18991017 (number)

18991017 is an odd 8-digits composite number following 18991016 and preceding 18991018. In scientific notation, it is written as 1.8991017 × 10^7. The sum of its digits is 36. It has a total of 5 prime factors and 10 positive divisors. There are 12660624 positive integers (up to 18991017) that are relatively prime to 18991017.

Interesting facts

Basic properties

Name

Name eighteen million nine hundred ninety-one thousand seventeen

Notation

Scientific notation 1.8991017 × 10^7
Engineering notation 1.8991017 × 10^6

Prime Factorization of 18991017

Prime Factorization 3 × 3 × 3 × 3 × 234457

Composite number
ω Distinct Factors 2
Total number of distinct prime factors
Ω Total Factors 5
Total number of prime factors
rad Radical 703371
Product of the distinct prime numbers

The prime factorization of 18991017 is 3 × 3 × 3 × 3 × 234457. Since it has a total of 5 prime factors.

Most popular turbo-numbers

Basic calculations (n = 18991017)

Multiplication

n×y
n×2 37982034
n×3 56973051
n×4 75964068
n×5 94955085

Division

n÷y
n÷2 9495508.5
n÷3 6330339
n÷3 4747754.25
n÷5 3798203.4

Exponentiation

ny
n2 360658726694289
n3 6.8492760098496E+21
n4 1.3007471714075E+29
n5 2.4702511644901E+36

Nth Root

y√n
2√n 4357.8684009502
3√n 266.79810516933
4√n 66.014153035165
5√n 28.556806876347

Divisors of 18991017

10 divisors

τ Total Divisors 10
Total number of the positive divisors of n
σ Sum of Divisors 1
Sum of all the positive divisors of n
s Aliquot Sum -18991016
Sum of the proper positive divisors of n
A Arithmetic Mean 0.1
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 10
Returns the total number of divisors (τ(n)) divided by the sum of the reciprocal of each divisors

The number 18991017 can be divided by 10 positive divisors. The sum of these divisors (counting 18991017) is 1, the average is 0.1.

Base conversion 18991017

Base System Value
2 Binary 1001000011100011110101001
3 Ternary 1022201211210000
4 Quaternary 1020130132221
5 Quinary 14330203032
6 Senary 1515013213
8 Octal 110343651
10 Decimal 18991017
12 Duodecimal 643a209
16 Hexadecimal 121c7a9
20 Vigesimal 5idhah
36 Base36 bb1k9

Cryptographic Hash Functions

md5 99450614cff814b4e5e6c5ada40f9e98
sha1 46afca5dc717497c583892a2a83cfb68ac51dc28
sha256 ac05b54b95536ab03bae20b284df9480e1f7f4c93ea8f72ff091db386023ac33
sha512 721dc26f2a3f9d1786cfc2fd08118f78d2119146332c97a1aebad9ab70bcc90163677bca80465c84b4a62e5016e65844ca83d4d454a39d6faca1db9a6f2f1883
ripemd-160 c81f344236b88699912d348dcd0f33668ffa0bcb

18991017 as geometric shapes

Circle

Radius = n
Diameter 37982034
Circumference 119324078.9828
Area 1.1330428062358E+15

Sphere

Radius = n
Volume 2.8690180259936E+22
Surface area 4.5321712249433E+15
Circumference 119324078.9828

Square

Length = n
Perimeter 75964068
Area 360658726694289
Diagonal 26857353.804658

Cube

Length = n
Surface area 2163952360165734
Volume 6.8492760098496E+21
Space diagonal 32893406.331404

Equilateral Triangle

Length = n
Perimeter 56973051
Area 1.561698097069E+14
Altitude 16446703.165702

Triangular Pyramid

Length = n
Surface area 1.561698097069E+14
Volume 8.0719491879716E+20
Height 8952451.2682193