18890745 (number)

18890745 is an odd 8-digits composite number following 18890744 and preceding 18890746. In scientific notation, it is written as 1.8890745 × 10^7. The sum of its digits is 42. It has a total of 4 prime factors and 16 positive divisors. There are 9727424 positive integers (up to 18890745) that are relatively prime to 18890745.

Interesting facts

Basic properties

Name

Name eighteen million eight hundred ninety thousand seven hundred forty-five

Notation

Scientific notation 1.8890745 × 10^7
Engineering notation 1.8890745 × 10^6

Prime Factorization of 18890745

Prime Factorization 3 × 5 × 29 × 43427

Composite number
ω Distinct Factors 4
Total number of distinct prime factors
Ω Total Factors 4
Total number of prime factors
rad Radical 18890745
Product of the distinct prime numbers

The prime factorization of 18890745 is 3 × 5 × 29 × 43427. Since it has a total of 4 prime factors.

Most popular turbo-numbers

2, 3, 15, 46, 643, 904, 5045, 8773, 45787, 14093, 992360, 477336, 9401989, 3533991, 85685870, 7932301, 174495891, 807097997, 5258822870, 563539660

Basic calculations (n = 18890745)

Multiplication

n×y
n×2 37781490
n×3 56672235
n×4 75562980
n×5 94453725

Division

n÷y
n÷2 9445372.5
n÷3 6296915
n÷3 4722686.25
n÷5 3778149

Exponentiation

ny
n2 356860246655025
n3 6.7413559201972E+21
n4 1.2734923564269E+29
n5 2.4057219364709E+36

Nth Root

y√n
2√n 4346.3484673919
3√n 266.32771431521
4√n 65.926841782326
5√n 28.526587168399

Divisors of 18890745

1, 3, 5, 15, 29, 87, 145, 435, 43427, 130281, 217135, 651405, 1259383, 3778149, 6296915, 18890745

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 -18890744
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 18890745 can be divided by 16 positive divisors. The sum of these divisors (counting 18890745) is 1, the average is 0.0625.

Base conversion 18890745

Base System Value
2 Binary 1001000000011111111111001
3 Ternary 1022112202020020
4 Quaternary 1020003333321
5 Quinary 14314000440
6 Senary 1512521053
8 Octal 110037771
10 Decimal 18890745
12 Duodecimal 63b0189
16 Hexadecimal 1203ff9
20 Vigesimal 5i16h5
36 Base36 b8w6x

Cryptographic Hash Functions

md5 d99f7411dd5feada53d9788e5a3a38a7
sha1 f9ac8b8b55a02969711ddd2536dedd63250f2387
sha256 988660b255c174dac5a4db29507359a5081f5bb26f66816a771556933227e9d6
sha512 b1d4864ea236b5769936ac93dafeecb3e3c68d7ba4b32a7c0ff44c31ed86a9179afa3a62943aedee00483337b17cc96de2903381e8d8bc55e98583806b687641
ripemd-160 02a3d08545712c943019034780eb61146bd6d4b5

18890745 as geometric shapes

Circle

Radius = n
Diameter 37781490
Circumference 118694051.42568
Area 1.1211095292497E+15

Sphere

Radius = n
Volume 2.8238125645501E+22
Surface area 4.4844381169987E+15
Circumference 118694051.42568

Square

Length = n
Perimeter 75562980
Area 356860246655025
Diagonal 26715547.782332

Cube

Length = n
Surface area 2141161479930150
Volume 6.7413559201972E+21
Space diagonal 32719730.132828

Equilateral Triangle

Length = n
Perimeter 56672235
Area 1.5452501960202E+14
Altitude 16359865.066414

Triangular Pyramid

Length = n
Surface area 1.5452501960202E+14
Volume 7.9447641426058E+20
Height 8905182.5941106