20215865 (number)

20215865 is an odd 8-digits composite number following 20215864 and preceding 20215866. In scientific notation, it is written as 2.0215865 × 10^7. The sum of its digits is 29. It has a total of 2 prime factors and 4 positive divisors. There are 16172688 positive integers (up to 20215865) that are relatively prime to 20215865.

Interesting facts

Basic properties

Name

Name twenty million two hundred fifteen thousand eight hundred sixty-five

Notation

Scientific notation 2.0215865 × 10^7
Engineering notation 2.0215865 × 10^6

Prime Factorization of 20215865

Prime Factorization 5 × 4043173

Composite number
ω Distinct Factors 2
Total number of distinct prime factors
Ω Total Factors 2
Total number of prime factors
rad Radical 20215865
Product of the distinct prime numbers

The prime factorization of 20215865 is 5 × 4043173. Since it has a total of 2 prime factors.

Most popular turbo-numbers

Basic calculations (n = 20215865)

Multiplication

n×y
n×2 40431730
n×3 60647595
n×4 80863460
n×5 101079325

Division

n÷y
n÷2 10107932.5
n÷3 6738621.6666667
n÷3 5053966.25
n÷5 4043173

Exponentiation

ny
n2 408681197698225
n3 8.2618439207056E+21
n4 1.6702032135206E+29
n5 3.3764602687098E+36

Nth Root

y√n
2√n 4496.2056225222
3√n 272.41484868561
4√n 67.05375174084
5√n 28.916016623574

Divisors of 20215865

4 divisors

τ Total Divisors 4
Total number of the positive divisors of n
σ Sum of Divisors 1
Sum of all the positive divisors of n
s Aliquot Sum -20215864
Sum of the proper positive divisors of n
A Arithmetic Mean 0.25
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 4
Returns the total number of divisors (τ(n)) divided by the sum of the reciprocal of each divisors

The number 20215865 can be divided by 4 positive divisors. The sum of these divisors (counting 20215865) is 1, the average is 0.25.

Base conversion 20215865

Base System Value
2 Binary 1001101000111100000111001
3 Ternary 1102001001221202
4 Quaternary 1031013200321
5 Quinary 20133401430
6 Senary 2001143545
8 Octal 115074071
10 Decimal 20215865
12 Duodecimal 692abb5
16 Hexadecimal 1347839
20 Vigesimal 666jd5
36 Base36 c1ant

Cryptographic Hash Functions

md5 39e32b138466a486595c0ed31e1b41cf
sha1 d4061964bb273fc5be154f3e3a90aad9ae19c2ce
sha256 5b180f30ff9e50582129e6316280059dc48f49b3d48e8fc904b03b7449d33bde
sha512 5327e696d1cadc584a88864dc0ef32fb6e93fb19a3708a91a4f204bdd1342621b617462ad10bebcc205083b7f16074f1c88103b9e91512219b4b8497f33b5919
ripemd-160 dd4e52f91383f3a22657207ad90475f5364ca170

20215865 as geometric shapes

Circle

Radius = n
Diameter 40431730
Circumference 127020025.93993
Area 1.283909848349E+15

Sphere

Radius = n
Volume 3.4607130888526E+22
Surface area 5.1356393933961E+15
Circumference 127020025.93993

Square

Length = n
Perimeter 80863460
Area 408681197698225
Diagonal 28589550.458104

Cube

Length = n
Surface area 2452087186189350
Volume 8.2618439207056E+21
Space diagonal 35014905.298953

Equilateral Triangle

Length = n
Perimeter 60647595
Area 1.7696414962786E+14
Altitude 17507452.649477

Triangular Pyramid

Length = n
Surface area 1.7696414962786E+14
Volume 9.7366764357263E+20
Height 9529850.1527012