21802840 (number)

21802840 is an even 8-digits composite number following 21802839 and preceding 21802841. In scientific notation, it is written as 2.1802840 × 10^7. The sum of its digits is 25. It has a total of 6 prime factors and 32 positive divisors. There are 8207872 positive integers (up to 21802840) that are relatively prime to 21802840.

Interesting facts

Basic properties

Name

Name twenty-one million eight hundred two thousand eight hundred forty

Notation

Scientific notation 2.1802840 × 10^7
Engineering notation 2.1802840 × 10^6

Prime Factorization of 21802840

Prime Factorization 2 × 2 × 2 × 5 × 17 × 32063

Composite number
ω Distinct Factors 4
Total number of distinct prime factors
Ω Total Factors 6
Total number of prime factors
rad Radical 5450710
Product of the distinct prime numbers

The prime factorization of 21802840 is 2 × 2 × 2 × 5 × 17 × 32063. Since it has a total of 6 prime factors.

Most popular turbo-numbers

4, 9, 16, 68, 700, 849, 2336, 5925, 45719, 5019, 117101, 446361, 932723, 5892739, 17235542, 76952345, 874742390, 626678898, 7382894982, 4550906697

Basic calculations (n = 21802840)

Multiplication

n×y
n×2 43605680
n×3 65408520
n×4 87211360
n×5 109014200

Division

n÷y
n÷2 10901420
n÷3 7267613.3333333
n÷3 5450710
n÷5 4360568

Exponentiation

ny
n2 475363832065600
n3 1.0364281572313E+22
n4 2.2597077283609E+29
n5 4.9268046048217E+36

Nth Root

y√n
2√n 4669.3511326522
3√n 279.36437449057
4√n 68.33265056071
5√n 29.35638762558

Divisors of 21802840

1, 2, 4, 5, 8, 10, 17, 20, 34, 40, 68, 85, 136, 170, 340, 680, 32063, 64126, 128252, 160315, 256504, 320630, 545071, 641260, 1090142, 1282520, 2180284, 2725355, 4360568, 5450710, 10901420, 21802840

32 divisors

τ Total Divisors 32
Total number of the positive divisors of n
σ Sum of Divisors 1
Sum of all the positive divisors of n
s Aliquot Sum -21802839
Sum of the proper positive divisors of n
A Arithmetic Mean 0.03125
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 32
Returns the total number of divisors (τ(n)) divided by the sum of the reciprocal of each divisors

The number 21802840 can be divided by 32 positive divisors. The sum of these divisors (counting 21802840) is 1, the average is 0.03125.

Base conversion 21802840

Base System Value
2 Binary 1010011001010111101011000
3 Ternary 1112000200212121
4 Quaternary 1103022331120
5 Quinary 21040142330
6 Senary 2055151024
8 Octal 123127530
10 Decimal 21802840
12 Duodecimal 7375474
16 Hexadecimal 14caf58
20 Vigesimal 6g5720
36 Base36 czb6g

Cryptographic Hash Functions

md5 874fd11febdc9dfbb7db2c441a948e9b
sha1 e2f8318aa6c76f0e3e85985bef22b54ae536b1f2
sha256 213ddfeb7b55c118efcaa641f636d6de86843b478c83d9943d0e2a170f883659
sha512 8aceada30e4d04232b9b700809be87e2937791b6f15fddb73035dee43a7dc19484f76853b1c3e8ddce342056493293220786283960da51e7e6fe15cd70b67caf
ripemd-160 12ffca4d45e754f529eeb0a78dffdf9cf63e1d70

21802840 as geometric shapes

Circle

Radius = n
Diameter 43605680
Circumference 136991283.94279
Area 1.4933995225996E+15

Sphere

Radius = n
Volume 4.3413801129753E+22
Surface area 5.9735980903983E+15
Circumference 136991283.94279

Square

Length = n
Perimeter 87211360
Area 475363832065600
Diagonal 30833872.026251

Cube

Length = n
Surface area 2852182992393600
Volume 1.0364281572313E+22
Space diagonal 37763626.629295

Equilateral Triangle

Length = n
Perimeter 65408520
Area 2.0583857730456E+14
Altitude 18881813.314648

Triangular Pyramid

Length = n
Surface area 2.0583857730456E+14
Volume 1.2214422969849E+21
Height 10277957.342084