Max	9223372036854775807
25835	Positive integer
0b10001100	Binary number
01771452	Octal number
0x129abf	Hex number
5.012 * 10^7	Scientific notation
2^4 * 5	Factorized form
*	Random number

21808897 (number)

21808897 is an odd 8-digits composite number following 21808896 and preceding 21808898. In scientific notation, it is written as 2.1808897 × 10^7. The sum of its digits is 43. It has a total of 2 prime factors and 4 positive divisors. There are 19826260 positive integers (up to 21808897) that are relatively prime to 21808897.

Interesting facts

21808897 has 4 divisors, whose sum is 23791536
The reverse of 21808897 is 79880812
Previous prime number is 11

Basic properties

Is Prime? no
Number parity odd
Number length 8
Sum of Digits 43
Digital Root 7

Name

Name	twenty-one million eight hundred eight thousand eight hundred ninety-seven

Notation

Scientific notation	2.1808897 × 10^7
Engineering notation	2.1808897 × 10^6

Prime Factorization of 21808897

Prime Factorization 11 × 1982627

Composite number

ω	Distinct Factors	2	Total number of distinct prime factors
Ω	Total Factors	2	Total number of prime factors
rad	Radical	21808897	Product of the distinct prime numbers

The prime factorization of 21808897 is 11 × 1982627. Since it has a total of 2 prime factors.

Most popular turbo-numbers

10, 2, 41, 66, 941, 381, 1711, 5493, 11781, 48096, 495304, 217868, 7986784, 9060155, 40076156, 39520336, 33271401, 368065551, 9533832495, 278083191

Basic calculations (n = 21808897)

Multiplication

n×y

n×2	43617794
n×3	65426691
n×4	87235588
n×5	109044485

Division

n÷y

n÷2	10904448.5
n÷3	7269632.3333333
n÷3	5452224.25
n÷5	4361779.4

Exponentiation

n^y

n²	475627988356609
n³	1.0372921808386E+22
n⁴	2.2622198330815E+29
n⁵	4.9336519331033E+36

Nth Root

^y√n

²√n	4669.9996788008
³√n	279.39024196696
⁴√n	68.337395902982
⁵√n	29.358018531317

Divisors of 21808897

1, 11, 1982627, 21808897

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	-21808896	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 21808897 can be divided by 4 positive divisors. The sum of these divisors (counting 21808897) is 1, the average is 0.25.

Base conversion 21808897

Base	System	Value
2	Binary	1010011001100011100000001
3	Ternary	1112001000011221
4	Quaternary	1103030130001
5	Quinary	21040341042
6	Senary	2055235041
8	Octal	123143401
10	Decimal	21808897
12	Duodecimal	7378a81
16	Hexadecimal	14cc701
20	Vigesimal	6g624h
36	Base36	czfup

Cryptographic Hash Functions

md5	3a13398c293530e897a715e81dd52b16
sha1	af98cbcfa9c48e7c3c2618da8a188092de3162a5
sha256	fac5621a43f5e8dbf6ff529f24196371f7d4f940841de4696d715cdf0372e54c
sha512	7e097912d3e80404c478068d3de6d4c3de00900e30b682a34c743951d509d604d04cb1543671b97f0b940084c2a900f7b30e3cb240d10f7804c31874a562b758
ripemd-160	279ad0a250be01fd0719f964edc216adb01ee91d

21808897 as geometric shapes

Circle

Radius = n

Diameter	43617794
Circumference	137029341.19619
Area	1.4942293940628E+15

Sphere

Radius = n

Volume	4.3449993265984E+22
Surface area	5.9769175762513E+15
Circumference	137029341.19619

Square

Length = n

Perimeter	87235588
Area	475627988356609
Diagonal	30842437.917798

Cube

Length = n

Surface area	2853767930139654
Volume	1.0372921808386E+22
Space diagonal	37774117.661036

Equilateral Triangle

Length = n

Perimeter	65426691
Area	2.0595296033386E+14
Altitude	18887058.830518

Triangular Pyramid

Length = n

Surface area	2.0595296033386E+14
Volume	1.2224605585713E+21
Height	10280812.639266