18979897 (number)

18979897 is an odd 8-digits composite number following 18979896 and preceding 18979898. In scientific notation, it is written as 1.8979897 × 10^7. The sum of its digits is 58. It has a total of 2 prime factors and 4 positive divisors. There are 18966096 positive integers (up to 18979897) that are relatively prime to 18979897.

Interesting facts

Basic properties

Name

Name eighteen million nine hundred seventy-nine thousand eight hundred ninety-seven

Notation

Scientific notation 1.8979897 × 10^7
Engineering notation 1.8979897 × 10^6

Prime Factorization of 18979897

Prime Factorization 1549 × 12253

Composite number
ω Distinct Factors 2
Total number of distinct prime factors
Ω Total Factors 2
Total number of prime factors
rad Radical 18979897
Product of the distinct prime numbers

The prime factorization of 18979897 is 1549 × 12253. Since it has a total of 2 prime factors.

Most popular turbo-numbers

Basic calculations (n = 18979897)

Multiplication

n×y
n×2 37959794
n×3 56939691
n×4 75919588
n×5 94899485

Division

n÷y
n÷2 9489948.5
n÷3 6326632.3333333
n÷3 4744974.25
n÷5 3795979.4

Exponentiation

ny
n2 360236490130609
n3 6.8372514783205E+21
n4 1.2977032882162E+29
n5 2.4630274746905E+36

Nth Root

y√n
2√n 4356.5923610088
3√n 266.74602134856
4√n 66.004487430846
5√n 28.553461862288

Divisors of 18979897

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 -18979896
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 18979897 can be divided by 4 positive divisors. The sum of these divisors (counting 18979897) is 1, the average is 0.25.

Base conversion 18979897

Base System Value
2 Binary 1001000011001110000111001
3 Ternary 1022201021112011
4 Quaternary 1020121300321
5 Quinary 14324324042
6 Senary 1514445521
8 Octal 110316071
10 Decimal 18979897
12 Duodecimal 64338a1
16 Hexadecimal 1219c39
20 Vigesimal 5ic9eh
36 Base36 baszd

Cryptographic Hash Functions

md5 49a0919ab002266d46709d1eb3db071e
sha1 67bb03a228c3ef9d38eb92982f01ed0f26d23e6d
sha256 aceb45c174adab9b2f882b4fba2af8f976eaafd4d15e656fa1191724c74e590a
sha512 f6bc6b4290089b16a1e41b03aacca7bb90ff41a92ef3cfa45dac16fbb28214178c02974579d652ea873ae5a7cae87eded5c29452ad242154bd2f247c095e3a18
ripemd-160 afde4f9400fc77d00fa9e0c3a8d9108b17ac1a93

18979897 as geometric shapes

Circle

Radius = n
Diameter 37959794
Circumference 119254209.96218
Area 1.1317163109493E+15

Sphere

Radius = n
Volume 2.863981202005E+22
Surface area 4.5268652437972E+15
Circumference 119254209.96218

Square

Length = n
Perimeter 75919588
Area 360236490130609
Diagonal 26841627.749844

Cube

Length = n
Surface area 2161418940783654
Volume 6.8372514783205E+21
Space diagonal 32874145.926424

Equilateral Triangle

Length = n
Perimeter 56939691
Area 1.5598697591162E+14
Altitude 16437072.963212

Triangular Pyramid

Length = n
Surface area 1.5598697591162E+14
Volume 8.0577781416636E+20
Height 8947209.2499481