21086790 (number)

21086790 is an even 8-digits composite number following 21086789 and preceding 21086791. In scientific notation, it is written as 2.1086790 × 10^7. The sum of its digits is 33. It has a total of 3 prime factors and 8 positive divisors. There are 5623136 positive integers (up to 21086790) that are relatively prime to 21086790.

Interesting facts

Basic properties

Name

Name twenty-one million eighty-six thousand seven hundred ninety

Notation

Scientific notation 2.1086790 × 10^7
Engineering notation 2.1086790 × 10^6

Prime Factorization of 21086790

Prime Factorization 2 × 15 × 702893

Composite number
ω Distinct Factors 3
Total number of distinct prime factors
Ω Total Factors 3
Total number of prime factors
rad Radical 21086790
Product of the distinct prime numbers

The prime factorization of 21086790 is 2 × 15 × 702893. Since it has a total of 3 prime factors.

Most popular turbo-numbers

Basic calculations (n = 21086790)

Multiplication

n×y
n×2 42173580
n×3 63260370
n×4 84347160
n×5 105433950

Division

n÷y
n÷2 10543395
n÷3 7028930
n÷3 5271697.5
n÷5 4217358

Exponentiation

ny
n2 444652712504100
n3 9.3762983715043E+21
n4 1.9771603473725E+29
n5 4.1691965041372E+36

Nth Root

y√n
2√n 4592.0354963785
3√n 276.27196988856
4√n 67.764559294505
5√n 29.160978627957

Divisors of 21086790

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 -21086789
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 21086790 can be divided by 8 positive divisors. The sum of these divisors (counting 21086790) is 1, the average is 0.125.

Base conversion 21086790

Base System Value
2 Binary 1010000011100001001000110
3 Ternary 1110200022122020
4 Quaternary 1100130021012
5 Quinary 20344234130
6 Senary 2031544010
8 Octal 120341106
10 Decimal 21086790
12 Duodecimal 708b006
16 Hexadecimal 141c246
20 Vigesimal 6bfgja
36 Base36 cjyo6

Cryptographic Hash Functions

md5 e8eb1b1550ee01960e5b4a5824009137
sha1 2f831336460d437d453dd144bddfeb98292286cb
sha256 a5cb2cf78dd708fdb0a9b4bf0a06d5decbc877be8fcad0f44bddf9db68a712cb
sha512 a6a35e4be1ed92a9fa1683b31de620d6537c7ffee1ee4f7ed1a46b7fe79bec06b816fe167c0ee9d03ab6b9ba42693ca692a0ca75a74e6d9ed0ac8c9d422d1d00
ripemd-160 501abbbeb57f03cfe076eb6afab1a39f6e87a8de

21086790 as geometric shapes

Circle

Radius = n
Diameter 42173580
Circumference 132492209.10358
Area 1.3969176950017E+15

Sphere

Radius = n
Volume 3.9275346775712E+22
Surface area 5.5876707800066E+15
Circumference 132492209.10358

Square

Length = n
Perimeter 84347160
Area 444652712504100
Diagonal 29821224.404913

Cube

Length = n
Surface area 2667916275024600
Volume 9.3762983715043E+21
Space diagonal 36523391.648535

Equilateral Triangle

Length = n
Perimeter 63260370
Area 1.925402724451E+14
Altitude 18261695.824268

Triangular Pyramid

Length = n
Surface area 1.925402724451E+14
Volume 1.1050073601532E+21
Height 9940408.1349711