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

21491138 (number)

21491138 is an even 8-digits composite number following 21491137 and preceding 21491139. In scientific notation, it is written as 2.1491138 × 10^7. The sum of its digits is 29. It has a total of 3 prime factors and 8 positive divisors. There are 10738944 positive integers (up to 21491138) that are relatively prime to 21491138.

Interesting facts

21491138 has 8 divisors, whose sum is 32256588
The reverse of 21491138 is 83119412
Previous prime number is 2833

Basic properties

Is Prime? no
Number parity even
Number length 8
Sum of Digits 29
Digital Root 2

Name

Name	twenty-one million four hundred ninety-one thousand one hundred thirty-eight

Notation

Scientific notation	2.1491138 × 10^7
Engineering notation	2.1491138 × 10^6

Prime Factorization of 21491138

Prime Factorization 2 × 2833 × 3793

Composite number

ω	Distinct Factors	3	Total number of distinct prime factors
Ω	Total Factors	3	Total number of prime factors
rad	Radical	21491138	Product of the distinct prime numbers

The prime factorization of 21491138 is 2 × 2833 × 3793. Since it has a total of 3 prime factors.

Most popular turbo-numbers

7, 3, 42, 48, 215, 193, 5322, 4110, 24842, 10596, 381825, 996624, 7436342, 3378788, 55095946, 48461388, 742865344, 762812640, 6842999159, 7548438205

Basic calculations (n = 21491138)

Multiplication

n×y

n×2	42982276
n×3	64473414
n×4	85964552
n×5	107455690

Division

n÷y

n÷2	10745569
n÷3	7163712.6666667
n÷3	5372784.5
n÷5	4298227.6

Exponentiation

n^y

n²	461869012535044
n³	9.9260906863144E+21
n⁴	2.133229847401E+29
n⁵	4.5845537036213E+36

Nth Root

^y√n

²√n	4635.8535352187
³√n	278.02667825336
⁴√n	68.087102561489
⁵√n	29.271965362433

Divisors of 21491138

1, 2, 2833, 3793, 5666, 7586, 10745569, 21491138

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	-21491137	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 21491138 can be divided by 8 positive divisors. The sum of these divisors (counting 21491138) is 1, the average is 0.125.

Base conversion 21491138

Base	System	Value
2	Binary	1010001111110110111000010
3	Ternary	1111102212022002
4	Quaternary	1101332313002
5	Quinary	21000204023
6	Senary	2044344002
8	Octal	121766702
10	Decimal	21491138
12	Duodecimal	7245002
16	Hexadecimal	147edc2
20	Vigesimal	6e67gi
36	Base36	csmo2

Cryptographic Hash Functions

md5	be50491f362895805bef838f8ba2a750
sha1	b9aedfc6a03de8ba86c047e5b71fa55187a7beaa
sha256	934103b75cecbadb0756f11017b705b16912a56777f830079884aeb6c7bf60f8
sha512	0fb578c4aa18643b514f15dbd6ce016ccc1c6666397aed68f00cbd27ebb353a77482ddcc1e2fad1fb9fcae4dfba01bc12efcaac214d8b98de6710a486ea70868
ripemd-160	9c4be6b060c1372aaf71a2127483458192b4fa2e

21491138 as geometric shapes

Circle

Radius = n

Diameter	42982276
Circumference	135032802.51617
Area	1.4510042967009E+15

Sphere

Radius = n

Volume	4.1578311438655E+22
Surface area	5.8040171868035E+15
Circumference	135032802.51617

Square

Length = n

Perimeter	85964552
Area	461869012535044
Diagonal	30393058.830432

Cube

Length = n

Surface area	2771214075210264
Volume	9.9260906863144E+21
Space diagonal	37223742.928474

Equilateral Triangle

Length = n

Perimeter	64473414
Area	1.9999514903809E+14
Altitude	18611871.464237

Triangular Pyramid

Length = n

Surface area	1.9999514903809E+14
Volume	1.1698010058276E+21
Height	10131019.610144