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

31688081 (number)

31688081 is an odd 8-digits composite number following 31688080 and preceding 31688082. In scientific notation, it is written as 3.1688081 × 10^7. The sum of its digits is 35. It has a total of 3 prime factors and 8 positive divisors. There are 31104640 positive integers (up to 31688081) that are relatively prime to 31688081.

Interesting facts

31688081 has 8 divisors, whose sum is 32275584
The reverse of 31688081 is 18088613
Previous prime number is 263

Basic properties

Is Prime? no
Number parity odd
Number length 8
Sum of Digits 35
Digital Root 8

Name

Name	thirty-one million six hundred eighty-eight thousand eighty-one

Notation

Scientific notation	3.1688081 × 10^7
Engineering notation	3.1688081 × 10^6

Prime Factorization of 31688081

Prime Factorization 71 × 263 × 1697

Composite number

ω	Distinct Factors	3	Total number of distinct prime factors
Ω	Total Factors	3	Total number of prime factors
rad	Radical	31688081	Product of the distinct prime numbers

The prime factorization of 31688081 is 71 × 263 × 1697. Since it has a total of 3 prime factors.

Most popular turbo-numbers

5, 9, 76, 70, 800, 396, 750, 163, 55449, 4881, 418293, 630016, 4558414, 5164447, 61739227, 13850845, 272242784, 101650081, 746217423, 130830228

Basic calculations (n = 31688081)

Multiplication

n×y

n×2	63376162
n×3	95064243
n×4	126752324
n×5	158440405

Division

n÷y

n÷2	15844040.5
n÷3	10562693.666667
n÷3	7922020.25
n÷5	6337616.2

Exponentiation

n^y

n²	1004134477462561
n³	3.1819094656726E+22
n⁴	1.008286048829E+30
n⁵	3.1950649986464E+37

Nth Root

^y√n

²√n	5629.2167305941
³√n	316.4452976712
⁴√n	75.028106270877
⁵√n	31.635826705853

Divisors of 31688081

1, 71, 263, 1697, 18673, 120487, 446311, 31688081

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	-31688080	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 31688081 can be divided by 8 positive divisors. The sum of these divisors (counting 31688081) is 1, the average is 0.125.

Base conversion 31688081

Base	System	Value
2	Binary	1111000111000010110010001
3	Ternary	2012121220212122
4	Quaternary	1320320112101
5	Quinary	31103004311
6	Senary	3051104025
8	Octal	170702621
10	Decimal	31688081
12	Duodecimal	a742015
16	Hexadecimal	1e38591
20	Vigesimal	9i1041
36	Base36	iv6oh

Cryptographic Hash Functions

md5	f4f78b8142780b8c0f8f0bcfcfb4c747
sha1	d926abc52f190ab6322e1acb9939e9801d77be4a
sha256	1b56f5fa4944afbc77e01a805fcb554ba4f0e14c2aa30aa7f335078e708edb68
sha512	a409e8af63c62be446d0074e23c6008fce2369535ed3802c5c47b027adaa71fb266b497aecddd9d60b7340974af7e262435e98a1076eaa45f409c0375737bcc2
ripemd-160	646b4e8cac19cc6ec47d122f90d507c726150c52

31688081 as geometric shapes

Circle

Radius = n

Diameter	63376162
Circumference	199102084.95192
Area	3.1545814976126E+15

Sphere

Radius = n

Volume	1.3328351202327E+23
Surface area	1.261832599045E+16
Circumference	199102084.95192

Square

Length = n

Perimeter	126752324
Area	1004134477462561
Diagonal	44813713.915777

Cube

Length = n

Surface area	6024806864775366
Volume	3.1819094656726E+22
Space diagonal	54885366.286358

Equilateral Triangle

Length = n

Perimeter	95064243
Area	4.348029831492E+14
Altitude	27442683.143179

Triangular Pyramid

Length = n

Surface area	4.348029831492E+14
Volume	3.7499162671646E+21
Height	14937904.638592