21471685 (number)

21471685 is an odd 8-digits composite number following 21471684 and preceding 21471686. In scientific notation, it is written as 2.1471685 × 10^7. The sum of its digits is 34. It has a total of 4 prime factors and 16 positive divisors. There are 16413120 positive integers (up to 21471685) that are relatively prime to 21471685.

Interesting facts

Basic properties

Name

Name twenty-one million four hundred seventy-one thousand six hundred eighty-five

Notation

Scientific notation 2.1471685 × 10^7
Engineering notation 2.1471685 × 10^6

Prime Factorization of 21471685

Prime Factorization 5 × 31 × 83 × 1669

Composite number
ω Distinct Factors 4
Total number of distinct prime factors
Ω Total Factors 4
Total number of prime factors
rad Radical 21471685
Product of the distinct prime numbers

The prime factorization of 21471685 is 5 × 31 × 83 × 1669. Since it has a total of 4 prime factors.

Most popular turbo-numbers

Basic calculations (n = 21471685)

Multiplication

n×y
n×2 42943370
n×3 64415055
n×4 85886740
n×5 107358425

Division

n÷y
n÷2 10735842.5
n÷3 7157228.3333333
n÷3 5367921.25
n÷5 4294337

Exponentiation

ny
n2 461033256739225
n3 9.8991608632288E+21
n4 2.1255166381958E+29
n5 4.5638423717598E+36

Nth Root

y√n
2√n 4633.7549568358
3√n 277.94276636934
4√n 68.071689833849
5√n 29.266664258095

Divisors of 21471685

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 -21471684
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 21471685 can be divided by 16 positive divisors. The sum of these divisors (counting 21471685) is 1, the average is 0.0625.

Base conversion 21471685

Base System Value
2 Binary 1010001111010000111000101
3 Ternary 1111101212121121
4 Quaternary 1101322013011
5 Quinary 20444043220
6 Senary 2044113541
8 Octal 121720705
10 Decimal 21471685
12 Duodecimal 72358b1
16 Hexadecimal 147a1c5
20 Vigesimal 6e3j45
36 Base36 cs7np

Cryptographic Hash Functions

md5 9e3a6045fffd512e923245188c0f7f94
sha1 78492875e346e16d796ce3bbb965ebad4a9f48d6
sha256 0bd8fa28392ec3baae9804f37786a6d0fa193ae16f8ca4ce5bba6e79cdf8dae6
sha512 bb2863049c69986063eefce5a7afdcda2f1b7967ecee9ba572a8468010b6dd351818447d5a62d95e09a47bf10535be1e60c763b3239c1c6047895bc6fe1fe67a
ripemd-160 44401b41d813e3330d3baf6b53c30e24e9c106f5

21471685 as geometric shapes

Circle

Radius = n
Diameter 42943370
Circumference 134910575.71239
Area 1.4483786924325E+15

Sphere

Radius = n
Volume 4.1465508059497E+22
Surface area 5.7935147697301E+15
Circumference 134910575.71239

Square

Length = n
Perimeter 85886740
Area 461033256739225
Diagonal 30365548.134003

Cube

Length = n
Surface area 2766199540435350
Volume 9.8991608632288E+21
Space diagonal 37190049.344115

Equilateral Triangle

Length = n
Perimeter 64415055
Area 1.9963325616282E+14
Altitude 18595024.672057

Triangular Pyramid

Length = n
Surface area 1.9963325616282E+14
Volume 1.1666272957409E+21
Height 10121849.378001