18019091 (number)

18019091 is an odd 8-digits composite number following 18019090 and preceding 18019092. In scientific notation, it is written as 1.8019091 × 10^7. The sum of its digits is 29. It has a total of 2 prime factors and 4 positive divisors. There are 17437800 positive integers (up to 18019091) that are relatively prime to 18019091.

Interesting facts

Basic properties

Name

Name eighteen million nineteen thousand ninety-one

Notation

Scientific notation 1.8019091 × 10^7
Engineering notation 1.8019091 × 10^6

Prime Factorization of 18019091

Prime Factorization 31 × 581261

Composite number
ω Distinct Factors 2
Total number of distinct prime factors
Ω Total Factors 2
Total number of prime factors
rad Radical 18019091
Product of the distinct prime numbers

The prime factorization of 18019091 is 31 × 581261. Since it has a total of 2 prime factors.

Most popular turbo-numbers

Basic calculations (n = 18019091)

Multiplication

n×y
n×2 36038182
n×3 54057273
n×4 72076364
n×5 90095455

Division

n÷y
n÷2 9009545.5
n÷3 6006363.6666667
n÷3 4504772.75
n÷5 3603818.2

Exponentiation

ny
n2 324687640466281
n3 5.8505761401372E+21
n4 1.0542206387156E+29
n5 1.8996097623095E+36

Nth Root

y√n
2√n 4244.8899867959
3√n 262.16675959867
4√n 65.15282025205
5√n 28.258335414294

Divisors of 18019091

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 -18019090
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 18019091 can be divided by 4 positive divisors. The sum of these divisors (counting 18019091) is 1, the average is 0.25.

Base conversion 18019091

Base System Value
2 Binary 1000100101111001100010011
3 Ternary 1020220110112202
4 Quaternary 1010233030103
5 Quinary 14103102331
6 Senary 1442113415
8 Octal 104571423
10 Decimal 18019091
12 Duodecimal 604b86b
16 Hexadecimal 112f313
20 Vigesimal 5cc7eb
36 Base36 aq7mb

Cryptographic Hash Functions

md5 76142cc0ce65b4a5349c4dfe82f2c158
sha1 4959dcdf17aba2aa43d6cf50da7c581c29970878
sha256 5222767248a042dc5680cf3ae4d29ddf4ff6110257de9cfb238fa2029e3f8eb0
sha512 1cadec95cba5629086079696402f515768b594d3083bdaa2d8f7eba7c4f6b7d4a8ae19cae404a6340f91c0e379daf5647866b355b7844dd7651cf9ebec442c2a
ripemd-160 45f00b97c4de7eaca73ef43840b6ca8a1df58ef5

18019091 as geometric shapes

Circle

Radius = n
Diameter 36038182
Circumference 113217287.81993
Area 1.0200363060003E+15

Sphere

Radius = n
Volume 2.4506836028164E+22
Surface area 4.0801452240011E+15
Circumference 113217287.81993

Square

Length = n
Perimeter 72076364
Area 324687640466281
Diagonal 25482842.873835

Cube

Length = n
Surface area 1948125842797686
Volume 5.8505761401372E+21
Space diagonal 31209981.118207

Equilateral Triangle

Length = n
Perimeter 54057273
Area 1.4059387246931E+14
Altitude 15604990.559104

Triangular Pyramid

Length = n
Surface area 1.4059387246931E+14
Volume 6.8949701042321E+20
Height 8494280.957945