221991749 (number)

221991749 is an odd 9-digits composite number following 221991748 and preceding 221991750. In scientific notation, it is written as 2.21991749 × 10^8. The sum of its digits is 44. It has a total of 4 prime factors and 16 positive divisors. There are 182088000 positive integers (up to 221991749) that are relatively prime to 221991749.

Interesting facts

Basic properties

Name

Name two hundred twenty-one million nine hundred ninety-one thousand seven hundred forty-nine

Notation

Scientific notation 2.21991749 × 10^8
Engineering notation 2.21991749 × 10^6

Prime Factorization of 221991749

Prime Factorization 61 × 7 × 37 × 14051

Composite number
ω Distinct Factors 4
Total number of distinct prime factors
Ω Total Factors 4
Total number of prime factors
rad Radical 221991749
Product of the distinct prime numbers

The prime factorization of 221991749 is 61 × 7 × 37 × 14051. Since it has a total of 4 prime factors.

Most popular turbo-numbers

Basic calculations (n = 221991749)

Multiplication

n×y
n×2 443983498
n×3 665975247
n×4 887966996
n×5 1109958745

Division

n÷y
n÷2 110995874.5
n÷3 73997249.666667
n÷3 55497937.25
n÷5 44398349.8

Exponentiation

ny
n2 49280336624079001
n3 1.0939828118488E+25
n4 2.4285515777825E+33
n5 5.3911841228866E+41

Nth Root

y√n
2√n 14899.387537748
3√n 605.49739302531
4√n 122.06304738842
5√n 46.694676028139

Divisors of 221991749

16 divisors

τ Total Divisors 16
Total number of the positive divisors of n
σ Sum of Divisors 1
Sum of all the positive divisors of n
s Aliquot Sum -221991748
Sum of the proper positive divisors of n
A Arithmetic Mean 0.0625
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 16
Returns the total number of divisors (τ(n)) divided by the sum of the reciprocal of each divisors

The number 221991749 can be divided by 16 positive divisors. The sum of these divisors (counting 221991749) is 1, the average is 0.0625.

Base conversion 221991749

Base System Value
2 Binary 1101001110110101001101000101
3 Ternary 120110201100102122
4 Quaternary 31032311031011
5 Quinary 423312213444
6 Senary 34010015325
8 Octal 1516651505
10 Decimal 221991749
12 Duodecimal 62417545
16 Hexadecimal d3b5345
20 Vigesimal 3978j79
36 Base36 3o61xh

Cryptographic Hash Functions

md5 8e9a2484d91eb7a3ff49c6e4934b3fdf
sha1 30e325d210d94b0d7a28a3aa7999305242cfccb9
sha256 f0660c40b614f1682c851aba7b0027a84a3a81c9b39b89cb078e8d9ef41a6255
sha512 03f4a30d6ba05a5600839b9a7a7e4509db565f01c899c06ee2a4b394fb6a11bc69732bd567d9ea774c05db8364207c947141c9e1c33d78ec4dd58f57c2560950
ripemd-160 1c691c44395ed4789b1422da3180a09385610d9e

221991749 as geometric shapes

Circle

Radius = n
Diameter 443983498
Circumference 1394815295.6319
Area 1.5481874350464E+17

Sphere

Radius = n
Volume 4.5824644864769E+25
Surface area 6.1927497401855E+17
Circumference 1394815295.6319

Square

Length = n
Perimeter 887966996
Area 49280336624079001
Diagonal 313943742.17072

Cube

Length = n
Surface area 295682019744474006
Volume 1.0939828118488E+25
Space diagonal 384500988.12908

Equilateral Triangle

Length = n
Perimeter 665975247
Area 2.1339011711751E+16
Altitude 192250494.06454

Triangular Pyramid

Length = n
Surface area 2.1339011711751E+16
Volume 1.289271107933E+24
Height 104647914.05691