20155215 (number)

20155215 is an odd 8-digits composite number following 20155214 and preceding 20155216. In scientific notation, it is written as 2.0155215 × 10^7. The sum of its digits is 21. It has a total of 3 prime factors and 8 positive divisors. There are 10749440 positive integers (up to 20155215) that are relatively prime to 20155215.

Interesting facts

Basic properties

Name

Name twenty million one hundred fifty-five thousand two hundred fifteen

Notation

Scientific notation 2.0155215 × 10^7
Engineering notation 2.0155215 × 10^6

Prime Factorization of 20155215

Prime Factorization 3 × 5 × 1343681

Composite number
ω Distinct Factors 3
Total number of distinct prime factors
Ω Total Factors 3
Total number of prime factors
rad Radical 20155215
Product of the distinct prime numbers

The prime factorization of 20155215 is 3 × 5 × 1343681. Since it has a total of 3 prime factors.

Most popular turbo-numbers

Basic calculations (n = 20155215)

Multiplication

n×y
n×2 40310430
n×3 60465645
n×4 80620860
n×5 100776075

Division

n÷y
n÷2 10077607.5
n÷3 6718405
n÷3 5038803.75
n÷5 4031043

Exponentiation

ny
n2 406232691696225
n3 8.1877072411661E+21
n4 1.6502499980276E+29
n5 3.3261143513996E+36

Nth Root

y√n
2√n 4489.4559804056
3√n 272.14215014278
4√n 67.00340275244
5√n 28.898645466854

Divisors of 20155215

8 divisors

τ Total Divisors 8
Total number of the positive divisors of n
σ Sum of Divisors 1
Sum of all the positive divisors of n
s Aliquot Sum -20155214
Sum of the proper positive divisors of n
A Arithmetic Mean 0.125
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 8
Returns the total number of divisors (τ(n)) divided by the sum of the reciprocal of each divisors

The number 20155215 can be divided by 8 positive divisors. The sum of these divisors (counting 20155215) is 1, the average is 0.125.

Base conversion 20155215

Base System Value
2 Binary 1001100111000101101001111
3 Ternary 1101220222202110
4 Quaternary 1030320231033
5 Quinary 20124431330
6 Senary 1555555103
8 Octal 114705517
10 Decimal 20155215
12 Duodecimal 68bba93
16 Hexadecimal 1338b4f
20 Vigesimal 65j80f
36 Base36 bzzv3

Cryptographic Hash Functions

md5 4a21d9ee10307db6bcdec3cb5825a2cc
sha1 101655ba8d762dd1614da2ec687928db7c35c0a0
sha256 0e57baf23fed545a22ec250706983f05f1530130346b51f584500206a772e8cd
sha512 c0ecd0bc7947df2233745ff71b32f619fae88ee2890c13affc097d035139acefcb589879f70cbf0d2ea0ed7594e85eb79b68b23dfe8a73dd86130f1a79898766
ripemd-160 825c21d1e2926e5310b9d5ccfde66de31dc3a6e9

20155215 as geometric shapes

Circle

Radius = n
Diameter 40310430
Circumference 126638950.75105
Area 1.2762176398809E+15

Sphere

Radius = n
Volume 3.4296587891455E+22
Surface area 5.1048705595235E+15
Circumference 126638950.75105

Square

Length = n
Perimeter 80620860
Area 406232691696225
Diagonal 28503778.405546

Cube

Length = n
Surface area 2437396150177350
Volume 8.1877072411661E+21
Space diagonal 34909856.417474

Equilateral Triangle

Length = n
Perimeter 60465645
Area 1.7590391542833E+14
Altitude 17454928.208737

Triangular Pyramid

Length = n
Surface area 1.7590391542833E+14
Volume 9.6493055209979E+20
Height 9501259.4685152