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

21131381 (number)

21131381 is an odd 8-digits composite number following 21131380 and preceding 21131382. In scientific notation, it is written as 2.1131381 × 10^7. The sum of its digits is 20. It has a total of 2 prime factors and 4 positive divisors. There are 20773164 positive integers (up to 21131381) that are relatively prime to 21131381.

Interesting facts

21131381 has 4 divisors, whose sum is 21489600
The reverse of 21131381 is 18313112
Previous prime number is 59

Basic properties

Is Prime? no
Number parity odd
Number length 8
Sum of Digits 20
Digital Root 2

Name

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

Notation

Scientific notation	2.1131381 × 10^7
Engineering notation	2.1131381 × 10^6

Prime Factorization of 21131381

Prime Factorization 59 × 358159

Composite number

ω	Distinct Factors	2	Total number of distinct prime factors
Ω	Total Factors	2	Total number of prime factors
rad	Radical	21131381	Product of the distinct prime numbers

The prime factorization of 21131381 is 59 × 358159. Since it has a total of 2 prime factors.

Most popular turbo-numbers

1, 5, 6, 40, 740, 709, 2146, 7977, 5345, 22307, 126298, 991115, 2517453, 7827885, 65700084, 32012995, 352852279, 180283575, 3341814457, 6638930339

Basic calculations (n = 21131381)

Multiplication

n×y

n×2	42262762
n×3	63394143
n×4	84525524
n×5	105656905

Division

n÷y

n÷2	10565690.5
n÷3	7043793.6666667
n÷3	5282845.25
n÷5	4226276.2

Exponentiation

n^y

n²	446535262967161
n³	9.4359067716943E+21
n⁴	1.9939374107315E+29
n⁵	4.2134651116321E+36

Nth Root

^y√n

²√n	4596.8881865888
³√n	276.46657150095
⁴√n	67.800355357393
⁵√n	29.173301211998

Divisors of 21131381

1, 59, 358159, 21131381

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	-21131380	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 21131381 can be divided by 4 positive divisors. The sum of these divisors (counting 21131381) is 1, the average is 0.25.

Base conversion 21131381

Base	System	Value
2	Binary	1010000100111000001110101
3	Ternary	1110202120210202
4	Quaternary	1100213001311
5	Quinary	20402201011
6	Senary	2032530245
8	Octal	120470165
10	Decimal	21131381
12	Duodecimal	70b0985
16	Hexadecimal	1427075
20	Vigesimal	6c1891
36	Base36	ckx2t

Cryptographic Hash Functions

md5	80e0c4f1bb1398dbb49dd9f7fd6fe0c8
sha1	7f99cca926d588ac98069807620ef20ecaea251a
sha256	04d901c253339cc5c4d937467b7e5e3acd1350b31cd33e5370b7d4ae82d4ed64
sha512	765ffec3100ae464f4be5a3cb0c73a4f2d24210a4db949b6f48ca573105b84f25ac0497a26bcd1224f480c2a239ce722527c5ee0324cb1df6838ad4aea7fc717
ripemd-160	f72f83e93630285c2179e02b03bd2ae50d0c7427

21131381 as geometric shapes

Circle

Radius = n

Diameter	42262762
Circumference	132772382.61961
Area	1.4028319017064E+15

Sphere

Radius = n

Volume	3.9525033858551E+22
Surface area	5.6113276068257E+15
Circumference	132772382.61961

Square

Length = n

Perimeter	84525524
Area	446535262967161
Diagonal	29884285.601873

Cube

Length = n

Surface area	2679211577802966
Volume	9.4359067716943E+21
Space diagonal	36600625.526096

Equilateral Triangle

Length = n

Perimeter	63394143
Area	1.9335544070756E+14
Altitude	18300312.763048

Triangular Pyramid

Length = n

Surface area	1.9335544070756E+14
Volume	1.1120322774848E+21
Height	9961428.5339577