216948981 (number)

216948981 is an odd 9-digits composite number following 216948980 and preceding 216948982. In scientific notation, it is written as 2.16948981 × 10^8. The sum of its digits is 48. It has a total of 4 prime factors and 16 positive divisors. There are 140300160 positive integers (up to 216948981) that are relatively prime to 216948981.

Interesting facts

Basic properties

Name

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

Notation

Scientific notation 2.16948981 × 10^8
Engineering notation 2.16948981 × 10^6

Prime Factorization of 216948981

Prime Factorization 3 × 89 × 53 × 15331

Composite number
ω Distinct Factors 4
Total number of distinct prime factors
Ω Total Factors 4
Total number of prime factors
rad Radical 216948981
Product of the distinct prime numbers

The prime factorization of 216948981 is 3 × 89 × 53 × 15331. Since it has a total of 4 prime factors.

Most popular turbo-numbers

Basic calculations (n = 216948981)

Multiplication

n×y
n×2 433897962
n×3 650846943
n×4 867795924
n×5 1084744905

Division

n÷y
n÷2 108474490.5
n÷3 72316327
n÷3 54237245.25
n÷5 43389796.2

Exponentiation

ny
n2 47066860356938361
n3 1.0211107393307E+25
n4 2.2152893438595E+33
n5 4.8060476577048E+41

Nth Root

y√n
2√n 14729.188063162
3√n 600.87740242732
4√n 121.36386638189
5√n 46.48057831282

Divisors of 216948981

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 -216948980
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 216948981 can be divided by 16 positive divisors. The sum of these divisors (counting 216948981) is 1, the average is 0.0625.

Base conversion 216948981

Base System Value
2 Binary 1100111011100110000011110101
3 Ternary 120010020011001110
4 Quaternary 30323212003311
5 Quinary 421014331411
6 Senary 33305545233
8 Octal 1473460365
10 Decimal 216948981
12 Duodecimal 607a5219
16 Hexadecimal cee60f5
20 Vigesimal 37fic91
36 Base36 3l5ywl

Cryptographic Hash Functions

md5 7e4c38c7ddd58cd1b738a8400a0657f1
sha1 e6c29ba021bdb018ce72dce929551320b580579e
sha256 5851a2623581c406c2cccb6c3fe5e4472da7a83df16bd996d5d3c613bd26f01f
sha512 6a93dfb70c31be67ef45155c873692ca542f50b00c3cfa55cca9488acdbb032b2ae64468d21903e353e412ec61eb62e2dc2971353c31f841bf8ef5518ea0fc96
ripemd-160 f5945cfc2d6adce0584eed8fd507e914b5788f85

216948981 as geometric shapes

Circle

Radius = n
Diameter 433897962
Circumference 1363130649.8268
Area 1.4786490272489E+17

Sphere

Radius = n
Volume 4.2772186629107E+25
Surface area 5.9145961089958E+17
Circumference 1363130649.8268

Square

Length = n
Perimeter 867795924
Area 47066860356938361
Diagonal 306812191.27322

Cube

Length = n
Surface area 282401162141630166
Volume 1.0211107393307E+25
Space diagonal 375766657.74229

Equilateral Triangle

Length = n
Perimeter 650846943
Area 2.0380548372742E+16
Altitude 187883328.87115

Triangular Pyramid

Length = n
Surface area 2.0380548372742E+16
Volume 1.2033905468719E+24
Height 102270730.42441