18981317 (number)

18981317 is an odd 8-digits composite number following 18981316 and preceding 18981318. In scientific notation, it is written as 1.8981317 × 10^7. The sum of its digits is 38. It has a total of 2 prime factors and 4 positive divisors. There are 18964140 positive integers (up to 18981317) that are relatively prime to 18981317.

Interesting facts

Basic properties

Name

Name eighteen million nine hundred eighty-one thousand three hundred seventeen

Notation

Scientific notation 1.8981317 × 10^7
Engineering notation 1.8981317 × 10^6

Prime Factorization of 18981317

Prime Factorization 1187 × 15991

Composite number
ω Distinct Factors 2
Total number of distinct prime factors
Ω Total Factors 2
Total number of prime factors
rad Radical 18981317
Product of the distinct prime numbers

The prime factorization of 18981317 is 1187 × 15991. Since it has a total of 2 prime factors.

Most popular turbo-numbers

Basic calculations (n = 18981317)

Multiplication

n×y
n×2 37962634
n×3 56943951
n×4 75925268
n×5 94906585

Division

n÷y
n÷2 9490658.5
n÷3 6327105.6666667
n÷3 4745329.25
n÷5 3796263.4

Exponentiation

ny
n2 360290395054489
n3 6.8387862005845E+21
n4 1.2980916876852E+29
n5 2.4639489819018E+36

Nth Root

y√n
2√n 4356.7553293707
3√n 266.75267347291
4√n 66.005721944167
5√n 28.553889100671

Divisors of 18981317

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 -18981316
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 18981317 can be divided by 4 positive divisors. The sum of these divisors (counting 18981317) is 1, the average is 0.25.

Base conversion 18981317

Base System Value
2 Binary 1001000011010000111000101
3 Ternary 1022201100110202
4 Quaternary 1020122013011
5 Quinary 14324400232
6 Senary 1514500245
8 Octal 110320705
10 Decimal 18981317
12 Duodecimal 6434685
16 Hexadecimal 121a1c5
20 Vigesimal 5icd5h
36 Base36 bau2t

Cryptographic Hash Functions

md5 cc6b1d1235e78062d2ff6feb8b828320
sha1 95053f69253f8b3fef20a8bc6aab9e95b6b54ee7
sha256 9a07c800d84db54494d27bf373ef5f896495538f434e08c02af436fb3e40e154
sha512 eeeb81d7bf13e21d813900502419650d726bd1464adbad54edb5e52d807666a540180ef3fd20d448261fed6192a94fcb165227ab87ba87d6dee7cb749049ed9b
ripemd-160 da0895bfbc1025cf758464648dc962b290ce3b4f

18981317 as geometric shapes

Circle

Radius = n
Diameter 37962634
Circumference 119263132.08532
Area 1.1318856582621E+15

Sphere

Radius = n
Volume 2.8646240649637E+22
Surface area 4.5275426330486E+15
Circumference 119263132.08532

Square

Length = n
Perimeter 75925268
Area 360290395054489
Diagonal 26843635.933103

Cube

Length = n
Surface area 2161742370326934
Volume 6.8387862005845E+21
Space diagonal 32876605.438571

Equilateral Triangle

Length = n
Perimeter 56943951
Area 1.5601031742836E+14
Altitude 16438302.719285

Triangular Pyramid

Length = n
Surface area 1.5601031742836E+14
Volume 8.0595868291971E+20
Height 8947878.6443677