221491808 (number)

221491808 is an even 9-digits composite number following 221491807 and preceding 221491809. In scientific notation, it is written as 2.21491808 × 10^8. The sum of its digits is 35. It has a total of 8 prime factors and 48 positive divisors. There are 108066816 positive integers (up to 221491808) that are relatively prime to 221491808.

Interesting facts

Basic properties

Name

Name two hundred twenty-one million four hundred ninety-one thousand eight hundred eight

Notation

Scientific notation 2.21491808 × 10^8
Engineering notation 2.21491808 × 10^6

Prime Factorization of 221491808

Prime Factorization 2 × 2 × 2 × 2 × 2 × 83 × 89 × 937

Composite number
ω Distinct Factors 4
Total number of distinct prime factors
Ω Total Factors 8
Total number of prime factors
rad Radical 13843238
Product of the distinct prime numbers

The prime factorization of 221491808 is 2 × 2 × 2 × 2 × 2 × 83 × 89 × 937. Since it has a total of 8 prime factors.

Most popular turbo-numbers

2, 9, 63, 18, 85, 710, 7153, 4372, 20318, 34119, 146292, 546884, 1407793, 7852621, 17553437, 90644260, 872726314, 727851458, 728972523, 6318697567

Basic calculations (n = 221491808)

Multiplication

n×y
n×2 442983616
n×3 664475424
n×4 885967232
n×5 1107459040

Division

n÷y
n÷2 110745904
n÷3 73830602.666667
n÷3 55372952
n÷5 44298361.6

Exponentiation

ny
n2 49058621011108864
n3 1.0866082665737E+25
n4 2.4067482955116E+33
n5 5.3307503137379E+41

Nth Root

y√n
2√n 14882.60084797
3√n 605.04251050243
4√n 121.9942656356
5√n 46.67362511877

Divisors of 221491808

1, 2, 4, 8, 16, 32, 83, 89, 166, 178, 332, 356, 664, 712, 937, 1328, 1424, 1874, 2656, 2848, 3748, 7387, 7496, 14774, 14992, 29548, 29984, 59096, 77771, 83393, 118192, 155542, 166786, 236384, 311084, 333572, 622168, 667144, 1244336, 1334288, 2488672, 2668576, 6921619, 13843238, 27686476, 55372952, 110745904, 221491808

48 divisors

τ Total Divisors 48
Total number of the positive divisors of n
σ Sum of Divisors 1
Sum of all the positive divisors of n
s Aliquot Sum -221491807
Sum of the proper positive divisors of n
A Arithmetic Mean 0.020833333333333
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 48
Returns the total number of divisors (τ(n)) divided by the sum of the reciprocal of each divisors

The number 221491808 can be divided by 48 positive divisors. The sum of these divisors (counting 221491808) is 1, the average is 0.020833333333333.

Base conversion 221491808

Base System Value
2 Binary 1101001100111011001001100000
3 Ternary 120102202221122022
4 Quaternary 31030323021200
5 Quinary 423200214213
6 Senary 33551201012
8 Octal 1514731140
10 Decimal 221491808
12 Duodecimal 62216168
16 Hexadecimal d33b260
20 Vigesimal 39469a8
36 Base36 3nvc68

Cryptographic Hash Functions

md5 9d9789bb872c5f7bb865e6515c212f6a
sha1 852feda434f1e9f1b9d09cced002c0cd738d2983
sha256 5424ef35941afe45bc9e099161bc5de84e3a487cabeaa58f34978d0fe4505552
sha512 b2723c8e46b7a6e2d0a57b25c7b80253e41439811ddabff4a0a4825b040b709b00044a395dfbcbf4c375fba5b4edf39b2621f726672b55c8ff97d8e5818949bc
ripemd-160 d231c122c71061821a4fff208c1096664991362c

221491808 as geometric shapes

Circle

Radius = n
Diameter 442983616
Circumference 1391674073.6862
Area 1.5412220336375E+17

Sphere

Radius = n
Volume 4.551574063464E+25
Surface area 6.1648881345498E+17
Circumference 1391674073.6862

Square

Length = n
Perimeter 885967232
Area 49058621011108864
Diagonal 313236718.82814

Cube

Length = n
Surface area 294351726066653184
Volume 1.0866082665737E+25
Space diagonal 383635064.91629

Equilateral Triangle

Length = n
Perimeter 664475424
Area 2.1243006035127E+16
Altitude 191817532.45815

Triangular Pyramid

Length = n
Surface area 2.1243006035127E+16
Volume 1.2805801229794E+24
Height 104412239.60938