221361491 (number)

221361491 is an odd 9-digits composite number following 221361490 and preceding 221361492. In scientific notation, it is written as 2.21361491 × 10^8. The sum of its digits is 29. It has a total of 3 prime factors and 8 positive divisors. There are 198810720 positive integers (up to 221361491) that are relatively prime to 221361491.

Interesting facts

Basic properties

Name

Name two hundred twenty-one million three hundred sixty-one thousand four hundred ninety-one

Notation

Scientific notation 2.21361491 × 10^8
Engineering notation 2.21361491 × 10^6

Prime Factorization of 221361491

Prime Factorization 13 × 37 × 460211

Composite number
ω Distinct Factors 3
Total number of distinct prime factors
Ω Total Factors 3
Total number of prime factors
rad Radical 221361491
Product of the distinct prime numbers

The prime factorization of 221361491 is 13 × 37 × 460211. Since it has a total of 3 prime factors.

Most popular turbo-numbers

8, 3, 38, 89, 929, 774, 6144, 5798, 94522, 39329, 484862, 802271, 1093273, 2709403, 53665873, 46195285, 212294243, 507003632, 1166419972, 3400820397

Basic calculations (n = 221361491)

Multiplication

n×y
n×2 442722982
n×3 664084473
n×4 885445964
n×5 1106807455

Division

n÷y
n÷2 110680745.5
n÷3 73787163.666667
n÷3 55340372.75
n÷5 44272298.2

Exponentiation

ny
n2 49000909697743081
n3 1.0846914431049E+25
n4 2.4010891512064E+33
n5 5.3150867453497E+41

Nth Root

y√n
2√n 14878.222037596
3√n 604.92382621315
4√n 121.97631752761
5√n 46.668131643581

Divisors of 221361491

1, 13, 37, 481, 460211, 5982743, 17027807, 221361491

8 divisors

τ Total Divisors 8
Total number of the positive divisors of n
σ Sum of Divisors 1
Sum of all the positive divisors of n
s Aliquot Sum -221361490
Sum of the proper positive divisors of n
A Arithmetic Mean 0.125
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 8
Returns the total number of divisors (τ(n)) divided by the sum of the reciprocal of each divisors

The number 221361491 can be divided by 8 positive divisors. The sum of these divisors (counting 221361491) is 1, the average is 0.125.

Base conversion 221361491

Base System Value
2 Binary 1101001100011011010101010011
3 Ternary 120102112022212202
4 Quaternary 31030123111103
5 Quinary 423132031431
6 Senary 33544313415
8 Octal 1514332523
10 Decimal 221361491
12 Duodecimal 6217286b
16 Hexadecimal d31b553
20 Vigesimal 393a3eb
36 Base36 3nsjmb

Cryptographic Hash Functions

md5 d9d9acc0c9344b52733f9ebf777a80cb
sha1 00f08bdc68269e6cf85656c6cb1020c136fbb365
sha256 eed58a9dcbf2b99ed489f112725520d13a551c4258a5c1fb3eca019679998381
sha512 f9910e440a66cae03889e0055f398344a92a823b43df9a65f53d5d62b4383c0cc42c7c2df1f42395ab0cc10beef2169ea2097ec0413cfa0c48c912fb5e9134ec
ripemd-160 c4f35208e0d2bae4544f8881a638e7aa1cb2a37f

221361491 as geometric shapes

Circle

Radius = n
Diameter 442722982
Circumference 1390855267.8266
Area 1.5394089792565E+17

Sphere

Radius = n
Volume 4.5435448920933E+25
Surface area 6.1576359170259E+17
Circumference 1390855267.8266

Square

Length = n
Perimeter 885445964
Area 49000909697743081
Diagonal 313052422.75933

Cube

Length = n
Surface area 294005458186458486
Volume 1.0846914431049E+25
Space diagonal 383409349.2512

Equilateral Triangle

Length = n
Perimeter 664084473
Area 2.1218016303396E+16
Altitude 191704674.6256

Triangular Pyramid

Length = n
Surface area 2.1218016303396E+16
Volume 1.2783211248575E+24
Height 104350807.58644