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

21051938 (number)

21051938 is an even 8-digits composite number following 21051937 and preceding 21051939. In scientific notation, it is written as 2.1051938 × 10^7. The sum of its digits is 29. It has a total of 3 prime factors and 8 positive divisors. There are 10512180 positive integers (up to 21051938) that are relatively prime to 21051938.

Interesting facts

21051938 has 8 divisors, whose sum is 31619280
The reverse of 21051938 is 83915012
Previous prime number is 811

Basic properties

Is Prime? no
Number parity even
Number length 8
Sum of Digits 29
Digital Root 2

Name

Name	twenty-one million fifty-one thousand nine hundred thirty-eight

Notation

Scientific notation	2.1051938 × 10^7
Engineering notation	2.1051938 × 10^6

Prime Factorization of 21051938

Prime Factorization 2 × 811 × 12979

Composite number

ω	Distinct Factors	3	Total number of distinct prime factors
Ω	Total Factors	3	Total number of prime factors
rad	Radical	21051938	Product of the distinct prime numbers

The prime factorization of 21051938 is 2 × 811 × 12979. Since it has a total of 3 prime factors.

Most popular turbo-numbers

6, 9, 66, 77, 944, 939, 5011, 7893, 16726, 53107, 618989, 124187, 9765419, 415235, 27384268, 19216970, 210015523, 811533337, 4951010343, 5902859123

Basic calculations (n = 21051938)

Multiplication

n×y

n×2	42103876
n×3	63155814
n×4	84207752
n×5	105259690

Division

n÷y

n÷2	10525969
n÷3	7017312.6666667
n÷3	5262984.5
n÷5	4210387.6

Exponentiation

n^y

n²	443184093555844
n³	9.3298840601238E+21
n⁴	1.9641214078092E+29
n⁵	4.1348562101671E+36

Nth Root

^y√n

²√n	4588.2390957752
³√n	276.11967959581
⁴√n	67.736541805551
⁵√n	29.15133286397

Divisors of 21051938

1, 2, 811, 1622, 12979, 25958, 10525969, 21051938

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	-21051937	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 21051938 can be divided by 8 positive divisors. The sum of these divisors (counting 21051938) is 1, the average is 0.125.

Base conversion 21051938

Base	System	Value
2	Binary	1010000010011101000100010
3	Ternary	1110121112211102
4	Quaternary	1100103220202
5	Quinary	20342130223
6	Senary	2031114402
8	Octal	120235042
10	Decimal	21051938
12	Duodecimal	7072a02
16	Hexadecimal	1413a22
20	Vigesimal	6bb9gi
36	Base36	cj7s2

Cryptographic Hash Functions

md5	69780444deb689e4a1aa02b31b8c32db
sha1	1fc9b5ea154e4dfc2cf424b188d3a089b37c8843
sha256	8b824a9ee4ef61aa1f51f4c15b777cda80f7f4ee78f522a40bad88111095aab1
sha512	8f13de810d388e01300dd6c51c43f7653365e039756bc585e535dce7cf7aa6eaccee1151750ca7ad73e110e645bd5826abaeafe801a09dd69c1e1305016c7696
ripemd-160	b4fcf52ca1c899d7e3cab4cba1af32941d932897

21051938 as geometric shapes

Circle

Radius = n

Diameter	42103876
Circumference	132273227.52926
Area	1.3923038925029E+15

Sphere

Radius = n

Volume	3.9080926962839E+22
Surface area	5.5692155700116E+15
Circumference	132273227.52926

Square

Length = n

Perimeter	84207752
Area	443184093555844
Diagonal	29771936.233838

Cube

Length = n

Surface area	2659104561335064
Volume	9.3298840601238E+21
Space diagonal	36463026.21379

Equilateral Triangle

Length = n

Perimeter	63155814
Area	1.9190434178627E+14
Altitude	18231513.106895

Triangular Pyramid

Length = n

Surface area	1.9190434178627E+14
Volume	1.0995373810996E+21
Height	9923978.7446125