125.

Base conversion 21231686

Base System Value
2 Binary 1010000111111100001000110
3 Ternary 1110221200101202
4 Quaternary 1100333201012
5 Quinary 20413403221
6 Senary 2035022502
8 Octal 120774106
10 Decimal 21231686
12 Duodecimal 713aa32
16 Hexadecimal 143f846
20 Vigesimal 6cdj46
36 Base36 cn2h2

Cryptographic Hash Functions

md5 6b8b33a73fbbe4cd8b2ae6f99de02ee2
sha1 89f7dc323293e01d60dc9c6fdd2eb356727412e1
sha256 f0f72abd7e4fe7d6760f8fb3f8ceab30136f57257d65a8c37d61f81370d1019e
sha512 8eec6fdf6c6c43df199416dd06385932a1a4b034ec122300f6dfb08d2adadb91fd8a57c1c1c0e52c385a1f91e4cdd43de0ca0103fa7165d526fcbc51516abc16
ripemd-160 984210e4d7c231b9a1a2a1dfb5f5048988b963c9

21231686 as geometric shapes

Circle

Radius = n
Diameter 42463372
Circumference 133402617.52185
Area 1.416181243401E+15

Sphere

Radius = n
Volume 4.0090553971973E+22
Surface area 5.6647249736041E+15
Circumference 133402617.52185

Square

Length = n
Perimeter 84926744
Area 450784490402596
Diagonal 30026138.293247

Cube

Length = n
Surface area 2704706942415576
Volume 9.5709147538979E+21
Space diagonal 36774358.882349

Equilateral Triangle

Length = n
Perimeter 63695058
Area 1.9519541016034E+14
Altitude 18387179.441174

Triangular Pyramid

Length = n
Surface area 1.9519541016034E+14
Volume 1.1279431207733E+21
Height 10008712.764416