221821942 (number)

221821942 is an even 9-digits composite number following 221821941 and preceding 221821943. In scientific notation, it is written as 2.21821942 × 10^8. The sum of its digits is 31. It has a total of 2 prime factors and 4 positive divisors. There are 110910970 positive integers (up to 221821942) that are relatively prime to 221821942.

Interesting facts

Basic properties

Name

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

Notation

Scientific notation 2.21821942 × 10^8
Engineering notation 2.21821942 × 10^6

Prime Factorization of 221821942

Prime Factorization 2 × 110910971

Composite number
ω Distinct Factors 2
Total number of distinct prime factors
Ω Total Factors 2
Total number of prime factors
rad Radical 221821942
Product of the distinct prime numbers

The prime factorization of 221821942 is 2 × 110910971. Since it has a total of 2 prime factors.

Most popular turbo-numbers

Basic calculations (n = 221821942)

Multiplication

n×y
n×2 443643884
n×3 665465826
n×4 887287768
n×5 1109109710

Division

n÷y
n÷2 110910971
n÷3 73940647.333333
n÷3 55455485.5
n÷5 44364388.4

Exponentiation

ny
n2 49204973952651364
n3 1.0914742878237E+25
n4 2.4211294616811E+33
n5 5.3705963902352E+41

Nth Root

y√n
2√n 14893.687991898
3√n 605.34296698116
4√n 122.03969842595
5√n 46.687530258026

Divisors of 221821942

4 divisors

τ Total Divisors 4
Total number of the positive divisors of n
σ Sum of Divisors 1
Sum of all the positive divisors of n
s Aliquot Sum -221821941
Sum of the proper positive divisors of n
A Arithmetic Mean 0.25
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 4
Returns the total number of divisors (τ(n)) divided by the sum of the reciprocal of each divisors

The number 221821942 can be divided by 4 positive divisors. The sum of these divisors (counting 221821942) is 1, the average is 0.25.

Base conversion 221821942

Base System Value
2 Binary 1101001110001011101111110110
3 Ternary 120110101201111111
4 Quaternary 31032023233312
5 Quinary 423241300232
6 Senary 34002225234
8 Octal 1516135766
10 Decimal 221821942
12 Duodecimal 6235521a
16 Hexadecimal d38bbf6
20 Vigesimal 3967eh2
36 Base36 3o2ewm

Cryptographic Hash Functions

md5 d9d9f03ac826912ebdd89d3c86ff0634
sha1 b2d92768a45b5969d457522d7bbef1707100a025
sha256 a59b911d0ccd18da78db8e618dbdb4e809b50bdd2b23e9a9875889c4999cbcfd
sha512 d0844c251b9f4fa224f0627acd7329c4a02ab3e9a2903b2a306a17bed53dbf58e551fda9fefe86c3cea9cae5e056e8a06ef6c10b6639f342d92b27dd151fa8fc
ripemd-160 e2d751675d9306631bc915f70022cbe554a3b285

221821942 as geometric shapes

Circle

Radius = n
Diameter 443643884
Circumference 1393748366.7844
Area 1.5458198468973E+17

Sphere

Radius = n
Volume 4.5719568056119E+25
Surface area 6.1832793875891E+17
Circumference 1393748366.7844

Square

Length = n
Perimeter 887287768
Area 49204973952651364
Diagonal 313703598.80834

Cube

Length = n
Surface area 295229843715908184
Volume 1.0914742878237E+25
Space diagonal 384206873.7776

Equilateral Triangle

Length = n
Perimeter 665465826
Area 2.1306378717774E+16
Altitude 192103436.8888

Triangular Pyramid

Length = n
Surface area 2.1306378717774E+16
Volume 1.2863147840181E+24
Height 104567866.26945