221640661 (number)

221640661 is an odd 9-digits composite number following 221640660 and preceding 221640662. In scientific notation, it is written as 2.21640661 × 10^8. The sum of its digits is 28. It has a total of 3 prime factors and 6 positive divisors. There are 201491400 positive integers (up to 221640661) that are relatively prime to 221640661.

Interesting facts

Basic properties

Name

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

Notation

Scientific notation 2.21640661 × 10^8
Engineering notation 2.21640661 × 10^6

Prime Factorization of 221640661

Prime Factorization 11 × 11 × 1831741

Composite number
ω Distinct Factors 2
Total number of distinct prime factors
Ω Total Factors 3
Total number of prime factors
rad Radical 20149151
Product of the distinct prime numbers

The prime factorization of 221640661 is 11 × 11 × 1831741. Since it has a total of 3 prime factors.

Most popular turbo-numbers

9, 1, 73, 73, 174, 465, 4896, 2486, 17513, 29657, 723340, 292402, 7057437, 4272162, 85875390, 64754423, 149259142, 6350817, 7728453138, 9981926499

Basic calculations (n = 221640661)

Multiplication

n×y
n×2 443281322
n×3 664921983
n×4 886562644
n×5 1108203305

Division

n÷y
n÷2 110820330.5
n÷3 73880220.333333
n÷3 55410165.25
n÷5 44328132.2

Exponentiation

ny
n2 49124582608516921
n3 1.0888004960701E+25
n4 2.413224616461E+33
n5 5.3486869913389E+41

Nth Root

y√n
2√n 14887.600914855
3√n 605.17801923864
4√n 122.01475695528
5√n 46.679896810995

Divisors of 221640661

1, 11, 121, 1831741, 20149151, 221640661

6 divisors

τ Total Divisors 6
Total number of the positive divisors of n
σ Sum of Divisors 1
Sum of all the positive divisors of n
s Aliquot Sum -221640660
Sum of the proper positive divisors of n
A Arithmetic Mean 0.16666666666667
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 6
Returns the total number of divisors (τ(n)) divided by the sum of the reciprocal of each divisors

The number 221640661 can be divided by 6 positive divisors. The sum of these divisors (counting 221640661) is 1, the average is 0.16666666666667.

Base conversion 221640661

Base System Value
2 Binary 1101001101011111011111010101
3 Ternary 120110001111211101
4 Quaternary 31031133133111
5 Quinary 423220000121
6 Senary 33554310101
8 Octal 1515373725
10 Decimal 221640661
12 Duodecimal 62288331
16 Hexadecimal d35f7d5
20 Vigesimal 39551d1
36 Base36 3nyj11

Cryptographic Hash Functions

md5 358ad3a46e294328f93588bfe97c3c41
sha1 3819a47f32cfcb00c9e3c540bde1c1c7119c5786
sha256 f1458a9fa475466a6d9b70bd6941587d157a14a7f2e0523567955629bfd96b54
sha512 122b1e97aa57fd4da5aafb38eb09f117509c26d566d632f416202d4f50e61aaa6dd484fbb3e18dececb94980ffd660ba6bd555be6bfd21120e26daa44b3d8bce
ripemd-160 04b7dd0eb58e9f4a897cf2aed04072930a7692ff

221640661 as geometric shapes

Circle

Radius = n
Diameter 443281322
Circumference 1392609344.6688
Area 1.5432942783358E+17

Sphere

Radius = n
Volume 4.5607568529049E+25
Surface area 6.1731771133433E+17
Circumference 1392609344.6688

Square

Length = n
Perimeter 886562644
Area 49124582608516921
Diagonal 313447228.75954

Cube

Length = n
Surface area 294747495651101526
Volume 1.0888004960701E+25
Space diagonal 383892885.87515

Equilateral Triangle

Length = n
Perimeter 664921983
Area 2.1271568244641E+16
Altitude 191946442.93757

Triangular Pyramid

Length = n
Surface area 2.1271568244641E+16
Volume 1.2831636902174E+24
Height 104482409.58651