221369987 (number)

221369987 is an odd 9-digits composite number following 221369986 and preceding 221369988. In scientific notation, it is written as 2.21369987 × 10^8. The sum of its digits is 47. It has a total of 2 prime factors and 4 positive divisors. There are 221258856 positive integers (up to 221369987) that are relatively prime to 221369987.

Interesting facts

Basic properties

Name

Name two hundred twenty-one million three hundred sixty-nine thousand nine hundred eighty-seven

Notation

Scientific notation 2.21369987 × 10^8
Engineering notation 2.21369987 × 10^6

Prime Factorization of 221369987

Prime Factorization 2029 × 109103

Composite number
ω Distinct Factors 2
Total number of distinct prime factors
Ω Total Factors 2
Total number of prime factors
rad Radical 221369987
Product of the distinct prime numbers

The prime factorization of 221369987 is 2029 × 109103. Since it has a total of 2 prime factors.

Most popular turbo-numbers

Basic calculations (n = 221369987)

Multiplication

n×y
n×2 442739974
n×3 664109961
n×4 885479948
n×5 1106849935

Division

n÷y
n÷2 110684993.5
n÷3 73789995.666667
n÷3 55342496.75
n÷5 44273997.4

Exponentiation

ny
n2 49004671144380169
n3 1.0848163414171E+25
n4 2.4014577939688E+33
n5 5.3161068063193E+41

Nth Root

y√n
2√n 14878.507552843
3√n 604.93156523926
4√n 121.97748789364
5√n 46.668489868814

Divisors of 221369987

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 -221369986
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 221369987 can be divided by 4 positive divisors. The sum of these divisors (counting 221369987) is 1, the average is 0.25.

Base conversion 221369987

Base System Value
2 Binary 1101001100011101011010000011
3 Ternary 120102112202112102
4 Quaternary 31030131122003
5 Quinary 423132314422
6 Senary 33544421015
8 Octal 1514353203
10 Decimal 221369987
12 Duodecimal 6217776b
16 Hexadecimal d31d683
20 Vigesimal 393b4j7
36 Base36 3nsq6b

Cryptographic Hash Functions

md5 6b11e5b1c10f81393af25c8cd77aace9
sha1 23f3243b556e43d5dae40215622564b1a930a619
sha256 525e529c29a146c6b6ba12234bd17fb9059d8b415775f426a0a060eb227f309f
sha512 eb6852aeeaf78077a23bd9dcd4af1de4e5965656ec2bdcec7a1844772eb65ca79e58b92be74ee73fd7188101202502d4328e2b23252e5cf33f81104ac9dd6ff1
ripemd-160 1ffc125c7d9ca5f0d66aeb597d7e56ae7e8f4c16

221369987 as geometric shapes

Circle

Radius = n
Diameter 442739974
Circumference 1390908649.7689
Area 1.5395271485877E+17

Sphere

Radius = n
Volume 4.54406806492E+25
Surface area 6.1581085943507E+17
Circumference 1390908649.7689

Square

Length = n
Perimeter 885479948
Area 49004671144380169
Diagonal 313064437.91776

Cube

Length = n
Surface area 294028026866281014
Volume 1.0848163414171E+25
Space diagonal 383424064.75486

Equilateral Triangle

Length = n
Perimeter 664109961
Area 2.1219645057568E+16
Altitude 191712032.37743

Triangular Pyramid

Length = n
Surface area 2.1219645057568E+16
Volume 1.27846831893E+24
Height 104354812.63925