21086977 (number)

21086977 is an odd 8-digits composite number following 21086976 and preceding 21086978. In scientific notation, it is written as 2.1086977 × 10^7. The sum of its digits is 40. It has a total of 3 prime factors and 8 positive divisors. There are 20697600 positive integers (up to 21086977) that are relatively prime to 21086977.

Interesting facts

Basic properties

Name

Name twenty-one million eighty-six thousand nine hundred seventy-seven

Notation

Scientific notation 2.1086977 × 10^7
Engineering notation 2.1086977 × 10^6

Prime Factorization of 21086977

Prime Factorization 67 × 641 × 491

Composite number
ω Distinct Factors 3
Total number of distinct prime factors
Ω Total Factors 3
Total number of prime factors
rad Radical 21086977
Product of the distinct prime numbers

The prime factorization of 21086977 is 67 × 641 × 491. Since it has a total of 3 prime factors.

Most popular turbo-numbers

Basic calculations (n = 21086977)

Multiplication

n×y
n×2 42173954
n×3 63260931
n×4 84347908
n×5 105434885

Division

n÷y
n÷2 10543488.5
n÷3 7028992.3333333
n÷3 5271744.25
n÷5 4217395.4

Exponentiation

ny
n2 444660598998529
n3 9.3765478238882E+21
n4 1.9772304830173E+29
n5 4.1693813719085E+36

Nth Root

y√n
2√n 4592.0558576742
3√n 276.27278655634
4√n 67.764709529918
5√n 29.161030348334

Divisors of 21086977

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 -21086976
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 21086977 can be divided by 8 positive divisors. The sum of these divisors (counting 21086977) is 1, the average is 0.125.

Base conversion 21086977

Base System Value
2 Binary 1010000011100001100000001
3 Ternary 1110200022220011
4 Quaternary 1100130030001
5 Quinary 20344240402
6 Senary 2031544521
8 Octal 120341401
10 Decimal 21086977
12 Duodecimal 708b141
16 Hexadecimal 141c301
20 Vigesimal 6bfh8h
36 Base36 cjytd

Cryptographic Hash Functions

md5 5b79ee2f4ab8ca87346f9e712c15d706
sha1 e0d8cfc6114950390145e192c8ed88766e6e6170
sha256 911c6566822e74462d1e4a908c38229df7abc8b1f6d6188c7e2d76d702a776f4
sha512 e3be1e7dd8f229facf7424517fd2be58ca0dd9fa74098434fa3b88a5427cb2097ee34058629310aa75cc646f6500b16f1b44fe3db88bc2a5ceaa6baf3bf6ea3c
ripemd-160 e521b628b00e8795ebe6b81d314914da231e461f

21086977 as geometric shapes

Circle

Radius = n
Diameter 42173954
Circumference 132493384.05923
Area 1.3969424711546E+15

Sphere

Radius = n
Volume 3.9276391679414E+22
Surface area 5.5877698846185E+15
Circumference 132493384.05923

Square

Length = n
Perimeter 84347908
Area 444660598998529
Diagonal 29821488.86285

Cube

Length = n
Surface area 2667963593991174
Volume 9.3765478238882E+21
Space diagonal 36523715.542036

Equilateral Triangle

Length = n
Perimeter 63260931
Area 1.9254368739737E+14
Altitude 18261857.771018

Triangular Pyramid

Length = n
Surface area 1.9254368739737E+14
Volume 1.1050367583986E+21
Height 9940496.2876165