221640161 (number)

221640161 is an odd 9-digits composite number following 221640160 and preceding 221640162. In scientific notation, it is written as 2.21640161 × 10^8. The sum of its digits is 23. It has a total of 2 prime factors and 4 positive divisors. There are 220358832 positive integers (up to 221640161) that are relatively prime to 221640161.

Interesting facts

Basic properties

Name

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

Notation

Scientific notation 2.21640161 × 10^8
Engineering notation 2.21640161 × 10^6

Prime Factorization of 221640161

Prime Factorization 173 × 1281157

Composite number
ω Distinct Factors 2
Total number of distinct prime factors
Ω Total Factors 2
Total number of prime factors
rad Radical 221640161
Product of the distinct prime numbers

The prime factorization of 221640161 is 173 × 1281157. Since it has a total of 2 prime factors.

Most popular turbo-numbers

10, 7, 90, 18, 139, 865, 9372, 987, 59267, 92524, 767530, 687684, 1352657, 5782384, 42948343, 62190029, 592216580, 232829930, 8455149116, 7879400608

Basic calculations (n = 221640161)

Multiplication

n×y
n×2 443280322
n×3 664920483
n×4 886560644
n×5 1108200805

Division

n÷y
n÷2 110820080.5
n÷3 73880053.666667
n÷3 55410040.25
n÷5 44328032.2

Exponentiation

ny
n2 49124360968105921
n3 1.0887931273993E+25
n4 2.4132028405248E+33
n5 5.3486266609957E+41

Nth Root

y√n
2√n 14887.584122348
3√n 605.17756416384
4√n 122.01468814183
5√n 46.679875749905

Divisors of 221640161

1, 173, 1281157, 221640161

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 -221640160
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 221640161 can be divided by 4 positive divisors. The sum of these divisors (counting 221640161) is 1, the average is 0.25.

Base conversion 221640161

Base System Value
2 Binary 1101001101011111010111100001
3 Ternary 120110001111010212
4 Quaternary 31031133113201
5 Quinary 423214441121
6 Senary 33554303505
8 Octal 1515372741
10 Decimal 221640161
12 Duodecimal 62287b95
16 Hexadecimal d35f5e1
20 Vigesimal 3955081
36 Base36 3nyin5

Cryptographic Hash Functions

md5 9a407c7c220083abc50bfbd08332f1b2
sha1 c8cf4b08989f449a0a2e19bfaddfff7cff309baf
sha256 05857fa73a98864ee9dffde7f1f413054968f9db5b702754b35fe851e08ca248
sha512 afb39a84ac096c7c0eb22be6f37047f44725b0176a667d7fc3f2ff86e057288d0d7bbeceb65ab16c896647dd58ed9e6b910946bba361365b7247a72fa653d097
ripemd-160 adc2bc7f82ae22fd07150666b4d9624092314532

221640161 as geometric shapes

Circle

Radius = n
Diameter 443280322
Circumference 1392606203.0761
Area 1.5432873152969E+17

Sphere

Radius = n
Volume 4.560725987089E+25
Surface area 6.1731492611878E+17
Circumference 1392606203.0761

Square

Length = n
Perimeter 886560644
Area 49124360968105921
Diagonal 313446521.65276

Cube

Length = n
Surface area 294746165808635526
Volume 1.0887931273993E+25
Space diagonal 383892019.84975

Equilateral Triangle

Length = n
Perimeter 664920483
Area 2.1271472271528E+16
Altitude 191946009.92487

Triangular Pyramid

Length = n
Surface area 2.1271472271528E+16
Volume 1.2831550061556E+24
Height 104482173.88425