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

21461390 (number)

21461390 is an even 8-digits composite number following 21461389 and preceding 21461391. In scientific notation, it is written as 2.1461390 × 10^7. The sum of its digits is 26. It has a total of 3 prime factors and 8 positive divisors. There are 8584552 positive integers (up to 21461390) that are relatively prime to 21461390.

Interesting facts

21461390 has 8 divisors, whose sum is 38630520
The reverse of 21461390 is 09316412
Previous prime number is 5

Basic properties

Is Prime? no
Number parity even
Number length 8
Sum of Digits 26
Digital Root 8

Name

Name	twenty-one million four hundred sixty-one thousand three hundred ninety

Notation

Scientific notation	2.1461390 × 10^7
Engineering notation	2.1461390 × 10^6

Prime Factorization of 21461390

Prime Factorization 2 × 5 × 2146139

Composite number

ω	Distinct Factors	3	Total number of distinct prime factors
Ω	Total Factors	3	Total number of prime factors
rad	Radical	21461390	Product of the distinct prime numbers

The prime factorization of 21461390 is 2 × 5 × 2146139. Since it has a total of 3 prime factors.

Most popular turbo-numbers

9, 4, 40, 36, 236, 305, 4711, 7926, 4149, 6831, 16457, 184547, 5235836, 5861370, 67193541, 84595898, 554593541, 135674950, 2740177170, 4431175050

Basic calculations (n = 21461390)

Multiplication

n×y

n×2	42922780
n×3	64384170
n×4	85845560
n×5	107306950

Division

n÷y

n÷2	10730695
n÷3	7153796.6666667
n÷3	5365347.5
n÷5	4292278

Exponentiation

n^y

n²	460591260732100
n³	9.8849286771633E+21
n⁴	2.1214430946279E+29
n⁵	4.5529117616615E+36

Nth Root

^y√n

²√n	4632.6439535108
³√n	277.89833765275
⁴√n	68.063528805894
⁵√n	29.263857230042

Divisors of 21461390

1, 2, 5, 10, 2146139, 4292278, 10730695, 21461390

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	-21461389	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 21461390 can be divided by 8 positive divisors. The sum of these divisors (counting 21461390) is 1, the average is 0.125.

Base conversion 21461390

Base	System	Value
2	Binary	1010001110111100110001110
3	Ternary	1111101100111022
4	Quaternary	1101313212032
5	Quinary	20443231030
6	Senary	2043554142
8	Octal	121674616
10	Decimal	21461390
12	Duodecimal	722b952
16	Hexadecimal	147798e
20	Vigesimal	6e2d9a
36	Base36	crzpq

Cryptographic Hash Functions

md5	200bd21c9f443434c53029ec16f407e0
sha1	777755a47ef6e0594db645512b58e58565071906
sha256	192217c2f264d5c4ef440f0026ffc60c7dda5d0d7cfdd56cdf97568029e2efbc
sha512	867b8212a6f6bb9af08a3f13815f7eab8e291d7d43de74c4f1a6d2dfcfd42ebd9899ed647659e9ef6e9d002e77c9b0877928e4074e247593bdd3e519b006376f
ripemd-160	f53cfb4a4adee91a75ba737c38b8dce550d3d5a7

21461390 as geometric shapes

Circle

Radius = n

Diameter	42922780
Circumference	134845890.31965
Area	1.4469901210236E+15

Sphere

Radius = n

Volume	4.1405892417914E+22
Surface area	5.7879604840945E+15
Circumference	134845890.31965

Square

Length = n

Perimeter	85845560
Area	460591260732100
Diagonal	30350988.805378

Cube

Length = n

Surface area	2763547564392600
Volume	9.8849286771633E+21
Space diagonal	37172217.881051

Equilateral Triangle

Length = n

Perimeter	64384170
Area	1.9944186627755E+14
Altitude	18586108.940525

Triangular Pyramid

Length = n

Surface area	1.9944186627755E+14
Volume	1.1649500165279E+21
Height	10116996.268459