221287938 (number)

221287938 is an even 9-digits composite number following 221287937 and preceding 221287939. In scientific notation, it is written as 2.21287938 × 10^8. The sum of its digits is 42. It has a total of 5 prime factors and 32 positive divisors. There are 71831760 positive integers (up to 221287938) that are relatively prime to 221287938.

Interesting facts

Basic properties

Name

Name two hundred twenty-one million two hundred eighty-seven thousand nine hundred thirty-eight

Notation

Scientific notation 2.21287938 × 10^8
Engineering notation 2.21287938 × 10^6

Prime Factorization of 221287938

Prime Factorization 2 × 3 × 47 × 211 × 3719

Composite number
ω Distinct Factors 5
Total number of distinct prime factors
Ω Total Factors 5
Total number of prime factors
rad Radical 221287938
Product of the distinct prime numbers

The prime factorization of 221287938 is 2 × 3 × 47 × 211 × 3719. Since it has a total of 5 prime factors.

Most popular turbo-numbers

7, 6, 70, 9, 892, 543, 4917, 3179, 12646, 97236, 861348, 703363, 8652694, 4510353, 87525969, 636851, 838931276, 647391989, 7850637626, 6308667320

Basic calculations (n = 221287938)

Multiplication

n×y
n×2 442575876
n×3 663863814
n×4 885151752
n×5 1106439690

Division

n÷y
n÷2 110643969
n÷3 73762646
n÷3 55321984.5
n÷5 44257587.6

Exponentiation

ny
n2 48968351504291844
n3 1.0836105531644E+25
n4 2.3978994490479E+33
n5 5.3062622461114E+41

Nth Root

y√n
2√n 14875.749997899
3√n 604.8568183354
4√n 121.96618382937
5√n 46.665029895948

Divisors of 221287938

1, 2, 3, 6, 47, 94, 141, 211, 282, 422, 633, 1266, 3719, 7438, 9917, 11157, 19834, 22314, 29751, 59502, 174793, 349586, 524379, 784709, 1048758, 1569418, 2354127, 4708254, 36881323, 73762646, 110643969, 221287938

32 divisors

τ Total Divisors 32
Total number of the positive divisors of n
σ Sum of Divisors 1
Sum of all the positive divisors of n
s Aliquot Sum -221287937
Sum of the proper positive divisors of n
A Arithmetic Mean 0.03125
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 32
Returns the total number of divisors (τ(n)) divided by the sum of the reciprocal of each divisors

The number 221287938 can be divided by 32 positive divisors. The sum of these divisors (counting 221287938) is 1, the average is 0.03125.

Base conversion 221287938

Base System Value
2 Binary 1101001100001001011000000010
3 Ternary 120102101120222120
4 Quaternary 31030021120002
5 Quinary 423122203223
6 Senary 33542545110
8 Octal 1514113002
10 Decimal 221287938
12 Duodecimal 62138196
16 Hexadecimal d309602
20 Vigesimal 3930jgi
36 Base36 3nqyv6

Cryptographic Hash Functions

md5 4fb128811372914a3ecdca40d1aaaa7e
sha1 81600bec43d4591232c520e57342cd07ff845c51
sha256 2786dd62af29198546cf9a6acbb04dd6bc3b5bbe9dc6d2797c678c8dab07e14a
sha512 80a3d9d5b02b68c9cc7659f7668c2756cd7d21cc0808c43776ab29f03271e5fbabfd0f7ed8b4a91f8c449831976fe6852cf31fc9b36550133187611943d2745e
ripemd-160 75a7fa623c51716077f11fb71935e15eedab94d2

221287938 as geometric shapes

Circle

Radius = n
Diameter 442575876
Circumference 1390393120.6977
Area 1.5383861334429E+17

Sphere

Radius = n
Volume 4.5390172708982E+25
Surface area 6.1535445337714E+17
Circumference 1390393120.6977

Square

Length = n
Perimeter 885151752
Area 48968351504291844
Diagonal 312948403.10918

Cube

Length = n
Surface area 293810109025751064
Volume 1.0836105531644E+25
Space diagonal 383281951.71815

Equilateral Triangle

Length = n
Perimeter 663863814
Area 2.1203918192081E+16
Altitude 191640975.85908

Triangular Pyramid

Length = n
Surface area 2.1203918192081E+16
Volume 1.2770472838464E+24
Height 104316134.36973