668291221 (number)

668291221 is an odd 9-digits composite number following 668291220 and preceding 668291222. In scientific notation, it is written as 6.68291221 × 10^8. The sum of its digits is 37. It has a total of 2 prime factors and 4 positive divisors. There are 616884192 positive integers (up to 668291221) that are relatively prime to 668291221.

Interesting facts

Basic properties

Name

Name six hundred sixty-eight million two hundred ninety-one thousand two hundred twenty-one

Notation

Scientific notation 6.68291221 × 10^8
Engineering notation 6.68291221 × 10^6

Prime Factorization of 668291221

Prime Factorization 13 × 51407017

Composite number
ω Distinct Factors 2
Total number of distinct prime factors
Ω Total Factors 2
Total number of prime factors
rad Radical 668291221
Product of the distinct prime numbers

The prime factorization of 668291221 is 13 × 51407017. Since it has a total of 2 prime factors.

Most popular turbo-numbers

1, 10, 63, 52, 695, 101, 1255, 6242, 60450, 92498, 193412, 171774, 1736994, 8773598, 89389638, 834526, 724124317, 839631089, 7671113350, 9690184133

Basic calculations (n = 668291221)

Multiplication

n×y
n×2 1336582442
n×3 2004873663
n×4 2673164884
n×5 3341456105

Division

n÷y
n÷2 334145610.5
n÷3 222763740.33333
n÷3 167072805.25
n÷5 133658244.2

Exponentiation

ny
n2 446613156065670841
n3 2.9846765138179E+26
n4 1.9946331117094E+35
n5 1.3329957976713E+44

Nth Root

y√n
2√n 25851.329192132
3√n 874.28947859677
4√n 160.7834854459
5√n 58.209403812284

Divisors of 668291221

1, 13, 51407017, 668291221

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 -668291220
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 668291221 can be divided by 4 positive divisors. The sum of these divisors (counting 668291221) is 1, the average is 0.25.

Base conversion 668291221

Base System Value
2 Binary 100111110101010101000010010101
3 Ternary 1201120111201012201
4 Quaternary 213311111002111
5 Quinary 2332040304341
6 Senary 150151444501
8 Octal 4765250225
10 Decimal 668291221
12 Duodecimal 167986731
16 Hexadecimal 27d55095
20 Vigesimal a8gg811
36 Base36 b1vst1

Cryptographic Hash Functions

md5 6d9be02e467157bffc721e4e5515d239
sha1 3fa4354c45239af8afd0effc4f40bb9835f21e7f
sha256 98cf4c7b0b49d106e29406af37211045064b3e5b693ac056776476df5b6e5eea
sha512 5e626997001e605e8a9d5c4fc613d45f488df2d64f3e2755cdc52cf5faa89713ed7e844743edf6952655309da42eafb161f299207ecc86e737ae6a1ec1099cc7
ripemd-160 dba520424df822b1d709a8c0608cf1f7357b7d44

668291221 as geometric shapes

Circle

Radius = n
Diameter 1336582442
Circumference 4198997580.7043
Area 1.4030766100925E+18

Sphere

Radius = n
Volume 1.2502183745536E+27
Surface area 5.6123064403699E+18
Circumference 4198997580.7043

Square

Length = n
Perimeter 2673164884
Area 446613156065670841
Diagonal 945106508.35308

Cube

Length = n
Surface area 2679678936394025046
Volume 2.9846765138179E+26
Space diagonal 1157514349.0242

Equilateral Triangle

Length = n
Perimeter 2004873663
Area 1.9338916940861E+17
Altitude 578757174.51212

Triangular Pyramid

Length = n
Surface area 1.9338916940861E+17
Volume 3.5174750042814E+25
Height 315035502.78436