216804981 (number)

216804981 is an odd 9-digits composite number following 216804980 and preceding 216804982. In scientific notation, it is written as 2.16804981 × 10^8. The sum of its digits is 39. It has a total of 3 prime factors and 8 positive divisors. There are 144501920 positive integers (up to 216804981) that are relatively prime to 216804981.

Interesting facts

Basic properties

Name

Name two hundred sixteen million eight hundred four thousand nine hundred eighty-one

Notation

Scientific notation 2.16804981 × 10^8
Engineering notation 2.16804981 × 10^6

Prime Factorization of 216804981

Prime Factorization 3 × 6911 × 10457

Composite number
ω Distinct Factors 3
Total number of distinct prime factors
Ω Total Factors 3
Total number of prime factors
rad Radical 216804981
Product of the distinct prime numbers

The prime factorization of 216804981 is 3 × 6911 × 10457. Since it has a total of 3 prime factors.

Most popular turbo-numbers

1, 8, 38, 21, 898, 529, 6570, 1272, 2972, 37849, 11133, 222181, 537056, 7345183, 1530625, 94092983, 190798979, 299847403, 923329745, 9015104910

Basic calculations (n = 216804981)

Multiplication

n×y
n×2 433609962
n×3 650414943
n×4 867219924
n×5 1084024905

Division

n÷y
n÷2 108402490.5
n÷3 72268327
n÷3 54201245.25
n÷5 43360996.2

Exponentiation

ny
n2 47004399786410361
n3 1.0190788002609E+25
n4 2.2094135992807E+33
n5 4.7901187341319E+41

Nth Root

y√n
2√n 14724.298998594
3√n 600.74442877213
4√n 121.34372253477
5√n 46.474406372301

Divisors of 216804981

1, 3, 6911, 10457, 20733, 31371, 72268327, 216804981

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 -216804980
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 216804981 can be divided by 8 positive divisors. The sum of these divisors (counting 216804981) is 1, the average is 0.125.

Base conversion 216804981

Base System Value
2 Binary 1100111011000010111001110101
3 Ternary 120002221211112010
4 Quaternary 30323002321311
5 Quinary 421000224411
6 Senary 33302514433
8 Octal 1473027165
10 Decimal 216804981
12 Duodecimal 60735a19
16 Hexadecimal cec2e75
20 Vigesimal 37f0c91
36 Base36 3l2vsl

Cryptographic Hash Functions

md5 4c3623fd19f8eb8bb3b63e5617cf6ecd
sha1 505eb0aab9499240608fb129960b77a751fe10c4
sha256 de8c5d2c338efa0685436430275bce29048d9c063d8faf758a04d0b30e7ca90b
sha512 75b5bfcfaee78d103bf234e3c5867f67e34b63941f05a02a7455a739ed85cbeda7d3065296cf5d4372e1a109814004b4a95354955e42e49e24990295fa03d27a
ripemd-160 4651adff3f526f320b9d1f4b045c694bd6d2c4f8

216804981 as geometric shapes

Circle

Radius = n
Diameter 433609962
Circumference 1362225871.1425
Area 1.4766867705538E+17

Sphere

Radius = n
Volume 4.2687072964384E+25
Surface area 5.9067470822154E+17
Circumference 1362225871.1425

Square

Length = n
Perimeter 867219924
Area 47004399786410361
Diagonal 306608544.52024

Cube

Length = n
Surface area 282026398718462166
Volume 1.0190788002609E+25
Space diagonal 375517242.42601

Equilateral Triangle

Length = n
Perimeter 650414943
Area 2.0353502152336E+16
Altitude 187758621.213

Triangular Pyramid

Length = n
Surface area 2.0353502152336E+16
Volume 1.2009958837132E+24
Height 102202848.17341