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

21307951 (number)

21307951 is an odd 8-digits composite number following 21307950 and preceding 21307952. In scientific notation, it is written as 2.1307951 × 10^7. The sum of its digits is 28. It has a total of 2 prime factors and 4 positive divisors. There are 18263952 positive integers (up to 21307951) that are relatively prime to 21307951.

Interesting facts

21307951 has 4 divisors, whose sum is 24351952
The reverse of 21307951 is 15970312
Previous prime number is 7

Basic properties

Is Prime? no
Number parity odd
Number length 8
Sum of Digits 28
Digital Root 1

Name

Name	twenty-one million three hundred seven thousand nine hundred fifty-one

Notation

Scientific notation	2.1307951 × 10^7
Engineering notation	2.1307951 × 10^6

Prime Factorization of 21307951

Prime Factorization 7 × 3043993

Composite number

ω	Distinct Factors	2	Total number of distinct prime factors
Ω	Total Factors	2	Total number of prime factors
rad	Radical	21307951	Product of the distinct prime numbers

The prime factorization of 21307951 is 7 × 3043993. Since it has a total of 2 prime factors.

Most popular turbo-numbers

5, 7, 85, 92, 485, 111, 3865, 6895, 96946, 18838, 362308, 733634, 2195846, 7125015, 48474975, 81237034, 938229425, 173044452, 8735360120, 3904269445

Basic calculations (n = 21307951)

Multiplication

n×y

n×2	42615902
n×3	63923853
n×4	85231804
n×5	106539755

Division

n÷y

n÷2	10653975.5
n÷3	7102650.3333333
n÷3	5326987.75
n÷5	4261590.2

Exponentiation

n^y

n²	454028775818401
n³	9.6744229077285E+21
n⁴	2.0614212927116E+29
n⁵	4.3924663895455E+36

Nth Root

^y√n

²√n	4616.0536175396
³√n	277.23447154401
⁴√n	67.941545592808
⁵√n	29.221892440802

Divisors of 21307951

1, 7, 3043993, 21307951

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	-21307950	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 21307951 can be divided by 4 positive divisors. The sum of these divisors (counting 21307951) is 1, the average is 0.25.

Base conversion 21307951

Base	System	Value
2	Binary	1010001010010001000101111
3	Ternary	1111002120000101
4	Quaternary	1101102020233
5	Quinary	20423323301
6	Senary	2040411531
8	Octal	121221057
10	Decimal	21307951
12	Duodecimal	7176ba7
16	Hexadecimal	145222f
20	Vigesimal	6d39hb
36	Base36	copbj

Cryptographic Hash Functions

md5	14ffc53d394d32c34ab6580a62b1d8d4
sha1	c65c67312847111ddeaadb7a7ef3f64f4071ca02
sha256	8c3f07216a467c8a88a3a9df21398748eff3725de861a66922d49f428e694ec5
sha512	2642bdf285452ca0dd51b8b6e50426497e965707ccc3224f0f4c2f40947919f5671c78b171622e0337dbdca31874ffd12d6b304d37d67bdb4342f875ce7303f9
ripemd-160	c641bc9ebbd7529849679f5eddcabb8eb95a8baf

21307951 as geometric shapes

Circle

Radius = n

Diameter	42615902
Circumference	133881804.6493
Area	1.4263734666295E+15

Sphere

Radius = n

Volume	4.0524127912854E+22
Surface area	5.7054938665178E+15
Circumference	133881804.6493

Square

Length = n

Perimeter	85231804
Area	454028775818401
Diagonal	30133993.290581

Cube

Length = n

Surface area	2724172654910406
Volume	9.6744229077285E+21
Space diagonal	36906453.737188

Equilateral Triangle

Length = n

Perimeter	63923853
Area	1.9660022695394E+14
Altitude	18453226.868594

Triangular Pyramid

Length = n

Surface area	1.9660022695394E+14
Volume	1.1401416736869E+21
Height	10044664.430194