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

20138531 (number)

20138531 is an odd 8-digits composite number following 20138530 and preceding 20138532. In scientific notation, it is written as 2.0138531 × 10^7. The sum of its digits is 23. It has a total of 2 prime factors and 4 positive divisors. There are 17261592 positive integers (up to 20138531) that are relatively prime to 20138531.

Interesting facts

20138531 has 4 divisors, whose sum is 23015472
The reverse of 20138531 is 13583102
Previous prime number is 7

Basic properties

Is Prime? no
Number parity odd
Number length 8
Sum of Digits 23
Digital Root 5

Name

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

Notation

Scientific notation	2.0138531 × 10^7
Engineering notation	2.0138531 × 10^6

Prime Factorization of 20138531

Prime Factorization 7 × 2876933

Composite number

ω	Distinct Factors	2	Total number of distinct prime factors
Ω	Total Factors	2	Total number of prime factors
rad	Radical	20138531	Product of the distinct prime numbers

The prime factorization of 20138531 is 7 × 2876933. Since it has a total of 2 prime factors.

Most popular turbo-numbers

7, 1, 99, 59, 340, 646, 7682, 7188, 99591, 77358, 215991, 650379, 6164811, 5844261, 99617639, 35389958, 444186571, 898329431, 4592386230, 227899662

Basic calculations (n = 20138531)

Multiplication

n×y

n×2	40277062
n×3	60415593
n×4	80554124
n×5	100692655

Division

n÷y

n÷2	10069265.5
n÷3	6712843.6666667
n÷3	5034632.75
n÷5	4027706.2

Exponentiation

n^y

n²	405560430837961
n³	8.1673913088036E+21
n⁴	1.6447926306147E+29
n⁵	3.3123707380206E+36

Nth Root

^y√n

²√n	4487.5974641226
³√n	272.06703851491
⁴√n	66.989532496672
⁵√n	28.893859561832

Divisors of 20138531

1, 7, 2876933, 20138531

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	-20138530	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 20138531 can be divided by 4 positive divisors. The sum of these divisors (counting 20138531) is 1, the average is 0.25.

Base conversion 20138531

Base	System	Value
2	Binary	1001100110100101000100011
3	Ternary	1101220010212112
4	Quaternary	1030310220203
5	Quinary	20123413111
6	Senary	1555345535
8	Octal	114645043
10	Decimal	20138531
12	Duodecimal	68b22ab
16	Hexadecimal	1334a23
20	Vigesimal	65h66b
36	Base36	bzmzn

Cryptographic Hash Functions

md5	9b7cf935db0bcbd83f434a73f961c05e
sha1	e716db8e7109a0b093dd58ce83a4b010807082c0
sha256	e1a99e3004004f9e7d341ec586dd75c72cea5beb7320faa3cf0ca85e0bf938c9
sha512	61532ce648ebe7dc67c9455dbc21abee28b1110d5ac1c0dbaff8c8b3096dc97cfbdf7abf7582822f04abbe24af4ec82da20b0f0fbd0eb6366016dc567f6c48ad
ripemd-160	f976f26f7bedc5db5802c4767f988ec53fffdbc1

20138531 as geometric shapes

Circle

Radius = n

Diameter	40277062
Circumference	126534122.08738
Area	1.2741056701072E+15

Sphere

Radius = n

Volume	3.4211488712974E+22
Surface area	5.096422680429E+15
Circumference	126534122.08738

Square

Length = n

Perimeter	80554124
Area	405560430837961
Diagonal	28480183.666471

Cube

Length = n

Surface area	2433362585027766
Volume	8.1673913088036E+21
Space diagonal	34880958.881801

Equilateral Triangle

Length = n

Perimeter	60415593
Area	1.7561281793772E+14
Altitude	17440479.4409

Triangular Pyramid

Length = n

Surface area	1.7561281793772E+14
Volume	9.6253629650985E+20
Height	9493394.5554903