221821838 (number)

221821838 is an even 9-digits composite number following 221821837 and preceding 221821839. In scientific notation, it is written as 2.21821838 × 10^8. The sum of its digits is 35. It has a total of 3 prime factors and 8 positive divisors. There are 95066496 positive integers (up to 221821838) that are relatively prime to 221821838.

Interesting facts

Basic properties

Name

Name two hundred twenty-one million eight hundred twenty-one thousand eight hundred thirty-eight

Notation

Scientific notation 2.21821838 × 10^8
Engineering notation 2.21821838 × 10^6

Prime Factorization of 221821838

Prime Factorization 2 × 7 × 15844417

Composite number
ω Distinct Factors 3
Total number of distinct prime factors
Ω Total Factors 3
Total number of prime factors
rad Radical 221821838
Product of the distinct prime numbers

The prime factorization of 221821838 is 2 × 7 × 15844417. Since it has a total of 3 prime factors.

Most popular turbo-numbers

10, 1, 66, 36, 648, 781, 9332, 2367, 30880, 76648, 174621, 681770, 6080162, 8326486, 52942127, 34507157, 896642849, 698327110, 1455486872, 9995525555

Basic calculations (n = 221821838)

Multiplication

n×y
n×2 443643676
n×3 665465514
n×4 887287352
n×5 1109109190

Division

n÷y
n÷2 110910919
n÷3 73940612.666667
n÷3 55455459.5
n÷5 44364367.6

Exponentiation

ny
n2 49204927813698244
n3 1.0914727526292E+25
n4 2.4211249211513E+33
n5 5.3705838003738E+41

Nth Root

y√n
2√n 14893.684500485
3√n 605.34287237723
4√n 122.03968412154
5√n 46.687525880186

Divisors of 221821838

1, 2, 7, 14, 15844417, 31688834, 110910919, 221821838

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 -221821837
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 221821838 can be divided by 8 positive divisors. The sum of these divisors (counting 221821838) is 1, the average is 0.125.

Base conversion 221821838

Base System Value
2 Binary 1101001110001011101110001110
3 Ternary 120110101201100122
4 Quaternary 31032023232032
5 Quinary 423241244323
6 Senary 34002224542
8 Octal 1516135616
10 Decimal 221821838
12 Duodecimal 62355152
16 Hexadecimal d38bb8e
20 Vigesimal 3967ebi
36 Base36 3o2etq

Cryptographic Hash Functions

md5 98c247ee494e3126167ce97976626bc5
sha1 0f797ab683d8b8c592b2b6921d8ec7ee948f7c04
sha256 d6f1b40a979ce4f21381b0225a9084ce9d10d39911be24f8dda1c036f4e1769f
sha512 efaf9f2999c0550ebfec885c93831914bd0588382b2a3ba1bf3be1e060e640d8dfd37afdcbb3db8e0e44277498e3a3a4d434812e7560ea262b98421b78b29777
ripemd-160 944011ce608b3408807ce3d7bd983861d15f8c3f

221821838 as geometric shapes

Circle

Radius = n
Diameter 443643676
Circumference 1393747713.3332
Area 1.5458183973993E+17

Sphere

Radius = n
Volume 4.5719503750044E+25
Surface area 6.1832735895972E+17
Circumference 1393747713.3332

Square

Length = n
Perimeter 887287352
Area 49204927813698244
Diagonal 313703451.73013

Cube

Length = n
Surface area 295229566882189464
Volume 1.0914727526292E+25
Space diagonal 384206693.64431

Equilateral Triangle

Length = n
Perimeter 665465514
Area 2.1306358739021E+16
Altitude 192103346.82216

Triangular Pyramid

Length = n
Surface area 2.1306358739021E+16
Volume 1.2863129747741E+24
Height 104567817.24338