216506721 (number)

216506721 is an odd 9-digits composite number following 216506720 and preceding 216506722. In scientific notation, it is written as 2.16506721 × 10^8. The sum of its digits is 30. It has a total of 5 prime factors and 32 positive divisors. There are 134072064 positive integers (up to 216506721) that are relatively prime to 216506721.

Interesting facts

Basic properties

Name

Name two hundred sixteen million five hundred six thousand seven hundred twenty-one

Notation

Scientific notation 2.16506721 × 10^8
Engineering notation 2.16506721 × 10^6

Prime Factorization of 216506721

Prime Factorization 3 × 103 × 29 × 37 × 653

Composite number
ω Distinct Factors 5
Total number of distinct prime factors
Ω Total Factors 5
Total number of prime factors
rad Radical 216506721
Product of the distinct prime numbers

The prime factorization of 216506721 is 3 × 103 × 29 × 37 × 653. Since it has a total of 5 prime factors.

Most popular turbo-numbers

7, 8, 54, 53, 432, 193, 1144, 7802, 43659, 64393, 212006, 42611, 5143203, 3411301, 71928645, 49201463, 64658794, 58599366, 7797300151, 548588822

Basic calculations (n = 216506721)

Multiplication

n×y
n×2 433013442
n×3 649520163
n×4 866026884
n×5 1082533605

Division

n÷y
n÷2 108253360.5
n÷3 72168907
n÷3 54126680.25
n÷5 43301344.2

Exponentiation

ny
n2 46875160238171841
n3 1.0148787239516E+25
n4 2.1972806473543E+33
n5 4.7572602807543E+41

Nth Root

y√n
2√n 14714.167356667
3√n 600.46881969586
4√n 121.30196765373
5√n 46.461612302349

Divisors of 216506721

1, 3, 29, 37, 87, 103, 111, 309, 653, 1073, 1959, 2987, 3219, 3811, 8961, 11433, 18937, 24161, 56811, 67259, 72483, 110519, 201777, 331557, 700669, 1950511, 2102007, 2488583, 5851533, 7465749, 72168907, 216506721

32 divisors

τ Total Divisors 32
Total number of the positive divisors of n
σ Sum of Divisors 1
Sum of all the positive divisors of n
s Aliquot Sum -216506720
Sum of the proper positive divisors of n
A Arithmetic Mean 0.03125
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 32
Returns the total number of divisors (τ(n)) divided by the sum of the reciprocal of each divisors

The number 216506721 can be divided by 32 positive divisors. The sum of these divisors (counting 216506721) is 1, the average is 0.03125.

Base conversion 216506721

Base System Value
2 Binary 1100111001111010000101100001
3 Ternary 120002101200101110
4 Quaternary 30321322011201
5 Quinary 420411203341
6 Senary 33252253533
8 Octal 1471720541
10 Decimal 216506721
12 Duodecimal 606112a9
16 Hexadecimal ce7a161
20 Vigesimal 37d36g1
36 Base36 3kwhnl

Cryptographic Hash Functions

md5 868c35dd5b90293b1a0f1b5ba02a4f9e
sha1 abe0ea72fa3fa8e73ba1efc74dc0a1be87f39a92
sha256 6a3540a9ceabe98aa0026a07b518d55f7af0883f8489ffe209e0eba2619dbd5a
sha512 aa6f882b84403e4b6e6ad1af88e87e0b289d9e7f4433487868394a63979ff685e7d389b390cdedca5a488cc833d31f61252e659b1ed1a4f6ae23eb5ece43fefd
ripemd-160 6e230c8fdc79abc23c21473aaf54023c7421d9f6

216506721 as geometric shapes

Circle

Radius = n
Diameter 433013442
Circumference 1360351848.2928
Area 1.4726265904009E+17

Sphere

Radius = n
Volume 4.2511140579346E+25
Surface area 5.8905063616034E+17
Circumference 1360351848.2928

Square

Length = n
Perimeter 866026884
Area 46875160238171841
Diagonal 306186741.18313

Cube

Length = n
Surface area 281250961429031046
Volume 1.0148787239516E+25
Space diagonal 375000640.95214

Equilateral Triangle

Length = n
Perimeter 649520163
Area 2.0297539786362E+16
Altitude 187500320.47607

Triangular Pyramid

Length = n
Surface area 2.0297539786362E+16
Volume 1.1960460463136E+24
Height 102062247.06104