15820121 (number)

15820121 is an odd 8-digits composite number following 15820120 and preceding 15820122. In scientific notation, it is written as 1.5820121 × 10^7. The sum of its digits is 20. It has a total of 2 prime factors and 4 positive divisors. There are 15811200 positive integers (up to 15820121) that are relatively prime to 15820121.

Interesting facts

Basic properties

Name

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

Notation

Scientific notation 1.5820121 × 10^7
Engineering notation 1.5820121 × 10^6

Prime Factorization of 15820121

Prime Factorization 2441 × 6481

Composite number
ω Distinct Factors 2
Total number of distinct prime factors
Ω Total Factors 2
Total number of prime factors
rad Radical 15820121
Product of the distinct prime numbers

The prime factorization of 15820121 is 2441 × 6481. Since it has a total of 2 prime factors.

Most popular turbo-numbers

Basic calculations (n = 15820121)

Multiplication

n×y
n×2 31640242
n×3 47460363
n×4 63280484
n×5 79100605

Division

n÷y
n÷2 7910060.5
n÷3 5273373.6666667
n÷3 3955030.25
n÷5 3164024.2

Exponentiation

ny
n2 250276228454641
n3 3.9594002175761E+21
n4 6.263819052948E+28
n5 9.9094375339742E+35

Nth Root

y√n
2√n 3977.451571044
3√n 251.03634336682
4√n 63.06704029082
5√n 27.532266214473

Divisors of 15820121

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 -15820120
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 15820121 can be divided by 4 positive divisors. The sum of these divisors (counting 15820121) is 1, the average is 0.25.

Base conversion 15820121

Base System Value
2 Binary 111100010110010101011001
3 Ternary 1002202202010102
4 Quaternary 330112111121
5 Quinary 13022220441
6 Senary 1323025145
8 Octal 74262531
10 Decimal 15820121
12 Duodecimal 536b1b5
16 Hexadecimal f16559
20 Vigesimal 4iha61
36 Base36 9f2vt

Cryptographic Hash Functions

md5 531f065af8dd1f1826297666e277465f
sha1 9f3f15eccba5b57b9f7d1edb86f58af51733e4d9
sha256 a92b50064cf98988945096b8e97ee93ab85e37303a37bff84b8de812dfd63601
sha512 2d2bfa6bcb6f20f428acb8e1427e437b2418583d8a61d80ab20a001037153dcf3a3a6c53c8ec5e6aba78182b70f2bb1f600691a23dfc11c0aa879347692bd7cc
ripemd-160 a728bce05a072037e4f62d6cbaa666eb31ff138d

15820121 as geometric shapes

Circle

Radius = n
Diameter 31640242
Circumference 99400751.825003
Area 7.8626596068126E+14

Sphere

Radius = n
Volume 1.6585096848212E+22
Surface area 3.145063842725E+15
Circumference 99400751.825003

Square

Length = n
Perimeter 63280484
Area 250276228454641
Diagonal 22373029.676583

Cube

Length = n
Surface area 1501657370727846
Volume 3.9594002175761E+21
Space diagonal 27401253.353887

Equilateral Triangle

Length = n
Perimeter 47460363
Area 1.0837278590254E+14
Altitude 13700626.676944

Triangular Pyramid

Length = n
Surface area 1.0837278590254E+14
Volume 4.6661979054659E+20
Height 7457676.5588611