21695840 (number)

21695840 is an even 8-digits composite number following 21695839 and preceding 21695841. In scientific notation, it is written as 2.1695840 × 10^7. The sum of its digits is 35. It has a total of 7 prime factors and 24 positive divisors. There are 8678272 positive integers (up to 21695840) that are relatively prime to 21695840.

Interesting facts

Basic properties

Name

Name twenty-one million six hundred ninety-five thousand eight hundred forty

Notation

Scientific notation 2.1695840 × 10^7
Engineering notation 2.1695840 × 10^6

Prime Factorization of 21695840

Prime Factorization 2 × 2 × 2 × 2 × 2 × 5 × 135599

Composite number
ω Distinct Factors 3
Total number of distinct prime factors
Ω Total Factors 7
Total number of prime factors
rad Radical 1355990
Product of the distinct prime numbers

The prime factorization of 21695840 is 2 × 2 × 2 × 2 × 2 × 5 × 135599. Since it has a total of 7 prime factors.

Most popular turbo-numbers

5, 4, 81, 84, 735, 115, 6821, 3016, 46929, 68611, 570166, 782608, 357923, 9025706, 72751146, 87483196, 776055629, 790674171, 3073491581, 2860941268

Basic calculations (n = 21695840)

Multiplication

n×y
n×2 43391680
n×3 65087520
n×4 86783360
n×5 108479200

Division

n÷y
n÷2 10847920
n÷3 7231946.6666667
n÷3 5423960
n÷5 4339168

Exponentiation

ny
n2 470709473305600
n3 1.0212437419323E+22
n4 2.2156740825964E+29
n5 4.8070910388157E+36

Nth Root

y√n
2√n 4657.8793457968
3√n 278.90662034307
4√n 68.248658197775
5√n 29.327516910682

Divisors of 21695840

1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 80, 160, 135599, 271198, 542396, 677995, 1084792, 1355990, 2169584, 2711980, 4339168, 5423960, 10847920, 21695840

24 divisors

τ Total Divisors 24
Total number of the positive divisors of n
σ Sum of Divisors 1
Sum of all the positive divisors of n
s Aliquot Sum -21695839
Sum of the proper positive divisors of n
A Arithmetic Mean 0.041666666666667
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 24
Returns the total number of divisors (τ(n)) divided by the sum of the reciprocal of each divisors

The number 21695840 can be divided by 24 positive divisors. The sum of these divisors (counting 21695840) is 1, the average is 0.041666666666667.

Base conversion 21695840

Base System Value
2 Binary 1010010110000110101100000
3 Ternary 1111211021002122
4 Quaternary 1102300311200
5 Quinary 21023231330
6 Senary 2053003412
8 Octal 122606540
10 Decimal 21695840
12 Duodecimal 7323568
16 Hexadecimal 14b0d60
20 Vigesimal 6fbjc0
36 Base36 cx0m8

Cryptographic Hash Functions

md5 75e8b9c29526976037016b28803c7cb0
sha1 99d8dac9cd7411f8d7dad897ad293f525153992e
sha256 70d9fb97de82684c7b7e951dade081784d2a7b075ef44675c6fa37f9976cd1f5
sha512 63ee3f35f8497cbafcbc1f3bbdb9353449bcd240d6ae3368e5fbf58eb117428ab15312a04ea1949cdade129cd9556955b77689fef4acff78fe688478522cb074
ripemd-160 9b40d56b32f564b37ce2931fb84355a76ef95b8d

21695840 as geometric shapes

Circle

Radius = n
Diameter 43391680
Circumference 136318983.11492
Area 1.478777423312E+15

Sphere

Radius = n
Volume 4.2777757829052E+22
Surface area 5.915109693248E+15
Circumference 136318983.11492

Square

Length = n
Perimeter 86783360
Area 470709473305600
Diagonal 30682551.175077

Cube

Length = n
Surface area 2824256839833600
Volume 1.0212437419323E+22
Space diagonal 37578297.192885

Equilateral Triangle

Length = n
Perimeter 65087520
Area 2.0382318084232E+14
Altitude 18789148.596443

Triangular Pyramid

Length = n
Surface area 2.0382318084232E+14
Volume 1.203547291941E+21
Height 10227517.058359