18989946 (number)

18989946 is an even 8-digits composite number following 18989945 and preceding 18989947. In scientific notation, it is written as 1.8989946 × 10^7. The sum of its digits is 54. It has a total of 4 prime factors and 16 positive divisors. There are 6317640 positive integers (up to 18989946) that are relatively prime to 18989946.

Interesting facts

Basic properties

Name

Name eighteen million nine hundred eighty-nine thousand nine hundred forty-six

Notation

Scientific notation 1.8989946 × 10^7
Engineering notation 1.8989946 × 10^6

Prime Factorization of 18989946

Prime Factorization 2 × 9 × 967 × 1091

Composite number
ω Distinct Factors 4
Total number of distinct prime factors
Ω Total Factors 4
Total number of prime factors
rad Radical 18989946
Product of the distinct prime numbers

The prime factorization of 18989946 is 2 × 9 × 967 × 1091. Since it has a total of 4 prime factors.

Most popular turbo-numbers

1, 10, 37, 80, 851, 822, 908, 2189, 69672, 33342, 720952, 29894, 1047199, 5632154, 7323619, 65918862, 883749708, 71366286, 1252207736, 652938187

Basic calculations (n = 18989946)

Multiplication

n×y
n×2 37979892
n×3 56969838
n×4 75959784
n×5 94949730

Division

n÷y
n÷2 9494973
n÷3 6329982
n÷3 4747486.5
n÷5 3797989.2

Exponentiation

ny
n2 360618049082916
n3 6.8481172787099E+21
n4 1.3004537732437E+29
n5 2.4695546929394E+36

Nth Root

y√n
2√n 4357.7455180403
3√n 266.79308970786
4√n 66.013222297054
5√n 28.556484776376

Divisors of 18989946

1, 2, 9, 18, 967, 1091, 1934, 2182, 8703, 9819, 17406, 19638, 1054997, 2109994, 9494973, 18989946

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 -18989945
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 18989946 can be divided by 16 positive divisors. The sum of these divisors (counting 18989946) is 1, the average is 0.0625.

Base conversion 18989946

Base System Value
2 Binary 1001000011100001101111010
3 Ternary 1022201210022100
4 Quaternary 1020130031322
5 Quinary 14330134241
6 Senary 1515004230
8 Octal 110341572
10 Decimal 18989946
12 Duodecimal 6439676
16 Hexadecimal 121c37a
20 Vigesimal 5ideh6
36 Base36 bb0qi

Cryptographic Hash Functions

md5 b5a9132d7169bc06534799416ac491e9
sha1 791f372061f98aa67dfb03241cc8e336d350a1d1
sha256 99f7f990df7c1d93869c9b70ad38633220ea8d9af5bc40b2e989a75e58aaa723
sha512 3c3a111d939cd0cb34febd89eef7f782efbb57cf1f75febd1c9756b0293ff7273c08eb2b1dd9efd6e3cdc3714369db607fd7a5bc8f39533fdee25f88fc2d198f
ripemd-160 975661fd4a443384ad243abb97bdbf7c1e4c66b8

18989946 as geometric shapes

Circle

Radius = n
Diameter 37979892
Circumference 119317349.69133
Area 1.1329150137508E+15

Sphere

Radius = n
Volume 2.8685326578289E+22
Surface area 4.5316600550031E+15
Circumference 119317349.69133

Square

Length = n
Perimeter 75959784
Area 360618049082916
Diagonal 26855839.181933

Cube

Length = n
Surface area 2163708294497496
Volume 6.8481172787099E+21
Space diagonal 32891551.304989

Equilateral Triangle

Length = n
Perimeter 56969838
Area 1.5615219578449E+14
Altitude 16445775.652495

Triangular Pyramid

Length = n
Surface area 1.5615219578449E+14
Volume 8.0705836102276E+20
Height 8951946.3939776