216921808 (number)

216921808 is an even 9-digits composite number following 216921807 and preceding 216921809. In scientific notation, it is written as 2.16921808 × 10^8. The sum of its digits is 37. It has a total of 6 prime factors and 20 positive divisors. There are 108373760 positive integers (up to 216921808) that are relatively prime to 216921808.

Interesting facts

Basic properties

Name

Name two hundred sixteen million nine hundred twenty-one thousand eight hundred eight

Notation

Scientific notation 2.16921808 × 10^8
Engineering notation 2.16921808 × 10^6

Prime Factorization of 216921808

Prime Factorization 2 × 2 × 2 × 2 × 1433 × 9461

Composite number
ω Distinct Factors 3
Total number of distinct prime factors
Ω Total Factors 6
Total number of prime factors
rad Radical 27115226
Product of the distinct prime numbers

The prime factorization of 216921808 is 2 × 2 × 2 × 2 × 1433 × 9461. Since it has a total of 6 prime factors.

Most popular turbo-numbers

9, 9, 52, 6, 828, 169, 438, 1545, 66147, 75528, 486895, 730239, 4318524, 3517497, 78684944, 46255469, 224187446, 244869745, 3402557277, 5801166748

Basic calculations (n = 216921808)

Multiplication

n×y
n×2 433843616
n×3 650765424
n×4 867687232
n×5 1084609040

Division

n÷y
n÷2 108460904
n÷3 72307269.333333
n÷3 54230452
n÷5 43384361.6

Exponentiation

ny
n2 47055070785988864
n3 1.0207271030465E+25
n4 2.2141796866744E+33
n5 4.8030386087029E+41

Nth Root

y√n
2√n 14728.265614118
3√n 600.85231461895
4√n 121.36006597772
5√n 46.47941390999

Divisors of 216921808

1, 2, 4, 8, 16, 1433, 2866, 5732, 9461, 11464, 18922, 22928, 37844, 75688, 151376, 13557613, 27115226, 54230452, 108460904, 216921808

20 divisors

τ Total Divisors 20
Total number of the positive divisors of n
σ Sum of Divisors 1
Sum of all the positive divisors of n
s Aliquot Sum -216921807
Sum of the proper positive divisors of n
A Arithmetic Mean 0.05
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 20
Returns the total number of divisors (τ(n)) divided by the sum of the reciprocal of each divisors

The number 216921808 can be divided by 20 positive divisors. The sum of these divisors (counting 216921808) is 1, the average is 0.05.

Base conversion 216921808

Base System Value
2 Binary 1100111011011111011011010000
3 Ternary 120010011202210001
4 Quaternary 30323133123100
5 Quinary 421012444213
6 Senary 33305215344
8 Octal 1473373320
10 Decimal 216921808
12 Duodecimal 60791554
16 Hexadecimal cedf6d0
20 Vigesimal 37ff4a8
36 Base36 3l5dxs

Cryptographic Hash Functions

md5 ad219bb67955a98c9945e60bc3c4334e
sha1 ce62971caff41de17dd8d340f5c25f46d75de61c
sha256 16b91850a8bb5e3835cc8952ee73c5aaa129b5adcff40ee275c356b7f43e797c
sha512 ebeb33e069e236c129623f9ac58d2c9dd0867191b5e441ddf2a57ecab5fcc49c6951dd771e88ac46c607fcbb7411f17858ed599c1c43fb1b206c93d9a3dfa4dc
ripemd-160 ddd513e16402d575129af68fed51959e7b6402b5

216921808 as geometric shapes

Circle

Radius = n
Diameter 433843616
Circumference 1362959916.8324
Area 1.4782786469541E+17

Sphere

Radius = n
Volume 4.275611691001E+25
Surface area 5.9131145878164E+17
Circumference 1362959916.8324

Square

Length = n
Perimeter 867687232
Area 47055070785988864
Diagonal 306773762.84809

Cube

Length = n
Surface area 282330424715933184
Volume 1.0207271030465E+25
Space diagonal 375719592.7257

Equilateral Triangle

Length = n
Perimeter 650765424
Area 2.0375443338771E+16
Altitude 187859796.36285

Triangular Pyramid

Length = n
Surface area 2.0375443338771E+16
Volume 1.2029384271751E+24
Height 102257920.94936