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

21490886 (number)

21490886 is an even 8-digits composite number following 21490885 and preceding 21490887. In scientific notation, it is written as 2.1490886 × 10^7. The sum of its digits is 38. It has a total of 2 prime factors and 4 positive divisors. There are 10745442 positive integers (up to 21490886) that are relatively prime to 21490886.

Interesting facts

21490886 has 4 divisors, whose sum is 32236332
The reverse of 21490886 is 68809412
Previous prime number is 2

Basic properties

Is Prime? no
Number parity even
Number length 8
Sum of Digits 38
Digital Root 2

Name

Name	twenty-one million four hundred ninety thousand eight hundred eighty-six

Notation

Scientific notation	2.1490886 × 10^7
Engineering notation	2.1490886 × 10^6

Prime Factorization of 21490886

Prime Factorization 2 × 10745443

Composite number

ω	Distinct Factors	2	Total number of distinct prime factors
Ω	Total Factors	2	Total number of prime factors
rad	Radical	21490886	Product of the distinct prime numbers

The prime factorization of 21490886 is 2 × 10745443. Since it has a total of 2 prime factors.

Most popular turbo-numbers

3, 8, 46, 38, 443, 377, 3878, 3102, 64563, 55781, 174406, 159524, 9948474, 876652, 95559531, 87603427, 845977408, 620202447, 6908186870, 6973395594

Basic calculations (n = 21490886)

Multiplication

n×y

n×2	42981772
n×3	64472658
n×4	85963544
n×5	107454430

Division

n÷y

n÷2	10745443
n÷3	7163628.6666667
n÷3	5372721.5
n÷5	4298177.2

Exponentiation

n^y

n²	461858181064996
n³	9.9257415174352E+21
n⁴	2.1331297941667E+29
n⁵	4.5842849229639E+36

Nth Root

^y√n

²√n	4635.8263556781
³√n	278.02559155743
⁴√n	68.086902967297
⁵√n	29.271896714882

Divisors of 21490886

1, 2, 10745443, 21490886

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	-21490885	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 21490886 can be divided by 4 positive divisors. The sum of these divisors (counting 21490886) is 1, the average is 0.25.

Base conversion 21490886

Base	System	Value
2	Binary	1010001111110110011000110
3	Ternary	1111102211221202
4	Quaternary	1101332303012
5	Quinary	21000202021
6	Senary	2044342502
8	Octal	121766306
10	Decimal	21490886
12	Duodecimal	7244a32
16	Hexadecimal	147ecc6
20	Vigesimal	6e6746
36	Base36	csmh2

Cryptographic Hash Functions

md5	67b1a3591d6d172ea8d3d738c01e0a52
sha1	d418a3444aa9bc71a1a7daa736711b84ca3a8d88
sha256	e7679d954089e1187422ef53f437b913b32fedb9cabcc41532ef4bcb63c86ac6
sha512	4b77c88da4683b95d8329f193558b0e93482e386e6452e05e3df8a877a5482987f0b61d9d5d390747b936f2c6bef826304ce7ebcdb333a782bb16096f8100250
ripemd-160	fe7705da8d99b7da5d34a38f131b0c3b2df3f93e

21490886 as geometric shapes

Circle

Radius = n

Diameter	42981772
Circumference	135031219.15347
Area	1.4509702686341E+15

Sphere

Radius = n

Volume	4.1576848843474E+22
Surface area	5.8038810745365E+15
Circumference	135031219.15347

Square

Length = n

Perimeter	85963544
Area	461858181064996
Diagonal	30392702.448614

Cube

Length = n

Surface area	2771149086389976
Volume	9.9257415174352E+21
Space diagonal	37223306.451671

Equilateral Triangle

Length = n

Perimeter	64472658
Area	1.9999045887398E+14
Altitude	18611653.225835

Triangular Pyramid

Length = n

Surface area	1.9999045887398E+14
Volume	1.1697598558805E+21
Height	10130900.816205