215686872 (number)

215686872 is an even 9-digits composite number following 215686871 and preceding 215686873. In scientific notation, it is written as 2.15686872 × 10^8. The sum of its digits is 45. It has a total of 7 prime factors and 64 positive divisors. There are 70152192 positive integers (up to 215686872) that are relatively prime to 215686872.

Interesting facts

Basic properties

Name

Name two hundred fifteen million six hundred eighty-six thousand eight hundred seventy-two

Notation

Scientific notation 2.15686872 × 10^8
Engineering notation 2.15686872 × 10^6

Prime Factorization of 215686872

Prime Factorization 2 × 2 × 2 × 9 × 89 × 97 × 347

Composite number
ω Distinct Factors 5
Total number of distinct prime factors
Ω Total Factors 7
Total number of prime factors
rad Radical 53921718
Product of the distinct prime numbers

The prime factorization of 215686872 is 2 × 2 × 2 × 9 × 89 × 97 × 347. Since it has a total of 7 prime factors.

Most popular turbo-numbers

Basic calculations (n = 215686872)

Multiplication

n×y
n×2 431373744
n×3 647060616
n×4 862747488
n×5 1078434360

Division

n÷y
n÷2 107843436
n÷3 71895624
n÷3 53921718
n÷5 43137374.4

Exponentiation

ny
n2 46520826753144384
n3 1.003393160524E+25
n4 2.1641873217961E+33
n5 4.6678679386025E+41

Nth Root

y√n
2√n 14686.281762243
3√n 599.70992645149
4√n 121.18697026596
5√n 46.426371516936

Divisors of 215686872

64 divisors

τ Total Divisors 64
Total number of the positive divisors of n
σ Sum of Divisors 1
Sum of all the positive divisors of n
s Aliquot Sum -215686871
Sum of the proper positive divisors of n
A Arithmetic Mean 0.015625
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 64
Returns the total number of divisors (τ(n)) divided by the sum of the reciprocal of each divisors

The number 215686872 can be divided by 64 positive divisors. The sum of these divisors (counting 215686872) is 1, the average is 0.015625.

Base conversion 215686872

Base System Value
2 Binary 1100110110110001111011011000
3 Ternary 120000212000202200
4 Quaternary 30312301323120
5 Quinary 420203434442
6 Senary 33222530200
8 Octal 1466617330
10 Decimal 215686872
12 Duodecimal 60296960
16 Hexadecimal cdb1ed8
20 Vigesimal 3780h3c
36 Base36 3kex20

Cryptographic Hash Functions

md5 4fe7d4d668dda5e26484c0113c6078cf
sha1 eb43ca6d2686ad03c7a8697c11148abfe76ca1b8
sha256 3654a91c4911e4f384c5b112828733ba37ebeacdc26efc79aa5db00c79ac63b6
sha512 67b741fc233267a658ef1211d749af86c689173498cef2ac7c0a1a6ed029561efc3837d48981cf05026bec30a3d75e09165907a394a64c189e35e42be1a0f6ae
ripemd-160 ac43cc0dffdde36b242be44f1939e28c08634aeb

215686872 as geometric shapes

Circle

Radius = n
Diameter 431373744
Circumference 1355200585.1019
Area 1.461494875666E+17

Sphere

Radius = n
Volume 4.2030034423524E+25
Surface area 5.8459795026641E+17
Circumference 1355200585.1019

Square

Length = n
Perimeter 862747488
Area 46520826753144384
Diagonal 305027299.60823

Cube

Length = n
Surface area 279124960518866304
Volume 1.003393160524E+25
Space diagonal 373580620.82961

Equilateral Triangle

Length = n
Perimeter 647060616
Area 2.0144108886639E+16
Altitude 186790310.4148

Triangular Pyramid

Length = n
Surface area 2.0144108886639E+16
Volume 1.1825101800045E+24
Height 101675766.53608