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

20121913 (number)

20121913 is an odd 8-digits composite number following 20121912 and preceding 20121914. In scientific notation, it is written as 2.0121913 × 10^7. The sum of its digits is 19. It has a total of 2 prime factors and 4 positive divisors. There are 17247348 positive integers (up to 20121913) that are relatively prime to 20121913.

Interesting facts

20121913 has 4 divisors, whose sum is 22996480
The reverse of 20121913 is 31912102
Previous prime number is 7

Basic properties

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

Name

Name	twenty million one hundred twenty-one thousand nine hundred thirteen

Notation

Scientific notation	2.0121913 × 10^7
Engineering notation	2.0121913 × 10^6

Prime Factorization of 20121913

Prime Factorization 7 × 2874559

Composite number

ω	Distinct Factors	2	Total number of distinct prime factors
Ω	Total Factors	2	Total number of prime factors
rad	Radical	20121913	Product of the distinct prime numbers

The prime factorization of 20121913 is 7 × 2874559. Since it has a total of 2 prime factors.

Most popular turbo-numbers

6, 7, 29, 85, 809, 201, 7295, 5596, 55816, 19709, 394480, 51237, 2425859, 3670725, 49095743, 65666579, 202235210, 970088171, 4437758449, 3991568364

Basic calculations (n = 20121913)

Multiplication

n×y

n×2	40243826
n×3	60365739
n×4	80487652
n×5	100609565

Division

n÷y

n÷2	10060956.5
n÷3	6707304.3333333
n÷3	5030478.25
n÷5	4024382.6

Exponentiation

n^y

n²	404891382779569
n³	8.1471891787402E+21
n⁴	1.6393703184915E+29
n⁵	3.2987266923469E+36

Nth Root

^y√n

²√n	4485.745534468
³√n	271.99218276986
⁴√n	66.975708540246
⁵√n	28.88908943511

Divisors of 20121913

1, 7, 2874559, 20121913

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	-20121912	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 20121913 can be divided by 4 positive divisors. The sum of these divisors (counting 20121913) is 1, the average is 0.25.

Base conversion 20121913

Base	System	Value
2	Binary	1001100110000100100111001
3	Ternary	1101212022002001
4	Quaternary	1030300210321
5	Quinary	20122400123
6	Senary	1555141001
8	Octal	114604471
10	Decimal	20121913
12	Duodecimal	68a4761
16	Hexadecimal	1330939
20	Vigesimal	65f4fd
36	Base36	bza61

Cryptographic Hash Functions

md5	fb9b390d4ab4310e15591d1371b8c6e1
sha1	37dda730dc27cfc137678ef473d6919279211454
sha256	ef925c10f287c8408fa9d7fb0cc275543eebdc0b58cf6aef73fd13d1cee05c2c
sha512	e8d40d2377d6777126dd1d28082ed86ce773825e6f1a67e9b6555de1cb7ef2c67dbad75f3c96c895e95ee9077dfa0ef79720769eb76a6871ddb8d22684e01f67
ripemd-160	e2eedc7b25d8009547982566699ed45a3bc32108

20121913 as geometric shapes

Circle

Radius = n

Diameter	40243826
Circumference	126429708.11395
Area	1.2720037936421E+15

Sphere

Radius = n

Volume	3.4126866228449E+22
Surface area	5.0880151745684E+15
Circumference	126429708.11395

Square

Length = n

Perimeter	80487652
Area	404891382779569
Diagonal	28456682.265491

Cube

Length = n

Surface area	2429348296677414
Volume	8.1471891787402E+21
Space diagonal	34852175.661481

Equilateral Triangle

Length = n

Perimeter	60365739
Area	1.7532311163026E+14
Altitude	17426087.83074

Triangular Pyramid

Length = n

Surface area	1.7532311163026E+14
Volume	9.6015545264947E+20
Height	9485560.7551638