221661749 (number)

221661749 is an odd 9-digits composite number following 221661748 and preceding 221661750. In scientific notation, it is written as 2.21661749 × 10^8. The sum of its digits is 38. It has a total of 2 prime factors and 4 positive divisors. There are 214511340 positive integers (up to 221661749) that are relatively prime to 221661749.

Interesting facts

Basic properties

Name

Name two hundred twenty-one million six hundred sixty-one thousand seven hundred forty-nine

Notation

Scientific notation 2.21661749 × 10^8
Engineering notation 2.21661749 × 10^6

Prime Factorization of 221661749

Prime Factorization 31 × 7150379

Composite number
ω Distinct Factors 2
Total number of distinct prime factors
Ω Total Factors 2
Total number of prime factors
rad Radical 221661749
Product of the distinct prime numbers

The prime factorization of 221661749 is 31 × 7150379. Since it has a total of 2 prime factors.

Most popular turbo-numbers

8, 9, 13, 92, 219, 391, 6638, 7292, 71113, 26877, 415203, 773194, 9491477, 3084097, 65457675, 80267127, 587347506, 983849960, 6445548671, 16899317

Basic calculations (n = 221661749)

Multiplication

n×y
n×2 443323498
n×3 664985247
n×4 886646996
n×5 1108308745

Division

n÷y
n÷2 110830874.5
n÷3 73887249.666667
n÷3 55415437.25
n÷5 44332349.8

Exponentiation

ny
n2 49133930969739001
n3 1.0891113073998E+25
n4 2.4141431725391E+33
n5 5.3512319796142E+41

Nth Root

y√n
2√n 14888.309138381
3√n 605.19721185021
4√n 122.01765912515
5√n 46.680785048918

Divisors of 221661749

1, 31, 7150379, 221661749

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 -221661748
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 221661749 can be divided by 4 positive divisors. The sum of these divisors (counting 221661749) is 1, the average is 0.25.

Base conversion 221661749

Base System Value
2 Binary 1101001101100100101000110101
3 Ternary 120110002120202102
4 Quaternary 31031210220311
5 Quinary 423221133444
6 Senary 33554551445
8 Octal 1515445065
10 Decimal 221661749
12 Duodecimal 62298585
16 Hexadecimal d364a35
20 Vigesimal 3957e79
36 Base36 3nyzat

Cryptographic Hash Functions

md5 5cc32a08ad72f3855c8cc81685b01036
sha1 c628857ec21703707ab065e18bd3dba14edc6c59
sha256 cae6e76bd616bfbb84bb0ff38f5d353dd28433d335e2f63258eb0fbf92e6339a
sha512 0725d494f76b1f6fe95106265c1c5e684db32cbde89c4001ece8b3864061e519b63d870b17c706394dba9e942fd376179ad52acdb60c55fed89a7aa351abab09
ripemd-160 6f971beb00ed2098724489c51b05bd33b21231d6

221661749 as geometric shapes

Circle

Radius = n
Diameter 443323498
Circumference 1392741844.4805
Area 1.5435879657652E+17

Sphere

Radius = n
Volume 4.5620587763582E+25
Surface area 6.1743518630608E+17
Circumference 1392741844.4805

Square

Length = n
Perimeter 886646996
Area 49133930969739001
Diagonal 313477051.69514

Cube

Length = n
Surface area 294803585818434006
Volume 1.0891113073998E+25
Space diagonal 383929411.36258

Equilateral Triangle

Length = n
Perimeter 664985247
Area 2.1275616203792E+16
Altitude 191964705.68129

Triangular Pyramid

Length = n
Surface area 2.1275616203792E+16
Volume 1.2835299848822E+24
Height 104492350.56505