18841381 (number)

18841381 is an odd 8-digits composite number following 18841380 and preceding 18841382. In scientific notation, it is written as 1.8841381 × 10^7. The sum of its digits is 34. It has a total of 2 prime factors and 4 positive divisors. There are 17392032 positive integers (up to 18841381) that are relatively prime to 18841381.

Interesting facts

Basic properties

Name

Name eighteen million eight hundred forty-one thousand three hundred eighty-one

Notation

Scientific notation 1.8841381 × 10^7
Engineering notation 1.8841381 × 10^6

Prime Factorization of 18841381

Prime Factorization 13 × 1449337

Composite number
ω Distinct Factors 2
Total number of distinct prime factors
Ω Total Factors 2
Total number of prime factors
rad Radical 18841381
Product of the distinct prime numbers

The prime factorization of 18841381 is 13 × 1449337. Since it has a total of 2 prime factors.

Most popular turbo-numbers

Basic calculations (n = 18841381)

Multiplication

n×y
n×2 37682762
n×3 56524143
n×4 75365524
n×5 94206905

Division

n÷y
n÷2 9420690.5
n÷3 6280460.3333333
n÷3 4710345.25
n÷5 3768276.2

Exponentiation

ny
n2 354997637987161
n3 6.6886457514162E+21
n4 1.2602332297646E+29
n5 2.3744534430856E+36

Nth Root

y√n
2√n 4340.6659627297
3√n 266.09552884453
4√n 65.883730637614
5√n 28.511662816061

Divisors of 18841381

4 divisors

τ Total Divisors 4
Total number of the positive divisors of n
σ Sum of Divisors 1
Sum of all the positive divisors of n
s Aliquot Sum -18841380
Sum of the proper positive divisors of n
A Arithmetic Mean 0.25
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 4
Returns the total number of divisors (τ(n)) divided by the sum of the reciprocal of each divisors

The number 18841381 can be divided by 4 positive divisors. The sum of these divisors (counting 18841381) is 1, the average is 0.25.

Base conversion 18841381

Base System Value
2 Binary 1000111110111111100100101
3 Ternary 1022110020111221
4 Quaternary 1013313330211
5 Quinary 14310411011
6 Senary 1511500341
8 Octal 107677445
10 Decimal 18841381
12 Duodecimal 63876b1
16 Hexadecimal 11f7f25
20 Vigesimal 5hf391
36 Base36 b7u3p

Cryptographic Hash Functions

md5 d3ddbc452d9a912df2252a2440fce206
sha1 4065899eb9e812ef44a0aa34d102fa4efc6e97be
sha256 5f59651f1fb7ad7bec598ede656d0c74ee2028de9d1d100fa29de1bffbb8b416
sha512 103e045f290b03da6376d9d2960e3c87b3339b4907ce74ae808bb2dbba0c80c9417d7dcff341266e5946e9fb3579f05daf0ed2cf5d2806b7c307c0d61c6cfb85
ripemd-160 8265611f8cbd4b62b86ea5884ec55263db55752c

18841381 as geometric shapes

Circle

Radius = n
Diameter 37682762
Circumference 118383888.26617
Area 1.1152579715422E+15

Sphere

Radius = n
Volume 2.8017333806818E+22
Surface area 4.4610318861688E+15
Circumference 118383888.26617

Square

Length = n
Perimeter 75365524
Area 354997637987161
Diagonal 26645736.544039

Cube

Length = n
Surface area 2129985827922966
Volume 6.6886457514162E+21
Space diagonal 32634229.176763

Equilateral Triangle

Length = n
Perimeter 56524143
Area 1.5371848639018E+14
Altitude 16317114.588381

Triangular Pyramid

Length = n
Surface area 1.5371848639018E+14
Volume 7.8826446129683E+20
Height 8881912.1813463