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

21131481 (number)

21131481 is an odd 8-digits composite number following 21131480 and preceding 21131482. In scientific notation, it is written as 2.1131481 × 10^7. The sum of its digits is 21. It has a total of 3 prime factors and 8 positive divisors. There are 12028800 positive integers (up to 21131481) that are relatively prime to 21131481.

Interesting facts

21131481 has 8 divisors, whose sum is 22222728
The reverse of 21131481 is 18413112
Previous prime number is 281

Basic properties

Is Prime? no
Number parity odd
Number length 8
Sum of Digits 21
Digital Root 3

Name

Name	twenty-one million one hundred thirty-one thousand four hundred eighty-one

Notation

Scientific notation	2.1131481 × 10^7
Engineering notation	2.1131481 × 10^6

Prime Factorization of 21131481

Prime Factorization 21 × 281 × 3581

Composite number

ω	Distinct Factors	3	Total number of distinct prime factors
Ω	Total Factors	3	Total number of prime factors
rad	Radical	21131481	Product of the distinct prime numbers

The prime factorization of 21131481 is 21 × 281 × 3581. Since it has a total of 3 prime factors.

Most popular turbo-numbers

4, 10, 21, 7, 366, 966, 3130, 5209, 84208, 35144, 188788, 477015, 826806, 797238, 17691046, 32930025, 944675121, 194112770, 8259403916, 8473110441

Basic calculations (n = 21131481)

Multiplication

n×y

n×2	42262962
n×3	63394443
n×4	84525924
n×5	105657405

Division

n÷y

n÷2	10565740.5
n÷3	7043827
n÷3	5282870.25
n÷5	4226296.2

Exponentiation

n^y

n²	446539489253361
n³	9.4360407329071E+21
n⁴	1.9939751546265E+29
n⁵	4.2135648094462E+36

Nth Root

^y√n

²√n	4596.8990634992
³√n	276.4670076077
⁴√n	67.800435570129
⁵√n	29.173328823299

Divisors of 21131481

1, 21, 281, 3581, 5901, 75201, 1006261, 21131481

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	-21131480	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 21131481 can be divided by 8 positive divisors. The sum of these divisors (counting 21131481) is 1, the average is 0.125.

Base conversion 21131481

Base	System	Value
2	Binary	1010000100111000011011001
3	Ternary	1110202120221110
4	Quaternary	1100213003121
5	Quinary	20402201411
6	Senary	2032530533
8	Octal	120470331
10	Decimal	21131481
12	Duodecimal	70b0a49
16	Hexadecimal	14270d9
20	Vigesimal	6c18e1
36	Base36	ckx5l

Cryptographic Hash Functions

md5	84a55e7920048d9edba7c9c447aa9d67
sha1	b2f2587beb210e221e50bfe52eec8f19f30f25b8
sha256	e5b24ff8f53b73cffcbe33509b4a74c08a9cf1f33c7454a6051ae7a2539cde0e
sha512	e964199c2d4d4ad85f2d14e34711eb04d4a24f04a03c07e841dd951bbcaec9a8dc12fbf12820f16baf5c5f87dbbe23d22c8dfded1be2bc4a89dfeea139545994
ripemd-160	f7fb741a127778f029657906ab98e6bf333cc497

21131481 as geometric shapes

Circle

Radius = n

Diameter	42262962
Circumference	132773010.93814
Area	1.4028451789761E+15

Sphere

Radius = n

Volume	3.9525594993967E+22
Surface area	5.6113807159044E+15
Circumference	132773010.93814

Square

Length = n

Perimeter	84525924
Area	446539489253361
Diagonal	29884427.023229

Cube

Length = n

Surface area	2679236935520166
Volume	9.4360407329071E+21
Space diagonal	36600798.731176

Equilateral Triangle

Length = n

Perimeter	63394443
Area	1.9335727074317E+14
Altitude	18300399.365588

Triangular Pyramid

Length = n

Surface area	1.9335727074317E+14
Volume	1.1120480649652E+21
Height	9961475.6744098