15291221 (number)

15291221 is an odd 8-digits composite number following 15291220 and preceding 15291222. In scientific notation, it is written as 1.5291221 × 10^7. The sum of its digits is 23. It has a total of 2 prime factors and 4 positive divisors. There are 13901100 positive integers (up to 15291221) that are relatively prime to 15291221.

Interesting facts

Basic properties

Name

Name fifteen million two hundred ninety-one thousand two hundred twenty-one

Notation

Scientific notation 1.5291221 × 10^7
Engineering notation 1.5291221 × 10^6

Prime Factorization of 15291221

Prime Factorization 11 × 1390111

Composite number
ω Distinct Factors 2
Total number of distinct prime factors
Ω Total Factors 2
Total number of prime factors
rad Radical 15291221
Product of the distinct prime numbers

The prime factorization of 15291221 is 11 × 1390111. Since it has a total of 2 prime factors.

Most popular turbo-numbers

Basic calculations (n = 15291221)

Multiplication

n×y
n×2 30582442
n×3 45873663
n×4 61164884
n×5 76456105

Division

n÷y
n÷2 7645610.5
n÷3 5097073.6666667
n÷3 3822805.25
n÷5 3058244.2

Exponentiation

ny
n2 233821439670841
n3 3.575415308545E+21
n4 5.4672465649745E+28
n5 8.3600875486516E+35

Nth Root

y√n
2√n 3910.3990844925
3√n 248.20701692172
4√n 62.533183866588
5√n 27.345661466259

Divisors of 15291221

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 -15291220
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 15291221 can be divided by 4 positive divisors. The sum of these divisors (counting 15291221) is 1, the average is 0.25.

Base conversion 15291221

Base System Value
2 Binary 111010010101001101010101
3 Ternary 1001202212121112
4 Quaternary 322111031111
5 Quinary 12403304341
6 Senary 1303424405
8 Octal 72251525
10 Decimal 15291221
12 Duodecimal 5155105
16 Hexadecimal e95355
20 Vigesimal 4fb811
36 Base36 93qs5

Cryptographic Hash Functions

md5 7f14332808fa4068146fbca1c0bb4e80
sha1 17ecd660995cae4e0334690be125f180b3ce9cbf
sha256 086af888cc802a25b4a61bac93b89cd5ea448870b4d6f2ae5ac2354e43b7cb8b
sha512 e06b7ebc099f9cc63b22f01bc8f6f622373b702d39f7d70c7ca546ad53d7f29d8f84180bfd19e2f599fbd15739ca2cfc346418c44943ef51ecea77d526e0650c
ripemd-160 2314a5f0c820e7936ce3db27622450a699a8e6eb

15291221 as geometric shapes

Circle

Radius = n
Diameter 30582442
Circumference 96077575.116036
Area 7.345717171217E+14

Sphere

Radius = n
Volume 1.4976664622477E+22
Surface area 2.9382868684868E+15
Circumference 96077575.116036

Square

Length = n
Perimeter 61164884
Area 233821439670841
Diagonal 21625052.123444

Cube

Length = n
Surface area 1402928638025046
Volume 3.575415308545E+21
Space diagonal 26485171.681764

Equilateral Triangle

Length = n
Perimeter 45873663
Area 1.012476533522E+14
Altitude 13242585.840882

Triangular Pyramid

Length = n
Surface area 1.012476533522E+14
Volume 4.2136673503839E+20
Height 7208350.7078148