21553986 (number)

21553986 is an even 8-digits composite number following 21553985 and preceding 21553987. In scientific notation, it is written as 2.1553986 × 10^7. The sum of its digits is 39. It has a total of 4 prime factors and 16 positive divisors. There are 7114704 positive integers (up to 21553986) that are relatively prime to 21553986.

Interesting facts

Basic properties

Name

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

Notation

Scientific notation 2.1553986 × 10^7
Engineering notation 2.1553986 × 10^6

Prime Factorization of 21553986

Prime Factorization 2 × 3 × 103 × 34877

Composite number
ω Distinct Factors 4
Total number of distinct prime factors
Ω Total Factors 4
Total number of prime factors
rad Radical 21553986
Product of the distinct prime numbers

The prime factorization of 21553986 is 2 × 3 × 103 × 34877. Since it has a total of 4 prime factors.

Most popular turbo-numbers

2, 4, 33, 40, 77, 722, 8653, 3729, 91022, 64425, 536742, 344752, 6335878, 8765620, 1927336, 64864112, 263116802, 164351048, 9092171114, 3020650416

Basic calculations (n = 21553986)

Multiplication

n×y
n×2 43107972
n×3 64661958
n×4 86215944
n×5 107769930

Division

n÷y
n÷2 10776993
n÷3 7184662
n÷3 5388496.5
n÷5 4310797.2

Exponentiation

ny
n2 464574312488196
n3 1.001342822733E+22
n4 2.1582929182388E+29
n5 4.6519815343618E+36

Nth Root

y√n
2√n 4642.6270580351
3√n 278.29743195331
4√n 68.136826004996
5√n 29.28906577174

Divisors of 21553986

1, 2, 3, 6, 103, 206, 309, 618, 34877, 69754, 104631, 209262, 3592331, 7184662, 10776993, 21553986

16 divisors

τ Total Divisors 16
Total number of the positive divisors of n
σ Sum of Divisors 1
Sum of all the positive divisors of n
s Aliquot Sum -21553985
Sum of the proper positive divisors of n
A Arithmetic Mean 0.0625
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 16
Returns the total number of divisors (τ(n)) divided by the sum of the reciprocal of each divisors

The number 21553986 can be divided by 16 positive divisors. The sum of these divisors (counting 21553986) is 1, the average is 0.0625.

Base conversion 21553986

Base System Value
2 Binary 1010010001110001101000010
3 Ternary 1111120001111210
4 Quaternary 1102032031002
5 Quinary 21004211421
6 Senary 2045550550
8 Octal 122161502
10 Decimal 21553986
12 Duodecimal 7275456
16 Hexadecimal 148e342
20 Vigesimal 6ee4j6
36 Base36 ctz5u

Cryptographic Hash Functions

md5 de5e98c51f0097c23e076ce6a8beff1c
sha1 38082216932681e97daa946d072da44b2898d3aa
sha256 8911fb8ccbff318ed0ba7c972624214ab790e3bce530c1dc0fe285b462892270
sha512 391a4421028202d446398ebebf027ee0de07e2dc6ca22ce47ceae72929335e9407796771e202cda3d13181b323f0d2b04f2eb45b0dc982fea9b0c16dee73de81
ripemd-160 16a16df2614de833b277fb9a06892df0c5667138

21553986 as geometric shapes

Circle

Radius = n
Diameter 43107972
Circumference 135427688.14635
Area 1.4595032471594E+15

Sphere

Radius = n
Volume 4.1944150074972E+22
Surface area 5.8380129886378E+15
Circumference 135427688.14635

Square

Length = n
Perimeter 86215944
Area 464574312488196
Diagonal 30481939.3244

Cube

Length = n
Surface area 2787445874929176
Volume 1.001342822733E+22
Space diagonal 37332598.857628

Equilateral Triangle

Length = n
Perimeter 64661958
Area 2.0116657828023E+14
Altitude 18666299.428814

Triangular Pyramid

Length = n
Surface area 2.0116657828023E+14
Volume 1.180093833745E+21
Height 10160646.441467