18996861 (number)

18996861 is an odd 8-digits composite number following 18996860 and preceding 18996862. In scientific notation, it is written as 1.8996861 × 10^7. The sum of its digits is 48. It has a total of 3 prime factors and 8 positive divisors. There are 11690352 positive integers (up to 18996861) that are relatively prime to 18996861.

Interesting facts

Basic properties

Name

Name eighteen million nine hundred ninety-six thousand eight hundred sixty-one

Notation

Scientific notation 1.8996861 × 10^7
Engineering notation 1.8996861 × 10^6

Prime Factorization of 18996861

Prime Factorization 3 × 13 × 487099

Composite number
ω Distinct Factors 3
Total number of distinct prime factors
Ω Total Factors 3
Total number of prime factors
rad Radical 18996861
Product of the distinct prime numbers

The prime factorization of 18996861 is 3 × 13 × 487099. Since it has a total of 3 prime factors.

Most popular turbo-numbers

Basic calculations (n = 18996861)

Multiplication

n×y
n×2 37993722
n×3 56990583
n×4 75987444
n×5 94984305

Division

n÷y
n÷2 9498430.5
n÷3 6332287
n÷3 4749215.25
n÷5 3799372.2

Exponentiation

ny
n2 360880727853321
n3 6.8556010246084E+21
n4 1.3023489973594E+29
n5 2.4740542876326E+36

Nth Root

y√n
2√n 4358.5388606734
3√n 266.82546912817
4√n 66.01923099123
5√n 28.558564185513

Divisors of 18996861

8 divisors

τ Total Divisors 8
Total number of the positive divisors of n
σ Sum of Divisors 1
Sum of all the positive divisors of n
s Aliquot Sum -18996860
Sum of the proper positive divisors of n
A Arithmetic Mean 0.125
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 8
Returns the total number of divisors (τ(n)) divided by the sum of the reciprocal of each divisors

The number 18996861 can be divided by 8 positive divisors. The sum of these divisors (counting 18996861) is 1, the average is 0.125.

Base conversion 18996861

Base System Value
2 Binary 1001000011101111001111101
3 Ternary 1022202010210110
4 Quaternary 1020131321331
5 Quinary 14330344421
6 Senary 1515100233
8 Octal 110357175
10 Decimal 18996861
12 Duodecimal 6441679
16 Hexadecimal 121de7d
20 Vigesimal 5iec31
36 Base36 bb62l

Cryptographic Hash Functions

md5 7a8b1d3b36b41e8a605fe7e4d51cf6fd
sha1 f38f9ddf3879739ea91764300e0597c1415e2af4
sha256 a421bd3c911a9c743c3579e0784e8f74b0ce80729d31f7601af67f7c7e946383
sha512 0e9de40b49db6a379eafec9b2f6086ce71dd746b606b03819d4fd278653a9be29d2e89105890aeb28420f98fcbc2f28d4f8bb69ca084a470750986448a9f43ef
ripemd-160 70936df00259688b9548a1424e6f88751fea4d9e

18996861 as geometric shapes

Circle

Radius = n
Diameter 37993722
Circumference 119360797.91773
Area 1.1337402434461E+15

Sphere

Radius = n
Volume 2.8716674419803E+22
Surface area 4.5349609737845E+15
Circumference 119360797.91773

Square

Length = n
Perimeter 75987444
Area 360880727853321
Diagonal 26865618.468717

Cube

Length = n
Surface area 2165284367119926
Volume 6.8556010246084E+21
Space diagonal 32903528.436324

Equilateral Triangle

Length = n
Perimeter 56990583
Area 1.562659390286E+14
Altitude 16451764.218162

Triangular Pyramid

Length = n
Surface area 1.562659390286E+14
Volume 8.07940328935E+20
Height 8955206.1562388