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

21131215 (number)

21131215 is an odd 8-digits composite number following 21131214 and preceding 21131216. In scientific notation, it is written as 2.1131215 × 10^7. The sum of its digits is 16. It has a total of 3 prime factors and 8 positive divisors. There are 14489952 positive integers (up to 21131215) that are relatively prime to 21131215.

Interesting facts

21131215 has 8 divisors, whose sum is 28980000
The reverse of 21131215 is 51213112
Previous prime number is 7

Basic properties

Is Prime? no
Number parity odd
Number length 8
Sum of Digits 16
Digital Root 7

Name

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

Notation

Scientific notation	2.1131215 × 10^7
Engineering notation	2.1131215 × 10^6

Prime Factorization of 21131215

Prime Factorization 5 × 7 × 603749

Composite number

ω	Distinct Factors	3	Total number of distinct prime factors
Ω	Total Factors	3	Total number of prime factors
rad	Radical	21131215	Product of the distinct prime numbers

The prime factorization of 21131215 is 5 × 7 × 603749. Since it has a total of 3 prime factors.

Most popular turbo-numbers

10, 9, 65, 56, 172, 151, 3619, 2201, 45364, 5817, 719866, 750871, 6893942, 5240835, 81698854, 55032820, 619375742, 697380958, 9674749810, 6438344172

Basic calculations (n = 21131215)

Multiplication

n×y

n×2	42262430
n×3	63393645
n×4	84524860
n×5	105656075

Division

n÷y

n÷2	10565607.5
n÷3	7043738.3333333
n÷3	5282803.75
n÷5	4226243

Exponentiation

n^y

n²	446528247376225
n³	9.4356843988802E+21
n⁴	1.9938747570488E+29
n⁵	4.2132996174272E+36

Nth Root

^y√n

²√n	4596.8701308608
³√n	276.46584756071
⁴√n	67.800222203624
⁵√n	29.173255377007

Divisors of 21131215

1, 5, 7, 35, 603749, 3018745, 4226243, 21131215

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	-21131214	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 21131215 can be divided by 8 positive divisors. The sum of these divisors (counting 21131215) is 1, the average is 0.125.

Base conversion 21131215

Base	System	Value
2	Binary	1010000100110111111001111
3	Ternary	1110202120120121
4	Quaternary	1100212333033
5	Quinary	20402144330
6	Senary	2032525411
8	Octal	120467717
10	Decimal	21131215
12	Duodecimal	70b0867
16	Hexadecimal	1426fcf
20	Vigesimal	6c180f
36	Base36	ckwy7

Cryptographic Hash Functions

md5	3cffd70eefd3a6d9ab9985bb2bd0e185
sha1	8ffa4428c5866c78ce25fbf308dec480b930170b
sha256	b50905321d4d09d4f1c1e29e123e4e77861f0ce234223d23204c1230899d4ac3
sha512	497e910df42e42f83a26d0978c46f2a1fb374d890442cde81fb4feb70c61330f09ec82562f39bf24c05b8b309e04dce1a9a115533b0e1afeb0f4b9fc01dd016d
ripemd-160	7b4f231259e5786e051a7804a8d4ea25dc2144cb

21131215 as geometric shapes

Circle

Radius = n

Diameter	42262430
Circumference	132771339.61085
Area	1.4028098615775E+15

Sphere

Radius = n

Volume	3.9524102385485E+22
Surface area	5.6112394463099E+15
Circumference	132771339.61085

Square

Length = n

Perimeter	84524860
Area	446528247376225
Diagonal	29884050.842422

Cube

Length = n

Surface area	2679169484257350
Volume	9.4356843988802E+21
Space diagonal	36600338.005662

Equilateral Triangle

Length = n

Perimeter	63393645
Area	1.9335240286758E+14
Altitude	18300169.002831

Triangular Pyramid

Length = n

Surface area	1.9335240286758E+14
Volume	1.1120060705974E+21
Height	9961350.2808073