221666761 (number)

221666761 is an odd 9-digits prime number following 221666760 and preceding 221666762. In scientific notation, it is written as 2.21666761 × 10^8. The sum of its digits is 37. It has a total of 1 prime factors and 2 positive divisors. There are 221666760 positive integers (up to 221666761) that are relatively prime to 221666761.

Interesting facts

Basic properties

Name

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

Notation

Scientific notation 2.21666761 × 10^8
Engineering notation 2.21666761 × 10^6

Prime Factorization of 221666761

Prime Factorization 221666761

Composite number
ω Distinct Factors 1
Total number of distinct prime factors
Ω Total Factors 1
Total number of prime factors
rad Radical 221666761
Product of the distinct prime numbers

The prime factorization of 221666761 is 221666761. Since it has a total of 1 prime factors.

Most popular turbo-numbers

10, 8, 22, 55, 852, 774, 4492, 8073, 57631, 81323, 368769, 991124, 3744762, 5402329, 87547525, 80325996, 668124076, 624713691, 6483265726, 954396607

Basic calculations (n = 221666761)

Multiplication

n×y
n×2 443333522
n×3 665000283
n×4 886667044
n×5 1108333805

Division

n÷y
n÷2 110833380.5
n÷3 73888920.333333
n÷3 55416690.25
n÷5 44333352.2

Exponentiation

ny
n2 49136152932231121
n3 1.0891851868488E+25
n4 2.4143615249796E+33
n5 5.3518369912525E+41

Nth Root

y√n
2√n 14888.477457417
3√n 605.20177319285
4√n 122.01834885548
5√n 46.680996147116

Divisors of 221666761

1, 221666761

2 divisors

τ Total Divisors 2
Total number of the positive divisors of n
σ Sum of Divisors 221666762
Sum of all the positive divisors of n
s Aliquot Sum 1
Sum of the proper positive divisors of n
A Arithmetic Mean 110833381
Returns the sum of divisors (σ(n)) divided by the total number of divisors (τ(n))
G Geometric Mean 14888.477491
Returns the nth root of the product of n divisors
H Harmonic Mean 1.9999999909774
Returns the total number of divisors (τ(n)) divided by the sum of the reciprocal of each divisors

The number 221666761 can be divided by 2 positive divisors. The sum of these divisors (counting 221666761) is 221666762, the average is 110833381.

Base conversion 221666761

Base System Value
2 Binary 1101001101100101110111001001
3 Ternary 120110002211122001
4 Quaternary 31031211313021
5 Quinary 423221314021
6 Senary 33555031001
8 Octal 1515456711
10 Decimal 221666761
12 Duodecimal 6229b461
16 Hexadecimal d365dc9
20 Vigesimal 39586i1
36 Base36 3nz361

Cryptographic Hash Functions

md5 403089f7774e19739fa7696f7009b13a
sha1 720f88d2a27b27907deb07b0bb9cebd4b46f0ed6
sha256 34036d7e885516ca2f2d7560191e3b629e5c1c65c74d526407ffc4a864feb07f
sha512 0b085e1713fceb09414d27970d2394dc45cb05c817620a745acd332396c768a94d8c07826bd4299c2e48b7cd379e148c0371e949db482c91522e90f99c68d7e9
ripemd-160 7711214989648c73b79b7ad3e8e30e1eebaf23c8

221666761 as geometric shapes

Circle

Radius = n
Diameter 443333522
Circumference 1392773335.8053
Area 1.5436577707756E+17

Sphere

Radius = n
Volume 4.5623682418708E+25
Surface area 6.1746310831025E+17
Circumference 1392773335.8053

Square

Length = n
Perimeter 886667044
Area 49136152932231121
Diagonal 313484139.73352

Cube

Length = n
Surface area 294816917593386726
Volume 1.0891851868488E+25
Space diagonal 383938092.40123

Equilateral Triangle

Length = n
Perimeter 665000283
Area 2.1276578341775E+16
Altitude 191969046.20061

Triangular Pyramid

Length = n
Surface area 2.1276578341775E+16
Volume 1.2836170526479E+24
Height 104494713.24451