21939966 (number)

21939966 is an even 8-digits composite number following 21939965 and preceding 21939967. In scientific notation, it is written as 2.1939966 × 10^7. The sum of its digits is 45. It has a total of 4 prime factors and 16 positive divisors. There are 7299936 positive integers (up to 21939966) that are relatively prime to 21939966.

Interesting facts

Basic properties

Name

Name twenty-one million nine hundred thirty-nine thousand nine hundred sixty-six

Notation

Scientific notation 2.1939966 × 10^7
Engineering notation 2.1939966 × 10^6

Prime Factorization of 21939966

Prime Factorization 2 × 9 × 953 × 1279

Composite number
ω Distinct Factors 4
Total number of distinct prime factors
Ω Total Factors 4
Total number of prime factors
rad Radical 21939966
Product of the distinct prime numbers

The prime factorization of 21939966 is 2 × 9 × 953 × 1279. Since it has a total of 4 prime factors.

Most popular turbo-numbers

2, 1, 25, 79, 943, 703, 9826, 3174, 74774, 1807, 790788, 918123, 8383369, 7837592, 44558007, 77045248, 562427278, 892119655, 6475279448, 8809639265

Basic calculations (n = 21939966)

Multiplication

n×y
n×2 43879932
n×3 65819898
n×4 87759864
n×5 109699830

Division

n÷y
n÷2 10969983
n÷3 7313322
n÷3 5484991.5
n÷5 4387993.2

Exponentiation

ny
n2 481362108081156
n3 1.0561068284989E+22
n4 2.3170947909633E+29
n5 5.0836980932513E+36

Nth Root

y√n
2√n 4684.0117420861
3√n 279.94882568169
4√n 68.439840313125
5√n 29.393221678976

Divisors of 21939966

1, 2, 9, 18, 953, 1279, 1906, 2558, 8577, 11511, 17154, 23022, 1218887, 2437774, 10969983, 21939966

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 -21939965
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 21939966 can be divided by 16 positive divisors. The sum of these divisors (counting 21939966) is 1, the average is 0.0625.

Base conversion 21939966

Base System Value
2 Binary 1010011101100011011111110
3 Ternary 1112021122222100
4 Quaternary 1103230123332
5 Quinary 21104034331
6 Senary 2102125530
8 Octal 123543376
10 Decimal 21939966
12 Duodecimal 74208a6
16 Hexadecimal 14ec6fe
20 Vigesimal 6h29i6
36 Base36 d28zi

Cryptographic Hash Functions

md5 6cd7b31c5f9185ff4c3887aa840b67d2
sha1 319f6fda548b267a9ad09e3be8812f26a4714be5
sha256 729750dfdb3b636b0293f67111ec75ac12a3f0ed8719ee905a283ad6e82437f2
sha512 21f52a598a216cc55b13f2e3c6aa0d9770cbad2e11a218cc9636ac7a628ee1b87d4ab30abd672f3cd4dfdc2e6576693be30af7bcff124ea284c93d0b6efc0e7c
ripemd-160 765f4494be92e60f8c06b13ba505cc44adef6840

21939966 as geometric shapes

Circle

Radius = n
Diameter 43879932
Circumference 137852872.01122
Area 1.5122436624643E+15

Sphere

Radius = n
Volume 4.4238099384242E+22
Surface area 6.048974649857E+15
Circumference 137852872.01122

Square

Length = n
Perimeter 87759864
Area 481362108081156
Diagonal 31027797.475205

Cube

Length = n
Surface area 2888172648486936
Volume 1.0561068284989E+22
Space diagonal 38001135.828334

Equilateral Triangle

Length = n
Perimeter 65819898
Area 2.0843590700876E+14
Altitude 19000567.914167

Triangular Pyramid

Length = n
Surface area 2.0843590700876E+14
Volume 1.2446338334816E+21
Height 10342599.158402