215685816 (number)

215685816 is an even 9-digits composite number following 215685815 and preceding 215685817. In scientific notation, it is written as 2.15685816 × 10^8. The sum of its digits is 42. It has a total of 5 prime factors and 16 positive divisors. There are 71895264 positive integers (up to 215685816) that are relatively prime to 215685816.

Interesting facts

Basic properties

Name

Name two hundred fifteen million six hundred eighty-five thousand eight hundred sixteen

Notation

Scientific notation 2.15685816 × 10^8
Engineering notation 2.15685816 × 10^6

Prime Factorization of 215685816

Prime Factorization 2 × 2 × 2 × 3 × 8986909

Composite number
ω Distinct Factors 3
Total number of distinct prime factors
Ω Total Factors 5
Total number of prime factors
rad Radical 53921454
Product of the distinct prime numbers

The prime factorization of 215685816 is 2 × 2 × 2 × 3 × 8986909. Since it has a total of 5 prime factors.

Most popular turbo-numbers

7, 1, 93, 92, 591, 261, 4105, 3650, 88190, 790, 369523, 775842, 2401327, 8826311, 13412386, 74664275, 259467353, 213936480, 144187024, 1606799764

Basic calculations (n = 215685816)

Multiplication

n×y
n×2 431371632
n×3 647057448
n×4 862743264
n×5 1078429080

Division

n÷y
n÷2 107842908
n÷3 71895272
n÷3 53921454
n÷5 43137163.2

Exponentiation

ny
n2 46520371223585856
n3 1.0033784227982E+25
n4 2.1641449387802E+33
n5 4.6677536706309E+41

Nth Root

y√n
2√n 14686.245810281
3√n 599.70894772601
4√n 121.18682193325
5√n 46.42632605627

Divisors of 215685816

1, 2, 3, 4, 6, 8, 12, 24, 8986909, 17973818, 26960727, 35947636, 53921454, 71895272, 107842908, 215685816

16 divisors

τ Total Divisors 16
Total number of the positive divisors of n
σ Sum of Divisors 1
Sum of all the positive divisors of n
s Aliquot Sum -215685815
Sum of the proper positive divisors of n
A Arithmetic Mean 0.0625
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 16
Returns the total number of divisors (τ(n)) divided by the sum of the reciprocal of each divisors

The number 215685816 can be divided by 16 positive divisors. The sum of these divisors (counting 215685816) is 1, the average is 0.0625.

Base conversion 215685816

Base System Value
2 Binary 1100110110110001101010111000
3 Ternary 120000211222022120
4 Quaternary 30312301222320
5 Quinary 420203421231
6 Senary 33222521240
8 Octal 1466615270
10 Decimal 215685816
12 Duodecimal 60296220
16 Hexadecimal cdb1ab8
20 Vigesimal 3780eag
36 Base36 3kew8o

Cryptographic Hash Functions

md5 86c7a48e6e465ac4447dcdc1f5e4cdb3
sha1 2c82912e8388af4da683fdbc5dafb12f6684d5ae
sha256 c445b35e96fae136873032e2e280aed775d48ee57bf5d229a0c3afba9079d93b
sha512 4894d07265068f91e437a9a15bf61040b72cc30b8029bfc7e8b8da8c482885b0bd662fbd1d786d20fdff28c815a6c3f253cfd3aa7e89f0c7b40406c8dfd65120
ripemd-160 9bbe4bfc9e54e1a9674d305427b7efbd7d52a604

215685816 as geometric shapes

Circle

Radius = n
Diameter 431371632
Circumference 1355193950.0582
Area 1.4614805647829E+17

Sphere

Radius = n
Volume 4.2029417091111E+25
Surface area 5.8459222591315E+17
Circumference 1355193950.0582

Square

Length = n
Perimeter 862743264
Area 46520371223585856
Diagonal 305025806.19871

Cube

Length = n
Surface area 279122227341515136
Volume 1.0033784227982E+25
Space diagonal 373578791.78395

Equilateral Triangle

Length = n
Perimeter 647057448
Area 2.0143911636554E+16
Altitude 186789395.89198

Triangular Pyramid

Length = n
Surface area 2.0143911636554E+16
Volume 1.1824928114281E+24
Height 101675268.7329