15940981 (number)

15940981 is an odd 8-digits composite number following 15940980 and preceding 15940982. In scientific notation, it is written as 1.5940981 × 10^7. The sum of its digits is 37. It has a total of 4 prime factors and 16 positive divisors. There are 12495168 positive integers (up to 15940981) that are relatively prime to 15940981.

Interesting facts

Basic properties

Name

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

Notation

Scientific notation 1.5940981 × 10^7
Engineering notation 1.5940981 × 10^6

Prime Factorization of 15940981

Prime Factorization 19 × 29 × 7 × 4133

Composite number
ω Distinct Factors 4
Total number of distinct prime factors
Ω Total Factors 4
Total number of prime factors
rad Radical 15940981
Product of the distinct prime numbers

The prime factorization of 15940981 is 19 × 29 × 7 × 4133. Since it has a total of 4 prime factors.

Most popular turbo-numbers

Basic calculations (n = 15940981)

Multiplication

n×y
n×2 31881962
n×3 47822943
n×4 63763924
n×5 79704905

Division

n÷y
n÷2 7970490.5
n÷3 5313660.3333333
n÷3 3985245.25
n÷5 3188196.2

Exponentiation

ny
n2 254114875242361
n3 4.0508403980558E+21
n4 6.4574369819441E+28
n5 1.0293788023787E+36

Nth Root

y√n
2√n 3992.6158092158
3√n 251.67399790542
4√n 63.18714908283
5√n 27.574205559271

Divisors of 15940981

16 divisors

τ Total Divisors 16
Total number of the positive divisors of n
σ Sum of Divisors 1
Sum of all the positive divisors of n
s Aliquot Sum -15940980
Sum of the proper positive divisors of n
A Arithmetic Mean 0.0625
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 16
Returns the total number of divisors (τ(n)) divided by the sum of the reciprocal of each divisors

The number 15940981 can be divided by 16 positive divisors. The sum of these divisors (counting 15940981) is 1, the average is 0.0625.

Base conversion 15940981

Base System Value
2 Binary 111100110011110101110101
3 Ternary 1002222212220201
4 Quaternary 330303311311
5 Quinary 13040102411
6 Senary 1325400501
8 Octal 74636565
10 Decimal 15940981
12 Duodecimal 5409131
16 Hexadecimal f33d75
20 Vigesimal 4jcc91
36 Base36 9ho51

Cryptographic Hash Functions

md5 bcd3e69cd2c250f7e5bf9af20728d9b5
sha1 a141cf5a821761d4f1d88f3408f2e08883ec21b1
sha256 1f92768e25a697adace4568f7ba04369f66f5c5cee57763900c83ba11c0f7959
sha512 8333abb54117d6e30780ebb4d651bb70caf15d81bdac90e4813e230eb42d18aebaf526cfe76eaaa8f7508f96fe4c0f0f7e072543868a91691477ec4f577aeb8d
ripemd-160 a3b70013a6c0fa7e4a24645f6bd281fbe96a4aa6

15940981 as geometric shapes

Circle

Radius = n
Diameter 31881962
Circumference 100160137.60123
Area 7.9832542522929E+14

Sphere

Radius = n
Volume 1.6968120580529E+22
Surface area 3.1933017009172E+15
Circumference 100160137.60123

Square

Length = n
Perimeter 63763924
Area 254114875242361
Diagonal 22543951.527732

Cube

Length = n
Surface area 1524689251454166
Volume 4.0508403980558E+21
Space diagonal 27610589.01449

Equilateral Triangle

Length = n
Perimeter 47822943
Area 1.100349687197E+14
Altitude 13805294.507245

Triangular Pyramid

Length = n
Surface area 1.100349687197E+14
Volume 4.7739611916162E+20
Height 7514650.5092439