130721815 (number)

130721815 is an odd 9-digits composite number following 130721814 and preceding 130721816. In scientific notation, it is written as 1.30721815 × 10^8. The sum of its digits is 28. It has a total of 2 prime factors and 4 positive divisors. There are 89637792 positive integers (up to 130721815) that are relatively prime to 130721815.

Interesting facts

Basic properties

Name

Name one hundred thirty million seven hundred twenty-one thousand eight hundred fifteen

Notation

Scientific notation 1.30721815 × 10^8
Engineering notation 1.30721815 × 10^6

Prime Factorization of 130721815

Prime Factorization 35 × 3734909

Composite number
ω Distinct Factors 2
Total number of distinct prime factors
Ω Total Factors 2
Total number of prime factors
rad Radical 130721815
Product of the distinct prime numbers

The prime factorization of 130721815 is 35 × 3734909. Since it has a total of 2 prime factors.

Most popular turbo-numbers

Basic calculations (n = 130721815)

Multiplication

n×y
n×2 261443630
n×3 392165445
n×4 522887260
n×5 653609075

Division

n÷y
n÷2 65360907.5
n÷3 43573938.333333
n÷3 32680453.75
n÷5 26144363

Exponentiation

ny
n2 17088192916894225
n3 2.2337995931666E+24
n4 2.9200633716499E+32
n5 3.817159838571E+40

Nth Root

y√n
2√n 11433.364115605
3√n 507.51555356896
4√n 106.92691015645
5√n 42.001965496483

Divisors of 130721815

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 -130721814
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 130721815 can be divided by 4 positive divisors. The sum of these divisors (counting 130721815) is 1, the average is 0.25.

Base conversion 130721815

Base System Value
2 Binary 111110010101010100000010111
3 Ternary 100002222100121201
4 Quaternary 13302222200113
5 Quinary 231431044230
6 Senary 20545453331
8 Octal 762524027
10 Decimal 130721815
12 Duodecimal 37941247
16 Hexadecimal 7caa817
20 Vigesimal 20h04af
36 Base36 25ttlj

Cryptographic Hash Functions

md5 359063af5fa2bbbc53c8db77fdab312b
sha1 453ef18881c94244d3c5b4661dbf97f84abaf312
sha256 1a7614b5c480133de9f265e521576bda7cf1209324aaf15033bbcd2fe48c0c5e
sha512 583da8c18d99ea13fa0a57bb953753966b99527fca96200f64d9eda63bac84c5bafe9d988984d686f44fee3a74039dee219a98143be32189297032891c4dbf61
ripemd-160 9ca9dcb9b99022f5568ec9895dab868ac9d50c53

130721815 as geometric shapes

Circle

Radius = n
Diameter 261443630
Circumference 821349387.33585
Area 5.368414133084E+16

Sphere

Radius = n
Volume 9.3569178553119E+24
Surface area 2.1473656532336E+17
Circumference 821349387.33585

Square

Length = n
Perimeter 522887260
Area 17088192916894225
Diagonal 184868563.67103

Cube

Length = n
Surface area 102529157501365350
Volume 2.2337995931666E+24
Space diagonal 226416825.23762

Equilateral Triangle

Length = n
Perimeter 392165445
Area 7.3994045853999E+15
Altitude 113208412.61881

Triangular Pyramid

Length = n
Surface area 7.3994045853999E+15
Volume 2.6325580668997E+23
Height 61622854.557009