21369986 (number)

21369986 is an even 8-digits composite number following 21369985 and preceding 21369987. In scientific notation, it is written as 2.1369986 × 10^7. The sum of its digits is 44. It has a total of 4 prime factors and 16 positive divisors. There are 9142080 positive integers (up to 21369986) that are relatively prime to 21369986.

Interesting facts

Basic properties

Name

Name twenty-one million three hundred sixty-nine thousand nine hundred eighty-six

Notation

Scientific notation 2.1369986 × 10^7
Engineering notation 2.1369986 × 10^6

Prime Factorization of 21369986

Prime Factorization 2 × 17 × 11 × 57139

Composite number
ω Distinct Factors 4
Total number of distinct prime factors
Ω Total Factors 4
Total number of prime factors
rad Radical 21369986
Product of the distinct prime numbers

The prime factorization of 21369986 is 2 × 17 × 11 × 57139. Since it has a total of 4 prime factors.

Most popular turbo-numbers

4, 8, 97, 29, 90, 898, 4774, 2633, 49737, 24834, 522612, 2945, 2454438, 6550995, 10137361, 6132378, 893010632, 473480992, 3383932750, 7421779527

Basic calculations (n = 21369986)

Multiplication

n×y
n×2 42739972
n×3 64109958
n×4 85479944
n×5 106849930

Division

n÷y
n÷2 10684993
n÷3 7123328.6666667
n÷3 5342496.5
n÷5 4273997.2

Exponentiation

ny
n2 456676301640196
n3 9.7591661725828E+21
n4 2.0855324447977E+29
n5 4.4567799147872E+36

Nth Root

y√n
2√n 4622.7682182865
3√n 277.50325348565
4√n 67.990942178253
5√n 29.238887718475

Divisors of 21369986

1, 2, 11, 17, 22, 34, 187, 374, 57139, 114278, 628529, 971363, 1257058, 1942726, 10684993, 21369986

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 -21369985
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 21369986 can be divided by 16 positive divisors. The sum of these divisors (counting 21369986) is 1, the average is 0.0625.

Base conversion 21369986

Base System Value
2 Binary 1010001100001010010000010
3 Ternary 1111012201002222
4 Quaternary 1101201102002
5 Quinary 20432314421
6 Senary 2042011042
8 Octal 121412202
10 Decimal 21369986
12 Duodecimal 71a6a82
16 Hexadecimal 1461482
20 Vigesimal 6db4j6
36 Base36 cq16q

Cryptographic Hash Functions

md5 526d5417546d3af84c2a34dda78adc16
sha1 14ab7b7740d0b2da783c6b6cd9c00213e4f36145
sha256 ed748c4cdeca3a3aeef2550982a60f87fbee00213ed95bb38131321deb196dad
sha512 778f8f5e46d5795a22c573ef9b00e9f793cd8b114be63176ab56ba53a00c2aa5cc890a2cf9cb3a4b729d6945884eafac58435f16de5b27104ca2f7e6389dacd3
ripemd-160 9e284d873f5067c2d904eede2a343b923aaa3a2e

21369986 as geometric shapes

Circle

Radius = n
Diameter 42739972
Circumference 134271582.04983
Area 1.4346909143014E+15

Sphere

Radius = n
Volume 4.0879099670597E+22
Surface area 5.7387636572056E+15
Circumference 134271582.04983

Square

Length = n
Perimeter 85479944
Area 456676301640196
Diagonal 30221724.028923

Cube

Length = n
Surface area 2740057809841176
Volume 9.7591661725828E+21
Space diagonal 37013901.509036

Equilateral Triangle

Length = n
Perimeter 64109958
Area 1.9774663926337E+14
Altitude 18506950.754518

Triangular Pyramid

Length = n
Surface area 1.9774663926337E+14
Volume 1.1501287632266E+21
Height 10073908.009641