216221681 (number)

216221681 is an odd 9-digits composite number following 216221680 and preceding 216221682. In scientific notation, it is written as 2.16221681 × 10^8. The sum of its digits is 29. It has a total of 3 prime factors and 8 positive divisors. There are 199483920 positive integers (up to 216221681) that are relatively prime to 216221681.

Interesting facts

Basic properties

Name

Name two hundred sixteen million two hundred twenty-one thousand six hundred eighty-one

Notation

Scientific notation 2.16221681 × 10^8
Engineering notation 2.16221681 × 10^6

Prime Factorization of 216221681

Prime Factorization 13 × 2767 × 6011

Composite number
ω Distinct Factors 3
Total number of distinct prime factors
Ω Total Factors 3
Total number of prime factors
rad Radical 216221681
Product of the distinct prime numbers

The prime factorization of 216221681 is 13 × 2767 × 6011. Since it has a total of 3 prime factors.

Most popular turbo-numbers

Basic calculations (n = 216221681)

Multiplication

n×y
n×2 432443362
n×3 648665043
n×4 864886724
n×5 1081108405

Division

n÷y
n÷2 108110840.5
n÷3 72073893.666667
n÷3 54055420.25
n÷5 43244336.2

Exponentiation

ny
n2 46751815334465761
n3 1.010875610142E+25
n4 2.185732237068E+33
n5 4.7260269851473E+41

Nth Root

y√n
2√n 14704.478263441
3√n 600.20519000562
4√n 121.26202317066
5√n 46.449372130196

Divisors of 216221681

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 -216221680
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 216221681 can be divided by 8 positive divisors. The sum of these divisors (counting 216221681) is 1, the average is 0.125.

Base conversion 216221681

Base System Value
2 Binary 1100111000110100011111110001
3 Ternary 120001212012101102
4 Quaternary 30320310133301
5 Quinary 420323043211
6 Senary 33242214145
8 Octal 1470643761
10 Decimal 216221681
12 Duodecimal 604b4355
16 Hexadecimal ce347f1
20 Vigesimal 37b7e41
36 Base36 3kqdpt

Cryptographic Hash Functions

md5 5408ed3798b385effb8618830dca091a
sha1 8419956fa9426b42ce956fddccb4529b9f2eb4c5
sha256 26575f4cba0f11db2c94f239723060d03a1f00cb99d88d741626dd25aeb94757
sha512 96fa66a0d60cb819b6ffd29c2c31d68ba40f4ed1cce2f495e710da5772229f70696263f6b3a12997e57d29bc7af769645249c9d3d611e3c26acec496c33e1540
ripemd-160 17620af969252fbf78fbb5d0b8674be6b1a3f82f

216221681 as geometric shapes

Circle

Radius = n
Diameter 432443362
Circumference 1358560889.1529
Area 1.4687515959674E+17

Sphere

Radius = n
Volume 4.2343458540202E+25
Surface area 5.8750063838698E+17
Circumference 1358560889.1529

Square

Length = n
Perimeter 864886724
Area 46751815334465761
Diagonal 305783633.74931

Cube

Length = n
Surface area 280510892006794566
Volume 1.010875610142E+25
Space diagonal 374506937.18995

Equilateral Triangle

Length = n
Perimeter 648665043
Area 2.0244129876343E+16
Altitude 187253468.59498

Triangular Pyramid

Length = n
Surface area 2.0244129876343E+16
Volume 1.1913283314458E+24
Height 101927877.91644