18889986 (number)

18889986 is an even 8-digits composite number following 18889985 and preceding 18889987. In scientific notation, it is written as 1.8889986 × 10^7. The sum of its digits is 57. It has a total of 5 prime factors and 32 positive divisors. There are 6103440 positive integers (up to 18889986) that are relatively prime to 18889986.

Interesting facts

Basic properties

Name

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

Notation

Scientific notation 1.8889986 × 10^7
Engineering notation 1.8889986 × 10^6

Prime Factorization of 18889986

Prime Factorization 2 × 3 × 43 × 211 × 347

Composite number
ω Distinct Factors 5
Total number of distinct prime factors
Ω Total Factors 5
Total number of prime factors
rad Radical 18889986
Product of the distinct prime numbers

The prime factorization of 18889986 is 2 × 3 × 43 × 211 × 347. Since it has a total of 5 prime factors.

Most popular turbo-numbers

6, 1, 56, 63, 944, 377, 8084, 1522, 38728, 36736, 715218, 511869, 670796, 7906778, 26796874, 12766045, 931320940, 124333309, 2038143366, 6271915175

Basic calculations (n = 18889986)

Multiplication

n×y
n×2 37779972
n×3 56669958
n×4 75559944
n×5 94449930

Division

n÷y
n÷2 9444993
n÷3 6296662
n÷3 4722496.5
n÷5 3777997.2

Exponentiation

ny
n2 356831571080196
n3 6.7405433820629E+21
n4 1.2732877011956E+29
n5 2.4052386849557E+36

Nth Root

y√n
2√n 4346.2611518407
3√n 266.32414739319
4√n 65.926179563514
5√n 28.526357934161

Divisors of 18889986

1, 2, 3, 6, 43, 86, 129, 211, 258, 347, 422, 633, 694, 1041, 1266, 2082, 9073, 14921, 18146, 27219, 29842, 44763, 54438, 73217, 89526, 146434, 219651, 439302, 3148331, 6296662, 9444993, 18889986

32 divisors

τ Total Divisors 32
Total number of the positive divisors of n
σ Sum of Divisors 1
Sum of all the positive divisors of n
s Aliquot Sum -18889985
Sum of the proper positive divisors of n
A Arithmetic Mean 0.03125
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 32
Returns the total number of divisors (τ(n)) divided by the sum of the reciprocal of each divisors

The number 18889986 can be divided by 32 positive divisors. The sum of these divisors (counting 18889986) is 1, the average is 0.03125.

Base conversion 18889986

Base System Value
2 Binary 1001000000011110100000010
3 Ternary 1022112201012010
4 Quaternary 1020003310002
5 Quinary 14313434421
6 Senary 1512513350
8 Octal 110036402
10 Decimal 18889986
12 Duodecimal 63ab856
16 Hexadecimal 1203d02
20 Vigesimal 5i14j6
36 Base36 b8vlu

Cryptographic Hash Functions

md5 7ec9792a877e15caf7ef160b7300d0b3
sha1 54e99b2925063f1446dd2f66bd0677d0142827d4
sha256 f8b383058ff72dad7bb5ae5a920de6f919c4e859550f10d508982b7afcf9ad0a
sha512 840b9d8d8e0873bc5dd52c4da35ae0722e76a60b29c668a185a928c3ccc009e032686eea8c7120b4cdde6e9c27f08a8f32343fbca4978f41ec78fa58cbca0e02
ripemd-160 e4c70c30592a345b03bcfddd20508957a27ac520

18889986 as geometric shapes

Circle

Radius = n
Diameter 37779972
Circumference 118689282.48803
Area 1.1210194422744E+15

Sphere

Radius = n
Volume 2.8234722093723E+22
Surface area 4.4840777690978E+15
Circumference 118689282.48803

Square

Length = n
Perimeter 75559944
Area 356831571080196
Diagonal 26714474.394238

Cube

Length = n
Surface area 2140989426481176
Volume 6.7405433820629E+21
Space diagonal 32718415.506265

Equilateral Triangle

Length = n
Perimeter 56669958
Area 1.5451260271388E+14
Altitude 16359207.753132

Triangular Pyramid

Length = n
Surface area 1.5451260271388E+14
Volume 7.9438065572313E+20
Height 8904824.7980793