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

21031390 (number)

21031390 is an even 8-digits composite number following 21031389 and preceding 21031391. In scientific notation, it is written as 2.1031390 × 10^7. The sum of its digits is 19. It has a total of 3 prime factors and 8 positive divisors. There are 8412552 positive integers (up to 21031390) that are relatively prime to 21031390.

Interesting facts

21031390 has 8 divisors, whose sum is 37856520
The reverse of 21031390 is 09313012
Previous prime number is 5

Basic properties

Is Prime? no
Number parity even
Number length 8
Sum of Digits 19
Digital Root 1

Name

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

Notation

Scientific notation	2.1031390 × 10^7
Engineering notation	2.1031390 × 10^6

Prime Factorization of 21031390

Prime Factorization 2 × 5 × 2103139

Composite number

ω	Distinct Factors	3	Total number of distinct prime factors
Ω	Total Factors	3	Total number of prime factors
rad	Radical	21031390	Product of the distinct prime numbers

The prime factorization of 21031390 is 2 × 5 × 2103139. Since it has a total of 3 prime factors.

Most popular turbo-numbers

5, 4, 48, 75, 369, 322, 7108, 5785, 90529, 83544, 148170, 802322, 1409689, 4930696, 75878631, 75819097, 283601301, 620231103, 4333786289, 9810632047

Basic calculations (n = 21031390)

Multiplication

n×y

n×2	42062780
n×3	63094170
n×4	84125560
n×5	105156950

Division

n÷y

n÷2	10515695
n÷3	7010463.3333333
n÷3	5257847.5
n÷5	4206278

Exponentiation

n^y

n²	442319365332100
n³	9.3025910768519E+21
n⁴	1.9564642094779E+29
n⁵	4.1147161810572E+36

Nth Root

^y√n

²√n	4585.9993458351
³√n	276.0298136946
⁴√n	67.720006983425
⁵√n	29.145639938313

Divisors of 21031390

1, 2, 5, 10, 2103139, 4206278, 10515695, 21031390

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	-21031389	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 21031390 can be divided by 8 positive divisors. The sum of these divisors (counting 21031390) is 1, the average is 0.125.

Base conversion 21031390

Base	System	Value
2	Binary	1010000001110100111011110
3	Ternary	1110120111122101
4	Quaternary	1100032213132
5	Quinary	20341001030
6	Senary	2030435314
8	Octal	120164736
10	Decimal	21031390
12	Duodecimal	7062b3a
16	Hexadecimal	140e9de
20	Vigesimal	6b8i9a
36	Base36	cirxa

Cryptographic Hash Functions

md5	5ce6f37198c7deab1c57ee5ec9e125ed
sha1	314a1cf30da677b5a964f67767db1dc22b6fa695
sha256	7de7f330855dc08a7655ebc4ee146d41ee3e5bbd0993f149a402b011fb97a118
sha512	39dc6a981347db582c3ea5ffceb45ed3b84cc08cb8bd7deb1d48bbd19b9b8210be891fadef7514d215bcecb8d696786d24944e730f24bd852fc61019f0995456
ripemd-160	a77a68a2bf0bc15e1f5f9e06dac099f64e215405

21031390 as geometric shapes

Circle

Radius = n

Diameter	42062780
Circumference	132144120.63756
Area	1.3895872686678E+15

Sphere

Radius = n

Volume	3.896660238185E+22
Surface area	5.5583490746713E+15
Circumference	132144120.63756

Square

Length = n

Perimeter	84125560
Area	442319365332100
Diagonal	29742876.973558

Cube

Length = n

Surface area	2653916191992600
Volume	9.3025910768519E+21
Space diagonal	36427436.033796

Equilateral Triangle

Length = n

Perimeter	63094170
Area	1.915299034817E+14
Altitude	18213718.016898

Triangular Pyramid

Length = n

Surface area	1.915299034817E+14
Volume	1.0963208721746E+21
Height	9914292.3245193