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

20121531 (number)

20121531 is an odd 8-digits composite number following 20121530 and preceding 20121532. In scientific notation, it is written as 2.0121531 × 10^7. The sum of its digits is 15. It has a total of 2 prime factors and 4 positive divisors. There are 13414352 positive integers (up to 20121531) that are relatively prime to 20121531.

Interesting facts

20121531 has 4 divisors, whose sum is 26828712
The reverse of 20121531 is 13512102
Previous prime number is 3

Basic properties

Is Prime? no
Number parity odd
Number length 8
Sum of Digits 15
Digital Root 6

Name

Name	twenty million one hundred twenty-one thousand five hundred thirty-one

Notation

Scientific notation	2.0121531 × 10^7
Engineering notation	2.0121531 × 10^6

Prime Factorization of 20121531

Prime Factorization 3 × 6707177

Composite number

ω	Distinct Factors	2	Total number of distinct prime factors
Ω	Total Factors	2	Total number of prime factors
rad	Radical	20121531	Product of the distinct prime numbers

The prime factorization of 20121531 is 3 × 6707177. Since it has a total of 2 prime factors.

Most popular turbo-numbers

10, 6, 96, 57, 495, 619, 1176, 1312, 70507, 13986, 499813, 564266, 9070311, 961904, 64746346, 24106593, 936276825, 26790132, 1707803257, 5714030125

Basic calculations (n = 20121531)

Multiplication

n×y

n×2	40243062
n×3	60364593
n×4	80486124
n×5	100607655

Division

n÷y

n÷2	10060765.5
n÷3	6707177
n÷3	5030382.75
n÷5	4024306.2

Exponentiation

n^y

n²	404876009783961
n³	8.1467251820243E+21
n⁴	1.6392458329858E+29
n⁵	3.2984135845045E+36

Nth Root

^y√n

²√n	4485.7029549447
³√n	271.99046156718
⁴√n	66.975390666608
⁵√n	28.888979746573

Divisors of 20121531

1, 3, 6707177, 20121531

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	-20121530	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 20121531 can be divided by 4 positive divisors. The sum of these divisors (counting 20121531) is 1, the average is 0.25.

Base conversion 20121531

Base	System	Value
2	Binary	1001100110000011110111011
3	Ternary	1101212021112220
4	Quaternary	1030300132323
5	Quinary	20122342111
6	Senary	1555135123
8	Octal	114603673
10	Decimal	20121531
12	Duodecimal	68a44a3
16	Hexadecimal	13307bb
20	Vigesimal	65f3gb
36	Base36	bz9vf

Cryptographic Hash Functions

md5	a68f1291235714fe1b89d0c12a2046c7
sha1	deddbd5aff4fbf13d3e6a53725b05ef7836411e4
sha256	5a01db42f970bd5fcfa907c0768bc87d6b95a05c674af2e9d9d18feca9d9006b
sha512	c4179e95f4278bb4ca0eeee04481e40d35e97e247f744dae1967bc6a471ef6db948204dfe4941f81b0f1c8f89ff54c2167798deadaf19e118376b633314d517b
ripemd-160	332c6c75883d3a7d827c4dbd679037d4cc58783f

20121531 as geometric shapes

Circle

Radius = n

Diameter	40243062
Circumference	126427307.93716
Area	1.271955497952E+15

Sphere

Radius = n

Volume	3.412492264355E+22
Surface area	5.0878219918082E+15
Circumference	126427307.93716

Square

Length = n

Perimeter	80486124
Area	404876009783961
Diagonal	28456142.035911

Cube

Length = n

Surface area	2429256058703766
Volume	8.1467251820243E+21
Space diagonal	34851514.018072

Equilateral Triangle

Length = n

Perimeter	60364593
Area	1.7531645492789E+14
Altitude	17425757.009036

Triangular Pyramid

Length = n

Surface area	1.7531645492789E+14
Volume	9.601007701121E+20
Height	9485380.6786369