221557987 (number)

221557987 is an odd 9-digits composite number following 221557986 and preceding 221557988. In scientific notation, it is written as 2.21557987 × 10^8. The sum of its digits is 46. It has a total of 2 prime factors and 4 positive divisors. There are 189906840 positive integers (up to 221557987) that are relatively prime to 221557987.

Interesting facts

Basic properties

Name

Name two hundred twenty-one million five hundred fifty-seven thousand nine hundred eighty-seven

Notation

Scientific notation 2.21557987 × 10^8
Engineering notation 2.21557987 × 10^6

Prime Factorization of 221557987

Prime Factorization 7 × 31651141

Composite number
ω Distinct Factors 2
Total number of distinct prime factors
Ω Total Factors 2
Total number of prime factors
rad Radical 221557987
Product of the distinct prime numbers

The prime factorization of 221557987 is 7 × 31651141. Since it has a total of 2 prime factors.

Most popular turbo-numbers

6, 10, 10, 58, 268, 598, 3804, 3209, 3038, 36302, 633313, 105403, 620421, 2829217, 20901192, 61006743, 417459658, 64328985, 3487526597, 6521314984

Basic calculations (n = 221557987)

Multiplication

n×y
n×2 443115974
n×3 664673961
n×4 886231948
n×5 1107789935

Division

n÷y
n÷2 110778993.5
n÷3 73852662.333333
n÷3 55389496.75
n÷5 44311597.4

Exponentiation

ny
n2 49087941603492169
n3 1.0875825527643E+25
n4 2.4096260108679E+33
n5 5.3387188839072E+41

Nth Root

y√n
2√n 14884.824050018
3√n 605.10276422979
4√n 122.00337720743
5√n 46.676413885335

Divisors of 221557987

1, 7, 31651141, 221557987

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 -221557986
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 221557987 can be divided by 4 positive divisors. The sum of these divisors (counting 221557987) is 1, the average is 0.25.

Base conversion 221557987

Base System Value
2 Binary 1101001101001011010011100011
3 Ternary 120102220022102101
4 Quaternary 31031023103203
5 Quinary 423204323422
6 Senary 33552431231
8 Octal 1515132343
10 Decimal 221557987
12 Duodecimal 62248517
16 Hexadecimal d34b4e3
20 Vigesimal 394eej7
36 Base36 3nwr8j

Cryptographic Hash Functions

md5 00344050d250814fa7e6fc9f9d1b5abd
sha1 78a1b5ef999706e704d3dcbd45b948eec0baec7e
sha256 78e6698718c46df2f0f97c9c74dba437297a03bfe1bd4a975c75d3f5671cdb23
sha512 3186403063fb3cb75809337b6f8840908901176195b7288586bfd38d7b04ad6225cd78e8e603532cdd862f7153d4418cdf4a5a463f9f8c5fb50829c993591a73
ripemd-160 dd786c02e6675dd95a94aabcc71c1369a23499d2

221557987 as geometric shapes

Circle

Radius = n
Diameter 443115974
Circumference 1392089888.6067
Area 1.5421431672138E+17

Sphere

Radius = n
Volume 4.5556551439158E+25
Surface area 6.168572668855E+17
Circumference 1392089888.6067

Square

Length = n
Perimeter 886231948
Area 49087941603492169
Diagonal 313330310.06748

Cube

Length = n
Surface area 294527649620953014
Volume 1.0875825527643E+25
Space diagonal 383749690.30668

Equilateral Triangle

Length = n
Perimeter 664673961
Area 2.1255702224056E+16
Altitude 191874845.15334

Triangular Pyramid

Length = n
Surface area 2.1255702224056E+16
Volume 1.2817283302664E+24
Height 104443436.68916