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

31397986 (number)

31397986 is an even 8-digits composite number following 31397985 and preceding 31397987. In scientific notation, it is written as 3.1397986 × 10^7. The sum of its digits is 46. It has a total of 2 prime factors and 4 positive divisors. There are 15698992 positive integers (up to 31397986) that are relatively prime to 31397986.

Interesting facts

31397986 has 4 divisors, whose sum is 47096982
The reverse of 31397986 is 68979313
Previous prime number is 2

Basic properties

Is Prime? no
Number parity even
Number length 8
Sum of Digits 46
Digital Root 1

Name

Name	thirty-one million three hundred ninety-seven thousand nine hundred eighty-six

Notation

Scientific notation	3.1397986 × 10^7
Engineering notation	3.1397986 × 10^6

Prime Factorization of 31397986

Prime Factorization 2 × 15698993

Composite number

ω	Distinct Factors	2	Total number of distinct prime factors
Ω	Total Factors	2	Total number of prime factors
rad	Radical	31397986	Product of the distinct prime numbers

The prime factorization of 31397986 is 2 × 15698993. Since it has a total of 2 prime factors.

Most popular turbo-numbers

8, 4, 38, 39, 914, 826, 77, 91, 33502, 8835, 499253, 674248, 3067429, 8419349, 22017780, 85579581, 648966970, 724249028, 7833094082, 5527627270

Basic calculations (n = 31397986)

Multiplication

n×y

n×2	62795972
n×3	94193958
n×4	125591944
n×5	156989930

Division

n÷y

n÷2	15698993
n÷3	10465995.333333
n÷3	7849496.5
n÷5	6279597.2

Exponentiation

n^y

n²	985833524856196
n³	3.0953187211765E+22
n⁴	9.7186773873039E+29
n⁵	3.0514689654509E+37

Nth Root

^y√n

²√n	5603.3905807109
³√n	315.47668149434
⁴√n	74.855798577738
⁵√n	31.577690099421

Divisors of 31397986

1, 2, 15698993, 31397986

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	-31397985	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 31397986 can be divided by 4 positive divisors. The sum of these divisors (counting 31397986) is 1, the average is 0.25.

Base conversion 31397986

Base	System	Value
2	Binary	1110111110001100001100010
3	Ternary	2012002011221101
4	Quaternary	1313301201202
5	Quinary	31014213421
6	Senary	3040545014
8	Octal	167614142
10	Decimal	31397986
12	Duodecimal	a62216a
16	Hexadecimal	1df1862
20	Vigesimal	9g4ej6
36	Base36	ioyua

Cryptographic Hash Functions

md5	704bc04c380d90b586d4f4c6a12b6826
sha1	8951f3dc00821232296dea38d5b67cd1d7e66696
sha256	dbb041f95274f90c6ac5315002c5ecada59c52695bcf67d9263f3e46cc15546d
sha512	2d987b1cb10c6f81c7b3f84dc7c86370fdb74666c00405c2e521d64e68214fe4595049ffb13ae167a8a54d358d4b8fc05af43611eb95151bbbdafcdc5ead9fc5
ripemd-160	a51493e2bfbf39bd91a46c931b164ab29340e0c5

31397986 as geometric shapes

Circle

Radius = n

Diameter	62795972
Circumference	197279364.31023
Area	3.0970873593508E+15

Sphere

Radius = n

Volume	1.2965640739956E+23
Surface area	1.2388349437403E+16
Circumference	197279364.31023

Square

Length = n

Perimeter	125591944
Area	985833524856196
Diagonal	44403457.632401

Cube

Length = n

Surface area	5915001149137176
Volume	3.0953187211765E+22
Space diagonal	54382907.007336

Equilateral Triangle

Length = n

Perimeter	94193958
Area	4.2687843821391E+14
Altitude	27191453.503668

Triangular Pyramid

Length = n

Surface area	4.2687843821391E+14
Volume	3.6478680961294E+21
Height	14801152.544134