18957980 (number)

18957980 is an even 8-digits composite number following 18957979 and preceding 18957981. In scientific notation, it is written as 1.8957980 × 10^7. The sum of its digits is 47. It has a total of 5 prime factors and 24 positive divisors. There are 7253312 positive integers (up to 18957980) that are relatively prime to 18957980.

Interesting facts

Basic properties

Name

Name eighteen million nine hundred fifty-seven thousand nine hundred eighty

Notation

Scientific notation 1.8957980 × 10^7
Engineering notation 1.8957980 × 10^6

Prime Factorization of 18957980

Prime Factorization 2 × 2 × 5 × 23 × 41213

Composite number
ω Distinct Factors 4
Total number of distinct prime factors
Ω Total Factors 5
Total number of prime factors
rad Radical 9478990
Product of the distinct prime numbers

The prime factorization of 18957980 is 2 × 2 × 5 × 23 × 41213. Since it has a total of 5 prime factors.

Most popular turbo-numbers

1, 10, 26, 15, 545, 853, 7818, 5312, 87899, 12984, 560637, 166131, 4797694, 3730103, 25822138, 88972670, 780690049, 59922073, 5252092395, 531078078

Basic calculations (n = 18957980)

Multiplication

n×y
n×2 37915960
n×3 56873940
n×4 75831920
n×5 94789900

Division

n÷y
n÷2 9478990
n÷3 6319326.6666667
n÷3 4739495
n÷5 3791596

Exponentiation

ny
n2 359405005680400
n3 6.8135929095889E+21
n4 1.2917195810813E+29
n5 2.4488393983747E+36

Nth Root

y√n
2√n 4354.0762510549
3√n 266.64330698156
4√n 65.985424534929
5√n 28.546864403055

Divisors of 18957980

1, 2, 4, 5, 10, 20, 23, 46, 92, 115, 230, 460, 41213, 82426, 164852, 206065, 412130, 824260, 947899, 1895798, 3791596, 4739495, 9478990, 18957980

24 divisors

τ Total Divisors 24
Total number of the positive divisors of n
σ Sum of Divisors 1
Sum of all the positive divisors of n
s Aliquot Sum -18957979
Sum of the proper positive divisors of n
A Arithmetic Mean 0.041666666666667
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 24
Returns the total number of divisors (τ(n)) divided by the sum of the reciprocal of each divisors

The number 18957980 can be divided by 24 positive divisors. The sum of these divisors (counting 18957980) is 1, the average is 0.041666666666667.

Base conversion 18957980

Base System Value
2 Binary 1001000010100011010011100
3 Ternary 1022200011110102
4 Quaternary 1020110122130
5 Quinary 14323123410
6 Senary 1514200232
8 Octal 110243234
10 Decimal 18957980
12 Duodecimal 6423078
16 Hexadecimal 121469c
20 Vigesimal 5i9ej0
36 Base36 bac2k

Cryptographic Hash Functions

md5 3fe234850b53cf58430ef1e10f778d85
sha1 6996f88ef37c3ce86393ad75517b500e748928a9
sha256 3c2f3154b22963f23318f798ff6aa7f04c3a8ab55cf2c82c9a104b4a8a214f7e
sha512 5d48c6192669aa455a6a9dc7aac33b6bbb3bab331dac82c0187de08611cdde6ab71842e40b437c3092bc4b2837e8ec4f4b2fd370437007ae66ae621ff7ca4c93
ripemd-160 2d6d7cc2ff8e46caac29124f9b69bea696fe146d

18957980 as geometric shapes

Circle

Radius = n
Diameter 37915960
Circumference 119116501.3898
Area 1.1291041255089E+15

Sphere

Radius = n
Volume 2.8540711239088E+22
Surface area 4.5164165020358E+15
Circumference 119116501.3898

Square

Length = n
Perimeter 75831920
Area 359405005680400
Diagonal 26810632.431198

Cube

Length = n
Surface area 2156430034082400
Volume 6.8135929095889E+21
Space diagonal 32836184.568875

Equilateral Triangle

Length = n
Perimeter 56873940
Area 1.5562693258326E+14
Altitude 16418092.284437

Triangular Pyramid

Length = n
Surface area 1.5562693258326E+14
Volume 8.0298962510248E+20
Height 8936877.477066