21086917 (number)

21086917 is an odd 8-digits composite number following 21086916 and preceding 21086918. In scientific notation, it is written as 2.1086917 × 10^7. The sum of its digits is 34. It has a total of 3 prime factors and 8 positive divisors. There are 20726160 positive integers (up to 21086917) that are relatively prime to 21086917.

Interesting facts

Basic properties

Name

Name twenty-one million eighty-six thousand nine hundred seventeen

Notation

Scientific notation 2.1086917 × 10^7
Engineering notation 2.1086917 × 10^6

Prime Factorization of 21086917

Prime Factorization 79 × 293 × 911

Composite number
ω Distinct Factors 3
Total number of distinct prime factors
Ω Total Factors 3
Total number of prime factors
rad Radical 21086917
Product of the distinct prime numbers

The prime factorization of 21086917 is 79 × 293 × 911. Since it has a total of 3 prime factors.

Most popular turbo-numbers

Basic calculations (n = 21086917)

Multiplication

n×y
n×2 42173834
n×3 63260751
n×4 84347668
n×5 105434585

Division

n÷y
n÷2 10543458.5
n÷3 7028972.3333333
n÷3 5271729.25
n÷5 4217383.4

Exponentiation

ny
n2 444658068564889
n3 9.3764677852081E+21
n4 1.9772079793986E+29
n5 4.1693220553315E+36

Nth Root

y√n
2√n 4592.049324648
3√n 276.27252452442
4√n 67.764661326151
5√n 29.161013753601

Divisors of 21086917

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 -21086916
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 21086917 can be divided by 8 positive divisors. The sum of these divisors (counting 21086917) is 1, the average is 0.125.

Base conversion 21086917

Base System Value
2 Binary 1010000011100001011000101
3 Ternary 1110200022210221
4 Quaternary 1100130023011
5 Quinary 20344240132
6 Senary 2031544341
8 Octal 120341305
10 Decimal 21086917
12 Duodecimal 708b0b1
16 Hexadecimal 141c2c5
20 Vigesimal 6bfh5h
36 Base36 cjyrp

Cryptographic Hash Functions

md5 0327cac17f41b14e8ec7cb06aeb61679
sha1 ab14eb171af8e2f1d67a1650c8bc4da9a0780ae4
sha256 0491a460bf5e0001466c154c854b4378bccbdaf7052d650fd5aa9b4fb89f3afa
sha512 489b808d297306903261a8ed14a328ed6745471047ee807f47e82412f1bf82556f63cd0a1a1e25a2209d091e29ca1c897a6538a4926a2d32a1e4e6d2db07c4c8
ripemd-160 01ee1dfe16e5311419e8ed8768240daeef16dad6

21086917 as geometric shapes

Circle

Radius = n
Diameter 42173834
Circumference 132493007.06812
Area 1.3969345215629E+15

Sphere

Radius = n
Volume 3.9276056414175E+22
Surface area 5.5877380862515E+15
Circumference 132493007.06812

Square

Length = n
Perimeter 84347668
Area 444658068564889
Diagonal 29821404.010036

Cube

Length = n
Surface area 2667948411389334
Volume 9.3764677852081E+21
Space diagonal 36523611.618988

Equilateral Triangle

Length = n
Perimeter 63260751
Area 1.9254259168746E+14
Altitude 18261805.809494

Triangular Pyramid

Length = n
Surface area 1.9254259168746E+14
Volume 1.1050273257496E+21
Height 9940468.0033453