21354986 (number)

21354986 is an even 8-digits composite number following 21354985 and preceding 21354987. In scientific notation, it is written as 2.1354986 × 10^7. The sum of its digits is 38. It has a total of 2 prime factors and 4 positive divisors. There are 10677492 positive integers (up to 21354986) that are relatively prime to 21354986.

Interesting facts

Basic properties

Name

Name twenty-one million three hundred fifty-four thousand nine hundred eighty-six

Notation

Scientific notation 2.1354986 × 10^7
Engineering notation 2.1354986 × 10^6

Prime Factorization of 21354986

Prime Factorization 2 × 10677493

Composite number
ω Distinct Factors 2
Total number of distinct prime factors
Ω Total Factors 2
Total number of prime factors
rad Radical 21354986
Product of the distinct prime numbers

The prime factorization of 21354986 is 2 × 10677493. Since it has a total of 2 prime factors.

Most popular turbo-numbers

2, 2, 67, 26, 311, 268, 8800, 2587, 3893, 22504, 778926, 926168, 4281341, 3427830, 44095472, 410153, 373309876, 890296667, 2273335912, 1864393302

Basic calculations (n = 21354986)

Multiplication

n×y
n×2 42709972
n×3 64064958
n×4 85419944
n×5 106774930

Division

n÷y
n÷2 10677493
n÷3 7118328.6666667
n÷3 5338746.5
n÷5 4270997.2

Exponentiation

ny
n2 456035427060196
n3 9.7386301603745E+21
n4 2.0796831073398E+29
n5 4.4411603641677E+36

Nth Root

y√n
2√n 4621.1455289787
3√n 277.43831001608
4√n 67.979008002314
5√n 29.234781899149

Divisors of 21354986

1, 2, 10677493, 21354986

4 divisors

τ Total Divisors 4
Total number of the positive divisors of n
σ Sum of Divisors 1
Sum of all the positive divisors of n
s Aliquot Sum -21354985
Sum of the proper positive divisors of n
A Arithmetic Mean 0.25
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 4
Returns the total number of divisors (τ(n)) divided by the sum of the reciprocal of each divisors

The number 21354986 can be divided by 4 positive divisors. The sum of these divisors (counting 21354986) is 1, the average is 0.25.

Base conversion 21354986

Base System Value
2 Binary 1010001011101100111101010
3 Ternary 1111011221112102
4 Quaternary 1101131213222
5 Quinary 20431324421
6 Senary 2041413402
8 Octal 121354752
10 Decimal 21354986
12 Duodecimal 719a262
16 Hexadecimal 145d9ea
20 Vigesimal 6d9796
36 Base36 cppm2

Cryptographic Hash Functions

md5 44a839dc10f122089f1987ff2f4a6015
sha1 4cc79b4753c4b883404688faba0d1b636490f84c
sha256 0c53d9757fc691ca84ecd273615af197a3e0d87547dbde74dcc56e8117caf71f
sha512 c4329a32e587084ca2e8a21e986c15fe3eec2f5e39cb10d73375716009cf0e84278f09755e89a114ecbe7aa6c1518df881675c6dfb317647341581fa86e47297
ripemd-160 45e8162c9fecd71f8d465e094f6fc1527e25cdb7

21354986 as geometric shapes

Circle

Radius = n
Diameter 42709972
Circumference 134177334.27023
Area 1.432677547429E+15

Sphere

Radius = n
Volume 4.0793078623814E+22
Surface area 5.730710189716E+15
Circumference 134177334.27023

Square

Length = n
Perimeter 85419944
Area 456035427060196
Diagonal 30200510.825488

Cube

Length = n
Surface area 2736212562361176
Volume 9.7386301603745E+21
Space diagonal 36987920.746922

Equilateral Triangle

Length = n
Perimeter 64064958
Area 1.9746913242991E+14
Altitude 18493960.373461

Triangular Pyramid

Length = n
Surface area 1.9746913242991E+14
Volume 1.1477085709781E+21
Height 10066836.941829