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

21968081 (number)

21968081 is an odd 8-digits composite number following 21968080 and preceding 21968082. In scientific notation, it is written as 2.1968081 × 10^7. The sum of its digits is 35. It has a total of 2 prime factors and 4 positive divisors. There are 21931632 positive integers (up to 21968081) that are relatively prime to 21968081.

Interesting facts

21968081 has 4 divisors, whose sum is 22004532
The reverse of 21968081 is 18086912
Previous prime number is 613

Basic properties

Is Prime? no
Number parity odd
Number length 8
Sum of Digits 35
Digital Root 8

Name

Name	twenty-one million nine hundred sixty-eight thousand eighty-one

Notation

Scientific notation	2.1968081 × 10^7
Engineering notation	2.1968081 × 10^6

Prime Factorization of 21968081

Prime Factorization 613 × 35837

Composite number

ω	Distinct Factors	2	Total number of distinct prime factors
Ω	Total Factors	2	Total number of prime factors
rad	Radical	21968081	Product of the distinct prime numbers

The prime factorization of 21968081 is 613 × 35837. Since it has a total of 2 prime factors.

Most popular turbo-numbers

9, 7, 90, 77, 375, 730, 3347, 4972, 46986, 52280, 732735, 205237, 439679, 5745800, 67847505, 99720475, 598636536, 173077198, 8989336750, 9724587290

Basic calculations (n = 21968081)

Multiplication

n×y

n×2	43936162
n×3	65904243
n×4	87872324
n×5	109840405

Division

n÷y

n÷2	10984040.5
n÷3	7322693.6666667
n÷3	5492020.25
n÷5	4393616.2

Exponentiation

n^y

n²	482596582822561
n³	1.0601720821769E+22
n⁴	2.3289946175201E+29
n⁵	5.1163542406246E+36

Nth Root

^y√n

²√n	4687.0119479259
³√n	280.06835491016
⁴√n	68.461755366963
⁵√n	29.400751017547

Divisors of 21968081

1, 613, 35837, 21968081

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	-21968080	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 21968081 can be divided by 4 positive divisors. The sum of these divisors (counting 21968081) is 1, the average is 0.25.

Base conversion 21968081

Base	System	Value
2	Binary	1010011110011010011010001
3	Ternary	1112100002112122
4	Quaternary	1103303103101
5	Quinary	21110434311
6	Senary	2102504025
8	Octal	123632321
10	Decimal	21968081
12	Duodecimal	7435015
16	Hexadecimal	14f34d1
20	Vigesimal	6h6041
36	Base36	d2uoh

Cryptographic Hash Functions

md5	ab539d3dd820ddc15711f403ea9f6078
sha1	62e6f86e85019f8f769f7bb4824075ea5cd819ab
sha256	d52ebd4931d908851e39110ad3e93a41cc77a875e8c221f934cd2fdfc78d0752
sha512	43c33adb6afd1af46646419e4c6373c4cc98b9c11a8b67e8ed92b25b75d7aa3bb7681526351f999f6d51df95ca126a77058c1df13b537b774458811c28509e86
ripemd-160	6006e4b3d645b92fb330d881a079c72f128d7856

21968081 as geometric shapes

Circle

Radius = n

Diameter	43936162
Circumference	138029523.76613
Area	1.5161218792429E+15

Sphere

Radius = n

Volume	4.4408384332107E+22
Surface area	6.0644875169716E+15
Circumference	138029523.76613

Square

Length = n

Perimeter	87872324
Area	482596582822561
Diagonal	31067558.089511

Cube

Length = n

Surface area	2895579496935366
Volume	1.0601720821769E+22
Space diagonal	38049832.436789

Equilateral Triangle

Length = n

Perimeter	65904243
Area	2.0897045025195E+14
Altitude	19024916.218394

Triangular Pyramid

Length = n

Surface area	2.0897045025195E+14
Volume	1.2494247808866E+21
Height	10355852.696504