18387941 (number)

18387941 is an odd 8-digits composite number following 18387940 and preceding 18387942. In scientific notation, it is written as 1.8387941 × 10^7. The sum of its digits is 41. It has a total of 4 prime factors and 16 positive divisors. There are 15309120 positive integers (up to 18387941) that are relatively prime to 18387941.

Interesting facts

Basic properties

Name

Name eighteen million three hundred eighty-seven thousand nine hundred forty-one

Notation

Scientific notation 1.8387941 × 10^7
Engineering notation 1.8387941 × 10^6

Prime Factorization of 18387941

Prime Factorization 11 × 13 × 149 × 863

Composite number
ω Distinct Factors 4
Total number of distinct prime factors
Ω Total Factors 4
Total number of prime factors
rad Radical 18387941
Product of the distinct prime numbers

The prime factorization of 18387941 is 11 × 13 × 149 × 863. Since it has a total of 4 prime factors.

Most popular turbo-numbers

7, 2, 24, 36, 460, 90, 6904, 1886, 66054, 36004, 133264, 28117, 8058643, 2570364, 17106684, 45800561, 151327619, 583461976, 7960088627, 5088515390

Basic calculations (n = 18387941)

Multiplication

n×y
n×2 36775882
n×3 55163823
n×4 73551764
n×5 91939705

Division

n÷y
n÷2 9193970.5
n÷3 6129313.6666667
n÷3 4596985.25
n÷5 3677588.2

Exponentiation

ny
n2 338116374219481
n3 6.2172639402817E+21
n4 1.1432268251533E+29
n5 2.1021587410536E+36

Nth Root

y√n
2√n 4288.1162530883
3√n 263.94353800944
4√n 65.483709829913
5√n 28.373088998348

Divisors of 18387941

1, 11, 13, 143, 149, 863, 1639, 1937, 9493, 11219, 21307, 123409, 128587, 1414457, 1671631, 18387941

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 -18387940
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 18387941 can be divided by 16 positive divisors. The sum of these divisors (counting 18387941) is 1, the average is 0.0625.

Base conversion 18387941

Base System Value
2 Binary 1000110001001001111100101
3 Ternary 1021121012111212
4 Quaternary 1012021033211
5 Quinary 14201403231
6 Senary 1454041205
8 Octal 106111745
10 Decimal 18387941
12 Duodecimal 61a9205
16 Hexadecimal 11893e5
20 Vigesimal 5ei9h1
36 Base36 ay485

Cryptographic Hash Functions

md5 f57c168773064f5559d7ec5882e4189a
sha1 3df08d038bb28eb2faef274c7ac8fdbaf33bfdfb
sha256 7960d8219628ca0aa06985bac8e91bc9cf08b5c789cc06d2d8b779bc6cd8b44b
sha512 19cfb9968a2360418ea9d7499cd8a2af7d1e1241123f05c3603032d90669e01ad3fe319471e31abe2a97740a1f0e1f91a33ed455acae029f166e78671e5cd21c
ripemd-160 66973fc271fba89b734a45bccafcce08d68a5130

18387941 as geometric shapes

Circle

Radius = n
Diameter 36775882
Circumference 115534840.72049
Area 1.0622239173063E+15

Sphere

Radius = n
Volume 2.6042814293624E+22
Surface area 4.2488956692254E+15
Circumference 115534840.72049

Square

Length = n
Perimeter 73551764
Area 338116374219481
Diagonal 26004475.546316

Cube

Length = n
Surface area 2028698245316886
Volume 6.2172639402817E+21
Space diagonal 31848848.058579

Equilateral Triangle

Length = n
Perimeter 55163823
Area 1.4640868475478E+14
Altitude 15924424.029289

Triangular Pyramid

Length = n
Surface area 1.4640868475478E+14
Volume 7.3271158209997E+20
Height 8668158.5154388