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

21378081 (number)

21378081 is an odd 8-digits composite number following 21378080 and preceding 21378082. In scientific notation, it is written as 2.1378081 × 10^7. The sum of its digits is 30. It has a total of 3 prime factors and 8 positive divisors. There are 14239872 positive integers (up to 21378081) that are relatively prime to 21378081.

Interesting facts

21378081 has 8 divisors, whose sum is 28528480
The reverse of 21378081 is 18087312
Previous prime number is 4513

Basic properties

Is Prime? no
Number parity odd
Number length 8
Sum of Digits 30
Digital Root 3

Name

Name	twenty-one million three hundred seventy-eight thousand eighty-one

Notation

Scientific notation	2.1378081 × 10^7
Engineering notation	2.1378081 × 10^6

Prime Factorization of 21378081

Prime Factorization 3 × 4513 × 1579

Composite number

ω	Distinct Factors	3	Total number of distinct prime factors
Ω	Total Factors	3	Total number of prime factors
rad	Radical	21378081	Product of the distinct prime numbers

The prime factorization of 21378081 is 3 × 4513 × 1579. Since it has a total of 3 prime factors.

Most popular turbo-numbers

6, 9, 59, 40, 892, 505, 4436, 4729, 53914, 35177, 590841, 713080, 9064879, 6345882, 66459771, 34906210, 679260960, 880967844, 6137912234, 4160496280

Basic calculations (n = 21378081)

Multiplication

n×y

n×2	42756162
n×3	64134243
n×4	85512324
n×5	106890405

Division

n÷y

n÷2	10689040.5
n÷3	7126027
n÷3	5344520.25
n÷5	4275616.2

Exponentiation

n^y

n²	457022347242561
n³	9.7702607581616E+21
n⁴	2.088694258791E+29
n⁵	4.4652275048669E+36

Nth Root

^y√n

²√n	4623.6436930196
³√n	277.53828868643
⁴√n	67.997380045261
⁵√n	29.241102534535

Divisors of 21378081

1, 3, 1579, 4513, 4737, 13539, 7126027, 21378081

8 divisors

τ	Total Divisors	8	Total number of the positive divisors of n
σ	Sum of Divisors	1	Sum of all the positive divisors of n
s	Aliquot Sum	-21378080	Sum of the proper positive divisors of n
A	Arithmetic Mean	0.125	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	8	Returns the total number of divisors (τ(n)) divided by the sum of the reciprocal of each divisors

The number 21378081 can be divided by 8 positive divisors. The sum of these divisors (counting 21378081) is 1, the average is 0.125.

Base conversion 21378081

Base	System	Value
2	Binary	1010001100011010000100001
3	Ternary	1111020010012210
4	Quaternary	1101203100201
5	Quinary	20433044311
6	Senary	2042112333
8	Octal	121432041
10	Decimal	21378081
12	Duodecimal	71ab6a9
16	Hexadecimal	1463421
20	Vigesimal	6dc541
36	Base36	cq7fl

Cryptographic Hash Functions

md5	40094e8adf5bc5e67a6f8cf0864699da
sha1	9bcbbf6585cc6105158d6bec798a1780b335c796
sha256	c63d91f664628cb2b9fddaed88ee1c4f7ca35fcf0793f6efd01fb646107a0dc3
sha512	e00437bb234e2e58c679b57397d122837cf822dee0b1548a1f46a1e3a35656d3a05d474f0eb7b49347ce81ea81d4b53e97786492a61978ca94cac780ebb59e2e
ripemd-160	a679e5bedae76f73f9c2002dffbd85a39462e26b

21378081 as geometric shapes

Circle

Radius = n

Diameter	42756162
Circumference	134322444.4349
Area	1.4357780486236E+15

Sphere

Radius = n

Volume	4.0925572561996E+22
Surface area	5.7431121944944E+15
Circumference	134322444.4349

Square

Length = n

Perimeter	85512324
Area	457022347242561
Diagonal	30233172.087711

Cube

Length = n

Surface area	2742134083455366
Volume	9.7702607581616E+21
Space diagonal	37027922.460323

Equilateral Triangle

Length = n

Perimeter	64134243
Area	1.9789648140463E+14
Altitude	18513961.230161

Triangular Pyramid

Length = n

Surface area	1.9789648140463E+14
Volume	1.1514362726761E+21
Height	10077724.029237