221528209 (number)

221528209 is an odd 9-digits composite number following 221528208 and preceding 221528210. In scientific notation, it is written as 2.21528209 × 10^8. The sum of its digits is 31. It has a total of 3 prime factors and 8 positive divisors. There are 185137920 positive integers (up to 221528209) that are relatively prime to 221528209.

Interesting facts

Basic properties

Name

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

Notation

Scientific notation 2.21528209 × 10^8
Engineering notation 2.21528209 × 10^6

Prime Factorization of 221528209

Prime Factorization 7 × 6497 × 4871

Composite number
ω Distinct Factors 3
Total number of distinct prime factors
Ω Total Factors 3
Total number of prime factors
rad Radical 221528209
Product of the distinct prime numbers

The prime factorization of 221528209 is 7 × 6497 × 4871. Since it has a total of 3 prime factors.

Most popular turbo-numbers

6, 8, 58, 66, 641, 460, 3576, 4915, 20581, 34404, 447918, 725937, 9805024, 4298157, 32669292, 64591311, 229614383, 816603329, 9812343079, 6930648978

Basic calculations (n = 221528209)

Multiplication

n×y
n×2 443056418
n×3 664584627
n×4 886112836
n×5 1107641045

Division

n÷y
n÷2 110764104.5
n÷3 73842736.333333
n÷3 55382052.25
n÷5 44305641.8

Exponentiation

ny
n2 49074747382747681
n3 1.0871440894828E+25
n4 2.4083308306805E+33
n5 5.3351321560013E+41

Nth Root

y√n
2√n 14883.823735855
3√n 605.07565385917
4√n 121.99927760382
5√n 46.675159130315

Divisors of 221528209

1, 7, 4871, 6497, 34097, 45479, 31646887, 221528209

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 -221528208
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 221528209 can be divided by 8 positive divisors. The sum of these divisors (counting 221528209) is 1, the average is 0.125.

Base conversion 221528209

Base System Value
2 Binary 1101001101000100000010010001
3 Ternary 120102211210120111
4 Quaternary 31031010002101
5 Quinary 423202400314
6 Senary 33552041321
8 Octal 1515040221
10 Decimal 221528209
12 Duodecimal 62233241
16 Hexadecimal d344091
20 Vigesimal 394b0a9
36 Base36 3nw49d

Cryptographic Hash Functions

md5 fc8b4e78550c4cf9b0c6fc26fa6c639b
sha1 50a52d184203a1b05500ec7b957875ffe8b382f6
sha256 bb60f91d377ac35d45bb994a24bb360a6d9f83df7675aa1e59dd997295ca3626
sha512 99407078c409f29f1ce9fec04509921500b0137fef044f0a69dba42f20f818eb48f494b5fcc09ab0d1fdcbaec21e212fd62c7fe97560239a69ff617c8d79ce74
ripemd-160 f5c33de7a67114becda549dccae22fba4181e3c1

221528209 as geometric shapes

Circle

Radius = n
Diameter 443056418
Circumference 1391902787.9146
Area 1.5417286585442E+17

Sphere

Radius = n
Volume 4.5538185132168E+25
Surface area 6.1669146341766E+17
Circumference 1391902787.9146

Square

Length = n
Perimeter 886112836
Area 49074747382747681
Diagonal 313288197.61602

Cube

Length = n
Surface area 294448484296486086
Volume 1.0871440894828E+25
Space diagonal 383698113.29774

Equilateral Triangle

Length = n
Perimeter 664584627
Area 2.1249988958882E+16
Altitude 191849056.64887

Triangular Pyramid

Length = n
Surface area 2.1249988958882E+16
Volume 1.2812115963335E+24
Height 104429399.20534