18856989 (number)

18856989 is an odd 8-digits composite number following 18856988 and preceding 18856990. In scientific notation, it is written as 1.8856989 × 10^7. The sum of its digits is 54. It has a total of 4 prime factors and 16 positive divisors. There are 12137328 positive integers (up to 18856989) that are relatively prime to 18856989.

Interesting facts

Basic properties

Name

Name eighteen million eight hundred fifty-six thousand nine hundred eighty-nine

Notation

Scientific notation 1.8856989 × 10^7
Engineering notation 1.8856989 × 10^6

Prime Factorization of 18856989

Prime Factorization 29 × 9 × 3 × 24083

Composite number
ω Distinct Factors 4
Total number of distinct prime factors
Ω Total Factors 4
Total number of prime factors
rad Radical 18856989
Product of the distinct prime numbers

The prime factorization of 18856989 is 29 × 9 × 3 × 24083. Since it has a total of 4 prime factors.

Most popular turbo-numbers

4, 5, 16, 66, 703, 812, 2912, 2175, 95022, 56863, 732919, 63871, 6352210, 5487033, 37469066, 56669511, 16411859, 790928356, 8693351057, 5179552142

Basic calculations (n = 18856989)

Multiplication

n×y
n×2 37713978
n×3 56570967
n×4 75427956
n×5 94284945

Division

n÷y
n÷2 9428494.5
n÷3 6285663
n÷3 4714247.25
n÷5 3771397.8

Exponentiation

ny
n2 355586034146121
n3 6.705281934447E+21
n4 1.2644142767977E+29
n5 2.3843046109016E+36

Nth Root

y√n
2√n 4342.463471349
3√n 266.16898546844
4√n 65.897370746859
5√n 28.516385003356

Divisors of 18856989

1, 3, 9, 27, 29, 87, 261, 783, 24083, 72249, 216747, 650241, 698407, 2095221, 6285663, 18856989

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 -18856988
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 18856989 can be divided by 16 positive divisors. The sum of these divisors (counting 18856989) is 1, the average is 0.0625.

Base conversion 18856989

Base System Value
2 Binary 1000111111011110000011101
3 Ternary 1022111000221000
4 Quaternary 1013323300131
5 Quinary 14311410424
6 Senary 1512100513
8 Octal 107736035
10 Decimal 18856989
12 Duodecimal 6394739
16 Hexadecimal 11fbc1d
20 Vigesimal 5hh299
36 Base36 b8659

Cryptographic Hash Functions

md5 963027f56ab7d3254d07830783684589
sha1 0bf83d8eb3513af12b51afe8d5f1659fee8f7b68
sha256 af503b95d95a003914ea949413a4ae95d04b0abfefd09c55de2a4f810774c345
sha512 36ef1c8e59727d0806e7a95f4cd03167a5d8142f94aef1303097150ed28baae82450885f6a1ac37691d1461260e84b0bb218705cd77b2a2507a4786c3539e63d
ripemd-160 13cdafe928d8ec3fe8ef3927457d6adcece290f0

18856989 as geometric shapes

Circle

Radius = n
Diameter 37713978
Circumference 118481956.22245
Area 1.1171064725926E+15

Sphere

Radius = n
Volume 2.8087019287343E+22
Surface area 4.4684258903703E+15
Circumference 118481956.22245

Square

Length = n
Perimeter 75427956
Area 355586034146121
Diagonal 26667809.58932

Cube

Length = n
Surface area 2133516204876726
Volume 6.705281934447E+21
Space diagonal 32661263.025767

Equilateral Triangle

Length = n
Perimeter 56570967
Area 1.5397326940075E+14
Altitude 16330631.512884

Triangular Pyramid

Length = n
Surface area 1.5397326940075E+14
Volume 7.9022505426919E+20
Height 8889269.8631068