18878994 (number)

18878994 is an even 8-digits composite number following 18878993 and preceding 18878995. In scientific notation, it is written as 1.8878994 × 10^7. The sum of its digits is 54. It has a total of 3 prime factors and 8 positive divisors. There are 6292944 positive integers (up to 18878994) that are relatively prime to 18878994.

Interesting facts

Basic properties

Name

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

Notation

Scientific notation 1.8878994 × 10^7
Engineering notation 1.8878994 × 10^6

Prime Factorization of 18878994

Prime Factorization 2 × 81 × 116537

Composite number
ω Distinct Factors 3
Total number of distinct prime factors
Ω Total Factors 3
Total number of prime factors
rad Radical 18878994
Product of the distinct prime numbers

The prime factorization of 18878994 is 2 × 81 × 116537. Since it has a total of 3 prime factors.

Most popular turbo-numbers

Basic calculations (n = 18878994)

Multiplication

n×y
n×2 37757988
n×3 56636982
n×4 75515976
n×5 94394970

Division

n÷y
n÷2 9439497
n÷3 6292998
n÷3 4719748.5
n÷5 3775798.8

Exponentiation

ny
n2 356416414452036
n3 6.7287833499415E+21
n4 1.2703266049085E+29
n5 2.3982488352107E+36

Nth Root

y√n
2√n 4344.9964326798
3√n 266.27247975242
4√n 65.916586931362
5√n 28.523037288651

Divisors of 18878994

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 -18878993
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 18878994 can be divided by 8 positive divisors. The sum of these divisors (counting 18878994) is 1, the average is 0.125.

Base conversion 18878994

Base System Value
2 Binary 1001000000001001000010010
3 Ternary 1022112011010000
4 Quaternary 1020001020102
5 Quinary 14313111434
6 Senary 1512350430
8 Octal 110011022
10 Decimal 18878994
12 Duodecimal 63a5416
16 Hexadecimal 1201212
20 Vigesimal 5hjh9e
36 Base36 b8n4i

Cryptographic Hash Functions

md5 980a1f5b6393828270905e720d5e3f0a
sha1 f00e584d5121582eb232d782e4a81d269cf5b8bf
sha256 2c6de0b65dc643ecd6dfbf12d3285ce0ecb20604c416da01915262e7be93d44c
sha512 4de0194ce02cd88b3574fe50e595ac7361f9fa420320c10a3958b117c40ff33e5313aa9ced642b43317a8978746637ea86d2e591ab0b1c69e01c03c8b05fb0bd
ripemd-160 940fdd804e2f1adc421ebdc325d03fa89e02ef61

18878994 as geometric shapes

Circle

Radius = n
Diameter 37757988
Circumference 118620217.71513
Area 1.1197151892613E+15

Sphere

Radius = n
Volume 2.8185461786365E+22
Surface area 4.4788607570453E+15
Circumference 118620217.71513

Square

Length = n
Perimeter 75515976
Area 356416414452036
Diagonal 26698929.35876

Cube

Length = n
Surface area 2138498486712216
Volume 6.7287833499415E+21
Space diagonal 32699376.803788

Equilateral Triangle

Length = n
Perimeter 56636982
Area 1.5433283462061E+14
Altitude 16349688.401894

Triangular Pyramid

Length = n
Surface area 1.5433283462061E+14
Volume 7.9299472264646E+20
Height 8899643.1195868