18941489 (number)

18941489 is an odd 8-digits composite number following 18941488 and preceding 18941490. In scientific notation, it is written as 1.8941489 × 10^7. The sum of its digits is 44. It has a total of 7 prime factors and 16 positive divisors. There are 15529668 positive integers (up to 18941489) that are relatively prime to 18941489.

Interesting facts

Basic properties

Name

Name eighteen million nine hundred forty-one thousand four hundred eighty-nine

Notation

Scientific notation 1.8941489 × 10^7
Engineering notation 1.8941489 × 10^6

Prime Factorization of 18941489

Prime Factorization 23 × 7 × 49 × 7 × 7 × 7 × 7

Composite number
ω Distinct Factors 3
Total number of distinct prime factors
Ω Total Factors 7
Total number of prime factors
rad Radical 7889
Product of the distinct prime numbers

The prime factorization of 18941489 is 23 × 7 × 49 × 7 × 7 × 7 × 7. Since it has a total of 7 prime factors.

Most popular turbo-numbers

7, 10, 55, 65, 219, 210, 8485, 6704, 92601, 68275, 886759, 115169, 64965, 7654483, 46322448, 52925436, 163231020, 128263943, 1361371661, 5374151505

Basic calculations (n = 18941489)

Multiplication

n×y
n×2 37882978
n×3 56824467
n×4 75765956
n×5 94707445

Division

n÷y
n÷2 9470744.5
n÷3 6313829.6666667
n÷3 4735372.25
n÷5 3788297.8

Exponentiation

ny
n2 358780005537121
n3 6.7958275283013E+21
n4 1.2872309237322E+29
n5 2.4382070382333E+36

Nth Root

y√n
2√n 4352.1820963742
3√n 266.56596944532
4√n 65.971070147256
5√n 28.541896255301

Divisors of 18941489

1, 7, 23, 49, 161, 343, 1127, 2401, 7889, 16807, 55223, 117649, 386561, 823543, 2705927, 18941489

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 -18941488
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 18941489 can be divided by 16 positive divisors. The sum of these divisors (counting 18941489) is 1, the average is 0.0625.

Base conversion 18941489

Base System Value
2 Binary 1001000010000011000110001
3 Ternary 1022122022211122
4 Quaternary 1020100120301
5 Quinary 14322111424
6 Senary 1513552025
8 Octal 110203061
10 Decimal 18941489
12 Duodecimal 6415615
16 Hexadecimal 1210631
20 Vigesimal 5i7de9
36 Base36 b9zch

Cryptographic Hash Functions

md5 66b3d25fb768954277bbfabc06b71e6e
sha1 e16ff20d19a6b7ccc989c429c3a30acdc0ab3bf8
sha256 4cd1c0a71463acef144ca241d1d94882c0fa71849fa8266b4dafbe257e41143f
sha512 f820d455a4701b115efe5e9f807dc591f29bea16103a74341bc8fdc817be6b5f46a32ec8f9849e8b225eb2ec942da023469124e50040e5f687fb177f0b7d773a
ripemd-160 1c5ccd5d0aa9490f671b9b8582b06d36b59f80c3

18941489 as geometric shapes

Circle

Radius = n
Diameter 37882978
Circumference 119012885.3809
Area 1.1271406296503E+15

Sphere

Radius = n
Volume 2.8466295783966E+22
Surface area 4.5085625186013E+15
Circumference 119012885.3809

Square

Length = n
Perimeter 75765956
Area 358780005537121
Diagonal 26787310.635341

Cube

Length = n
Surface area 2152680033222726
Volume 6.7958275283013E+21
Space diagonal 32807621.319007

Equilateral Triangle

Length = n
Perimeter 56824467
Area 1.5535629958253E+14
Altitude 16403810.659504

Triangular Pyramid

Length = n
Surface area 1.5535629958253E+14
Volume 8.0089595483935E+20
Height 8929103.5451136