18876989 (number)

18876989 is an odd 8-digits composite number following 18876988 and preceding 18876990. In scientific notation, it is written as 1.8876989 × 10^7. The sum of its digits is 56. It has a total of 3 prime factors and 8 positive divisors. There are 18489856 positive integers (up to 18876989) that are relatively prime to 18876989.

Interesting facts

Basic properties

Name

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

Notation

Scientific notation 1.8876989 × 10^7
Engineering notation 1.8876989 × 10^6

Prime Factorization of 18876989

Prime Factorization 113 × 89 × 1877

Composite number
ω Distinct Factors 3
Total number of distinct prime factors
Ω Total Factors 3
Total number of prime factors
rad Radical 18876989
Product of the distinct prime numbers

The prime factorization of 18876989 is 113 × 89 × 1877. Since it has a total of 3 prime factors.

Most popular turbo-numbers

7, 2, 83, 76, 919, 976, 1796, 7556, 69825, 68582, 433438, 798267, 1791450, 9181725, 97195755, 11732536, 344812640, 420196780, 796273878, 9629429979

Basic calculations (n = 18876989)

Multiplication

n×y
n×2 37753978
n×3 56630967
n×4 75507956
n×5 94384945

Division

n÷y
n÷2 9438494.5
n÷3 6292329.6666667
n÷3 4719247.25
n÷5 3775397.8

Exponentiation

ny
n2 356340713706121
n3 6.7266397328826E+21
n4 1.2697870424459E+29
n5 2.3969756032593E+36

Nth Root

y√n
2√n 4344.7657013929
3√n 266.26305313392
4√n 65.914836731899
5√n 28.522431418239

Divisors of 18876989

1, 89, 113, 1877, 10057, 167053, 212101, 18876989

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 -18876988
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 18876989 can be divided by 8 positive divisors. The sum of these divisors (counting 18876989) is 1, the average is 0.125.

Base conversion 18876989

Base System Value
2 Binary 1001000000000101000111101
3 Ternary 1022112001100202
4 Quaternary 1020000220331
5 Quinary 14313030424
6 Senary 1512333245
8 Octal 110005075
10 Decimal 18876989
12 Duodecimal 63a4225
16 Hexadecimal 1200a3d
20 Vigesimal 5hjc99
36 Base36 b8lkt

Cryptographic Hash Functions

md5 e3421bd7533b175b1ca9e0a3cca1750b
sha1 d2a79467d7eaa87f5273b026b6e50029c02a924a
sha256 079b2afe23d3c716f8f88e862c5d100357568ced1cc06d5aaae5edf482eb1097
sha512 9c4e1fb7d05a3046a9be0d4e7d909ee7bf3a80ff25166ad536dd766ff81ccb4183bc6e8636c9c09ca25477c8227a0d55692a6703c8660c211d52ed997011d733
ripemd-160 31278054fa642efa0b93c63dc696c7fe98c859a9

18876989 as geometric shapes

Circle

Radius = n
Diameter 37753978
Circumference 118607619.92859
Area 1.1194773683541E+15

Sphere

Radius = n
Volume 2.8176482624226E+22
Surface area 4.4779094734164E+15
Circumference 118607619.92859

Square

Length = n
Perimeter 75507956
Area 356340713706121
Diagonal 26696093.860568

Cube

Length = n
Surface area 2138044282236726
Volume 6.7266397328826E+21
Space diagonal 32695904.041919

Equilateral Triangle

Length = n
Perimeter 56630967
Area 1.5430005523609E+14
Altitude 16347952.020959

Triangular Pyramid

Length = n
Surface area 1.5430005523609E+14
Volume 7.9274209495336E+20
Height 8898697.9535226