20921814 (number)

20921814 is an even 8-digits composite number following 20921813 and preceding 20921815. In scientific notation, it is written as 2.0921814 × 10^7. The sum of its digits is 27. It has a total of 4 prime factors and 16 positive divisors. There are 6973776 positive integers (up to 20921814) that are relatively prime to 20921814.

Interesting facts

Basic properties

Name

Name twenty million nine hundred twenty-one thousand eight hundred fourteen

Notation

Scientific notation 2.0921814 × 10^7
Engineering notation 2.0921814 × 10^6

Prime Factorization of 20921814

Prime Factorization 2 × 27 × 9 × 43049

Composite number
ω Distinct Factors 4
Total number of distinct prime factors
Ω Total Factors 4
Total number of prime factors
rad Radical 20921814
Product of the distinct prime numbers

The prime factorization of 20921814 is 2 × 27 × 9 × 43049. Since it has a total of 4 prime factors.

Most popular turbo-numbers

6, 4, 90, 57, 203, 2, 2618, 792, 98963, 47418, 487939, 622569, 2055067, 620097, 76942421, 79493379, 810177470, 169918138, 2815351171, 4585788899

Basic calculations (n = 20921814)

Multiplication

n×y
n×2 41843628
n×3 62765442
n×4 83687256
n×5 104609070

Division

n÷y
n÷2 10460907
n÷3 6973938
n÷3 5230453.5
n÷5 4184362.8

Exponentiation

ny
n2 437722301050596
n3 9.1579445662326E+21
n4 1.9160081283703E+29
n5 4.0086365684251E+36

Nth Root

y√n
2√n 4574.0369478175
3√n 275.54959619969
4√n 67.631626831073
5√n 29.115206008205

Divisors of 20921814

1, 2, 9, 18, 27, 54, 243, 486, 43049, 86098, 387441, 774882, 1162323, 2324646, 10460907, 20921814

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 -20921813
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 20921814 can be divided by 16 positive divisors. The sum of these divisors (counting 20921814) is 1, the average is 0.0625.

Base conversion 20921814

Base System Value
2 Binary 1001111110011110111010110
3 Ternary 1110100221100000
4 Quaternary 1033303313112
5 Quinary 20323444224
6 Senary 2024232130
8 Octal 117636726
10 Decimal 20921814
12 Duodecimal 700b646
16 Hexadecimal 13f3dd6
20 Vigesimal 6af4ae
36 Base36 cgfdi

Cryptographic Hash Functions

md5 9d1a5a105004198ebb42f0c59c08f7ba
sha1 3629d54678effa658b6dab272756ec7dd3df02c3
sha256 817af9df14668a14c51d4f01387b2cea6495efc32da0013bd411fe73be8aa612
sha512 14f933f4573daf558e98859d729ab5a0269b013fd41deb559f6cccd46cd27164b19aa9758d64e2e13ea6be77f339ec083cbbf7ffa9f07eef27055bcb08883fcb
ripemd-160 cb40e714488f21984a608d809d02f23b9fa39e29

20921814 as geometric shapes

Circle

Radius = n
Diameter 41843628
Circumference 131455634.32434
Area 1.375145165293E+15

Sphere

Radius = n
Volume 3.8360708495012E+22
Surface area 5.5005806611719E+15
Circumference 131455634.32434

Square

Length = n
Perimeter 83687256
Area 437722301050596
Diagonal 29587913.108247

Cube

Length = n
Surface area 2626333806303576
Volume 9.1579445662326E+21
Space diagonal 36237644.834506

Equilateral Triangle

Length = n
Perimeter 62765442
Area 1.895393162564E+14
Altitude 18118822.417253

Triangular Pyramid

Length = n
Surface area 1.895393162564E+14
Volume 1.0792741174189E+21
Height 9862637.7027491