15540981 (number)

15540981 is an odd 8-digits composite number following 15540980 and preceding 15540982. In scientific notation, it is written as 1.5540981 × 10^7. The sum of its digits is 33. It has a total of 3 prime factors and 8 positive divisors. There are 10326720 positive integers (up to 15540981) that are relatively prime to 15540981.

Interesting facts

Basic properties

Name

Name fifteen million five hundred forty thousand nine hundred eighty-one

Notation

Scientific notation 1.5540981 × 10^7
Engineering notation 1.5540981 × 10^6

Prime Factorization of 15540981

Prime Factorization 3 × 311 × 16657

Composite number
ω Distinct Factors 3
Total number of distinct prime factors
Ω Total Factors 3
Total number of prime factors
rad Radical 15540981
Product of the distinct prime numbers

The prime factorization of 15540981 is 3 × 311 × 16657. Since it has a total of 3 prime factors.

Most popular turbo-numbers

Basic calculations (n = 15540981)

Multiplication

n×y
n×2 31081962
n×3 46622943
n×4 62163924
n×5 77704905

Division

n÷y
n÷2 7770490.5
n÷3 5180327
n÷3 3885245.25
n÷5 3108196.2

Exponentiation

ny
n2 241522090442361
n3 3.753490218645E+21
n4 5.8332920171648E+28
n5 9.065508040621E+35

Nth Root

y√n
2√n 3942.2050935993
3√n 249.55109307944
4√n 62.786981879999
5√n 27.43441386171

Divisors of 15540981

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 -15540980
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 15540981 can be divided by 8 positive divisors. The sum of these divisors (counting 15540981) is 1, the average is 0.125.

Base conversion 15540981

Base System Value
2 Binary 111011010010001011110101
3 Ternary 1002020120012220
4 Quaternary 323102023311
5 Quinary 12434302411
6 Senary 1313032553
8 Octal 73221365
10 Decimal 15540981
12 Duodecimal 5255759
16 Hexadecimal ed22f5
20 Vigesimal 4h2c91
36 Base36 993hx

Cryptographic Hash Functions

md5 8a11224fa0e4e460a199e384b1cfba36
sha1 1edfa72832e4f92d0c5beb00f785c3e895ccf4f9
sha256 703ec8e9521d340e892ea75c7a339457b85e2ab550c8256f18e7facea0e5eb7f
sha512 e8b6416257dd3ae21f342b33e1c50f8d67897aea17c3fbcfc9a0b2e88aff73422b09812b461635b83578ac44aa74b00fbe8fd2d77280f4a84ab11c86dc10dfd6
ripemd-160 ae299f999fe570d3210831c87915ab95b29f41fa

15540981 as geometric shapes

Circle

Radius = n
Diameter 31081962
Circumference 97646863.478357
Area 7.5876402501337E+14

Sphere

Radius = n
Volume 1.5722583061622E+22
Surface area 3.0350561000535E+15
Circumference 97646863.478357

Square

Length = n
Perimeter 62163924
Area 241522090442361
Diagonal 21978266.102783

Cube

Length = n
Surface area 1449132542654166
Volume 3.753490218645E+21
Space diagonal 26917768.691463

Equilateral Triangle

Length = n
Perimeter 46622943
Area 1.045821329491E+14
Altitude 13458884.345731

Triangular Pyramid

Length = n
Surface area 1.045821329491E+14
Volume 4.4235306445354E+20
Height 7326088.7009275