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

21138091 (number)

21138091 is an odd 8-digits composite number following 21138090 and preceding 21138092. In scientific notation, it is written as 2.1138091 × 10^7. The sum of its digits is 25. It has a total of 3 prime factors and 8 positive divisors. There are 19468512 positive integers (up to 21138091) that are relatively prime to 21138091.

Interesting facts

21138091 has 8 divisors, whose sum is 22814960
The reverse of 21138091 is 19083112
Previous prime number is 523

Basic properties

Is Prime? no
Number parity odd
Number length 8
Sum of Digits 25
Digital Root 7

Name

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

Notation

Scientific notation	2.1138091 × 10^7
Engineering notation	2.1138091 × 10^6

Prime Factorization of 21138091

Prime Factorization 13 × 523 × 3109

Composite number

ω	Distinct Factors	3	Total number of distinct prime factors
Ω	Total Factors	3	Total number of prime factors
rad	Radical	21138091	Product of the distinct prime numbers

The prime factorization of 21138091 is 13 × 523 × 3109. Since it has a total of 3 prime factors.

Most popular turbo-numbers

3, 4, 97, 44, 775, 682, 2837, 8497, 98394, 87998, 343230, 801083, 6248551, 7188965, 85912058, 50206004, 308351525, 509704670, 9185788163, 5694797914

Basic calculations (n = 21138091)

Multiplication

n×y

n×2	42276182
n×3	63414273
n×4	84552364
n×5	105690455

Division

n÷y

n÷2	10569045.5
n÷3	7046030.3333333
n÷3	5284522.75
n÷5	4227618.2

Exponentiation

n^y

n²	446818891124281
n³	9.4448983811041E+21
n⁴	1.9964712146553E+29
n⁵	4.2201590214265E+36

Nth Root

^y√n

²√n	4597.6179702102
³√n	276.4958312131
⁴√n	67.805737000716
⁵√n	29.175153698518

Divisors of 21138091

1, 13, 523, 3109, 6799, 40417, 1626007, 21138091

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	-21138090	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 21138091 can be divided by 8 positive divisors. The sum of these divisors (counting 21138091) is 1, the average is 0.125.

Base conversion 21138091

Base	System	Value
2	Binary	1010000101000101010101011
3	Ternary	1110202221000021
4	Quaternary	1100220222223
5	Quinary	20402404331
6	Senary	2033021311
8	Octal	120505253
10	Decimal	21138091
12	Duodecimal	70b4837
16	Hexadecimal	1428aab
20	Vigesimal	6c254b
36	Base36	cl297

Cryptographic Hash Functions

md5	92da069e23c1b87715b048ba52331814
sha1	520e4ef4fdd4892b17dc9997d054f8d3f243999e
sha256	80d665189c7971578a018f929a3224a30f074638ea9b6e43d47b20a6efd6292d
sha512	471ebfded2754bba01962e08219380f40899123722d0a74e75afe0c22e980e5315c4a66f1da365b6cf85bd0ea1977a52aa53e9314207359b732517cc760936c5
ripemd-160	ac2f04e6ebe1a88f242e06fc24b70f5fc53cbb68

21138091 as geometric shapes

Circle

Radius = n

Diameter	42276182
Circumference	132814542.79303
Area	1.4037229458412E+15

Sphere

Radius = n

Volume	3.9562697823972E+22
Surface area	5.6148917833647E+15
Circumference	132814542.79303

Square

Length = n

Perimeter	84552364
Area	446818891124281
Diagonal	29893774.974877

Cube

Length = n

Surface area	2680913346745686
Volume	9.4448983811041E+21
Space diagonal	36612247.587014

Equilateral Triangle

Length = n

Perimeter	63414273
Area	1.9347825530221E+14
Altitude	18306123.793507

Triangular Pyramid

Length = n

Surface area	1.9347825530221E+14
Volume	1.1130919488161E+21
Height	9964591.6582922