130721810 (number)

130721810 is an even 9-digits composite number following 130721809 and preceding 130721811. In scientific notation, it is written as 1.30721810 × 10^8. The sum of its digits is 23. It has a total of 3 prime factors and 8 positive divisors. There are 52288720 positive integers (up to 130721810) that are relatively prime to 130721810.

Interesting facts

Basic properties

Name

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

Notation

Scientific notation 1.30721810 × 10^8
Engineering notation 1.30721810 × 10^6

Prime Factorization of 130721810

Prime Factorization 2 × 5 × 13072181

Composite number
ω Distinct Factors 3
Total number of distinct prime factors
Ω Total Factors 3
Total number of prime factors
rad Radical 130721810
Product of the distinct prime numbers

The prime factorization of 130721810 is 2 × 5 × 13072181. Since it has a total of 3 prime factors.

Most popular turbo-numbers

10, 7, 100, 74, 124, 507, 4994, 5820, 53370, 37656, 736376, 575978, 4318229, 6617615, 9238949, 52602599, 384891594, 939469531, 5443380213, 4936384114

Basic calculations (n = 130721810)

Multiplication

n×y
n×2 261443620
n×3 392165430
n×4 522887240
n×5 653609050

Division

n÷y
n÷2 65360905
n÷3 43573936.666667
n÷3 32680452.5
n÷5 26144362

Exponentiation

ny
n2 17088191609676100
n3 2.2337993368437E+24
n4 2.92006292489E+32
n5 3.8171591085552E+40

Nth Root

y√n
2√n 11433.363896947
3√n 507.51554709827
4√n 106.92690913398
5√n 42.001965175175

Divisors of 130721810

1, 2, 5, 10, 13072181, 26144362, 65360905, 130721810

8 divisors

τ Total Divisors 8
Total number of the positive divisors of n
σ Sum of Divisors 1
Sum of all the positive divisors of n
s Aliquot Sum -130721809
Sum of the proper positive divisors of n
A Arithmetic Mean 0.125
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 8
Returns the total number of divisors (τ(n)) divided by the sum of the reciprocal of each divisors

The number 130721810 can be divided by 8 positive divisors. The sum of these divisors (counting 130721810) is 1, the average is 0.125.

Base conversion 130721810

Base System Value
2 Binary 111110010101010100000010010
3 Ternary 100002222100121112
4 Quaternary 13302222200102
5 Quinary 231431044220
6 Senary 20545453322
8 Octal 762524022
10 Decimal 130721810
12 Duodecimal 37941242
16 Hexadecimal 7caa812
20 Vigesimal 20h04aa
36 Base36 25ttle

Cryptographic Hash Functions

md5 a09be6c2eb2ce9ae9744349a809e222c
sha1 129773adb48896dd1deb091220c1f1ff9b082e92
sha256 884bafac5101b7dff418b27eb5cbd8063327a3e0268afa7528ff4d07271c9015
sha512 272e1ed4f7cf6eb1443808934d6994ed6954af77242b7b5d1af561bd152c86496fb799ba8ba155645bdd1b496cf0550c624496401cdf59b24bcbf852a70d902f
ripemd-160 6adf7891fe56428a74928d089ed793adf60b7eff

130721810 as geometric shapes

Circle

Radius = n
Diameter 261443620
Circumference 821349355.91992
Area 5.3684137224093E+16

Sphere

Radius = n
Volume 9.3569167816291E+24
Surface area 2.1473654889637E+17
Circumference 821349355.91992

Square

Length = n
Perimeter 522887240
Area 17088191609676100
Diagonal 184868556.59996

Cube

Length = n
Surface area 102529149658056600
Volume 2.2337993368437E+24
Space diagonal 226416816.57737

Equilateral Triangle

Length = n
Perimeter 392165430
Area 7.3994040193578E+15
Altitude 113208408.28868

Triangular Pyramid

Length = n
Surface area 7.3994040193578E+15
Volume 2.6325577648203E+23
Height 61622852.199986