221288981 (number)

221288981 is an odd 9-digits composite number following 221288980 and preceding 221288982. In scientific notation, it is written as 2.21288981 × 10^8. The sum of its digits is 41. It has a total of 2 prime factors and 4 positive divisors. There are 221256864 positive integers (up to 221288981) that are relatively prime to 221288981.

Interesting facts

Basic properties

Name

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

Notation

Scientific notation 2.21288981 × 10^8
Engineering notation 2.21288981 × 10^6

Prime Factorization of 221288981

Prime Factorization 22109 × 10009

Composite number
ω Distinct Factors 2
Total number of distinct prime factors
Ω Total Factors 2
Total number of prime factors
rad Radical 221288981
Product of the distinct prime numbers

The prime factorization of 221288981 is 22109 × 10009. Since it has a total of 2 prime factors.

Most popular turbo-numbers

1, 5, 45, 26, 330, 316, 7300, 4408, 38172, 15223, 606818, 385691, 4771951, 5287565, 87697881, 58573304, 409572620, 109183613, 4864913714, 1292404449

Basic calculations (n = 221288981)

Multiplication

n×y
n×2 442577962
n×3 663866943
n×4 885155924
n×5 1106444905

Division

n÷y
n÷2 110644490.5
n÷3 73762993.666667
n÷3 55322245.25
n÷5 44257796.2

Exponentiation

ny
n2 48968813112018361
n3 1.0836258754338E+25
n4 2.3979446575998E+33
n5 5.3063872977465E+41

Nth Root

y√n
2√n 14875.785054914
3√n 604.8577686277
4√n 121.96632754541
5√n 46.665073885273

Divisors of 221288981

1, 10009, 22109, 221288981

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 -221288980
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 221288981 can be divided by 4 positive divisors. The sum of these divisors (counting 221288981) is 1, the average is 0.25.

Base conversion 221288981

Base System Value
2 Binary 1101001100001001101000010101
3 Ternary 120102101122102012
4 Quaternary 31030021220111
5 Quinary 423122221411
6 Senary 33542554005
8 Octal 1514115025
10 Decimal 221288981
12 Duodecimal 62138905
16 Hexadecimal d309a15
20 Vigesimal 3931291
36 Base36 3nqzo5

Cryptographic Hash Functions

md5 21793447a9c3f3c6b875e93e5a7c5c62
sha1 b5a51fb371921f000beb5d80a9ff5f0d8267e0ec
sha256 0629fd7a2f464b672bb1022c4ea060b2ed5c5d65d9245f47983005fb148e1f48
sha512 bb610695136a7f999e79192f23d3ee0082f0d43e01827f6ae7aeb90f7d4ada23eefb18596604cad524851de1154a32f5f14224b530c4e10ee6010fda4e1b0247
ripemd-160 d97148769f935577cf3d1711fb76b7c9bbfe155c

221288981 as geometric shapes

Circle

Radius = n
Diameter 442577962
Circumference 1390399674.0599
Area 1.5384006352773E+17

Sphere

Radius = n
Volume 4.5390814526702E+25
Surface area 6.1536025411091E+17
Circumference 1390399674.0599

Square

Length = n
Perimeter 885155924
Area 48968813112018361
Diagonal 312949878.13392

Cube

Length = n
Surface area 293812878672110166
Volume 1.0836258754338E+25
Space diagonal 383283758.24714

Equilateral Triangle

Length = n
Perimeter 663866943
Area 2.120411807409E+16
Altitude 191641879.12357

Triangular Pyramid

Length = n
Surface area 2.120411807409E+16
Volume 1.2770653413141E+24
Height 104316626.04464