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

21131915 (number)

21131915 is an odd 8-digits composite number following 21131914 and preceding 21131916. In scientific notation, it is written as 2.1131915 × 10^7. The sum of its digits is 23. It has a total of 3 prime factors and 8 positive divisors. There are 14490432 positive integers (up to 21131915) that are relatively prime to 21131915.

Interesting facts

21131915 has 8 divisors, whose sum is 28980960
The reverse of 21131915 is 51913112
Previous prime number is 5

Basic properties

Is Prime? no
Number parity odd
Number length 8
Sum of Digits 23
Digital Root 5

Name

Name	twenty-one million one hundred thirty-one thousand nine hundred fifteen

Notation

Scientific notation	2.1131915 × 10^7
Engineering notation	2.1131915 × 10^6

Prime Factorization of 21131915

Prime Factorization 7 × 5 × 603769

Composite number

ω	Distinct Factors	3	Total number of distinct prime factors
Ω	Total Factors	3	Total number of prime factors
rad	Radical	21131915	Product of the distinct prime numbers

The prime factorization of 21131915 is 7 × 5 × 603769. Since it has a total of 3 prime factors.

Most popular turbo-numbers

5, 2, 20, 3, 198, 562, 5346, 3844, 54201, 86217, 771606, 313808, 7035716, 563498, 91076651, 22597669, 323685475, 640334382, 7384936141, 9093791117

Basic calculations (n = 21131915)

Multiplication

n×y

n×2	42263830
n×3	63395745
n×4	84527660
n×5	105659575

Division

n÷y

n÷2	10565957.5
n÷3	7043971.6666667
n÷3	5282978.75
n÷5	4226383

Exponentiation

n^y

n²	446557831567225
n³	9.4366221392629E+21
n⁴	1.9941389693402E+29
n⁵	4.2139975198285E+36

Nth Root

^y√n

²√n	4596.9462689921
³√n	276.46890029504
⁴√n	67.800783690102
⁵√n	29.173448655133

Divisors of 21131915

1, 5, 7, 35, 603769, 3018845, 4226383, 21131915

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	-21131914	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 21131915 can be divided by 8 positive divisors. The sum of these divisors (counting 21131915) is 1, the average is 0.125.

Base conversion 21131915

Base	System	Value
2	Binary	1010000100111001010001011
3	Ternary	1110202121112112
4	Quaternary	1100213022023
5	Quinary	20402210130
6	Senary	2032532535
8	Octal	120471213
10	Decimal	21131915
12	Duodecimal	70b114b
16	Hexadecimal	142728b
20	Vigesimal	6c19ff
36	Base36	ckxhn

Cryptographic Hash Functions

md5	72f74f1f85bc5cbe1f1a6631e79c3664
sha1	925ec7686bc5bc5c55fb891d4c66316905b4f54d
sha256	1677bf6def81ad2ae992de68694a066fc572e4a5323a5b9f22627642585249ed
sha512	6eb4bd5f760ee20e6c62511cf06f08d3c7150adc1fa5b3f16ca8ab74dc8c0ccb1167408c65fb3c7bcfa52be0005c4f28719ba8327c9549964579301084084f4f
ripemd-160	e956702f1eb4f00938db50139a31f3dc396ce510

21131915 as geometric shapes

Circle

Radius = n

Diameter	42263830
Circumference	132775737.84057
Area	1.4029028030546E+15

Sphere

Radius = n

Volume	3.9528030383215E+22
Surface area	5.6116112122183E+15
Circumference	132775737.84057

Square

Length = n

Perimeter	84527660
Area	446557831567225
Diagonal	29885040.791915

Cube

Length = n

Surface area	2679346989403350
Volume	9.4366221392629E+21
Space diagonal	36601550.441227

Equilateral Triangle

Length = n

Perimeter	63395745
Area	1.9336521319805E+14
Altitude	18300775.220613

Triangular Pyramid

Length = n

Surface area	1.9336521319805E+14
Volume	1.1121165843613E+21
Height	9961680.2639718