215684856 (number)

215684856 is an even 9-digits composite number following 215684855 and preceding 215684857. In scientific notation, it is written as 2.15684856 × 10^8. The sum of its digits is 45. It has a total of 7 prime factors and 64 positive divisors. There are 69517440 positive integers (up to 215684856) that are relatively prime to 215684856.

Interesting facts

Basic properties

Name

Name two hundred fifteen million six hundred eighty-four thousand eight hundred fifty-six

Notation

Scientific notation 2.15684856 × 10^8
Engineering notation 2.15684856 × 10^6

Prime Factorization of 215684856

Prime Factorization 2 × 2 × 2 × 81 × 9 × 31 × 1193

Composite number
ω Distinct Factors 5
Total number of distinct prime factors
Ω Total Factors 7
Total number of prime factors
rad Radical 53921214
Product of the distinct prime numbers

The prime factorization of 215684856 is 2 × 2 × 2 × 81 × 9 × 31 × 1193. Since it has a total of 7 prime factors.

Most popular turbo-numbers

Basic calculations (n = 215684856)

Multiplication

n×y
n×2 431369712
n×3 647054568
n×4 862739424
n×5 1078424280

Division

n÷y
n÷2 107842428
n÷3 71894952
n÷3 53921214
n÷5 43136971.2

Exponentiation

ny
n2 46519957107740736
n3 1.0033650249909E+25
n4 2.164106409306E+33
n5 4.6676497925985E+41

Nth Root

y√n
2√n 14686.213126603
3√n 599.70805797279
4√n 121.18668708486
5√n 46.426284728237

Divisors of 215684856

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 -215684855
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 215684856 can be divided by 64 positive divisors. The sum of these divisors (counting 215684856) is 1, the average is 0.015625.

Base conversion 215684856

Base System Value
2 Binary 1100110110110001011011111000
3 Ternary 120000211221000000
4 Quaternary 30312301123320
5 Quinary 420203403411
6 Senary 33222513000
8 Octal 1466613370
10 Decimal 215684856
12 Duodecimal 60295760
16 Hexadecimal cdb16f8
20 Vigesimal 3780c2g
36 Base36 3kevi0

Cryptographic Hash Functions

md5 b8157c135a6a53e7f20930ab7b073163
sha1 df640b3f41067cfca9a2533996fdaa4887c6384c
sha256 681044f01d73e17d24e5a78df36d6d55a5ef056232e318356fd96071cc4454ae
sha512 1e6d5eb176a228c5455c7a11b13ae1849b7afb50c612f152e57b67a402abdbc4bd87a7149e81e4c50e8f9af8fe1b7b5b7d6ddff3a2317a98887701f1d895f507
ripemd-160 c255b7c04b724f07904f7bc716af4ab9af4c2ac3

215684856 as geometric shapes

Circle

Radius = n
Diameter 431369712
Circumference 1355187918.2003
Area 1.4614675549499E+17

Sphere

Radius = n
Volume 4.2028855885072E+25
Surface area 5.8458702197996E+17
Circumference 1355187918.2003

Square

Length = n
Perimeter 862739424
Area 46519957107740736
Diagonal 305024448.55369

Cube

Length = n
Surface area 279119742646444416
Volume 1.0033650249909E+25
Space diagonal 373577129.01518

Equilateral Triangle

Length = n
Perimeter 647054568
Area 2.0143732319133E+16
Altitude 186788564.50759

Triangular Pyramid

Length = n
Surface area 2.0143732319133E+16
Volume 1.1824770219608E+24
Height 101674816.18456