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

31492981 (number)

31492981 is an odd 8-digits composite number following 31492980 and preceding 31492982. In scientific notation, it is written as 3.1492981 × 10^7. The sum of its digits is 37. It has a total of 4 prime factors and 12 positive divisors. There are 28928016 positive integers (up to 31492981) that are relatively prime to 31492981.

Interesting facts

31492981 has 12 divisors, whose sum is 34269312
The reverse of 31492981 is 18929413
Previous prime number is 307

Basic properties

Is Prime? no
Number parity odd
Number length 8
Sum of Digits 37
Digital Root 1

Name

Name	thirty-one million four hundred ninety-two thousand nine hundred eighty-one

Notation

Scientific notation	3.1492981 × 10^7
Engineering notation	3.1492981 × 10^6

Prime Factorization of 31492981

Prime Factorization 13 × 13 × 307 × 607

Composite number

ω	Distinct Factors	3	Total number of distinct prime factors
Ω	Total Factors	4	Total number of prime factors
rad	Radical	2422537	Product of the distinct prime numbers

The prime factorization of 31492981 is 13 × 13 × 307 × 607. Since it has a total of 4 prime factors.

Most popular turbo-numbers

5, 6, 38, 9, 66, 784, 2160, 3455, 329, 24298, 483273, 689939, 1306854, 3152580, 87810892, 2512621, 414328355, 30579748, 7467302850, 7955023874

Basic calculations (n = 31492981)

Multiplication

n×y

n×2	62985962
n×3	94478943
n×4	125971924
n×5	157464905

Division

n÷y

n÷2	15746490.5
n÷3	10497660.333333
n÷3	7873245.25
n÷5	6298596.2

Exponentiation

n^y

n²	991807852266361
n³	3.1234985847075E+22
n⁴	9.8368281581721E+29
n⁵	3.0979104228558E+37

Nth Root

^y√n

²√n	5611.8607431047
³√n	315.79452071807
⁴√n	74.912353741587
⁵√n	31.596774756429

Divisors of 31492981

1, 13, 169, 307, 607, 3991, 7891, 51883, 102583, 186349, 2422537, 31492981

12 divisors

τ	Total Divisors	12	Total number of the positive divisors of n
σ	Sum of Divisors	1	Sum of all the positive divisors of n
s	Aliquot Sum	-31492980	Sum of the proper positive divisors of n
A	Arithmetic Mean	0.083333333333333	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	12	Returns the total number of divisors (τ(n)) divided by the sum of the reciprocal of each divisors

The number 31492981 can be divided by 12 positive divisors. The sum of these divisors (counting 31492981) is 1, the average is 0.083333333333333.

Base conversion 31492981

Base	System	Value
2	Binary	1111000001000101101110101
3	Ternary	2012021000020201
4	Quaternary	1320020231311
5	Quinary	31030233411
6	Senary	3043000501
8	Octal	170105565
10	Decimal	31492981
12	Duodecimal	a669131
16	Hexadecimal	1e08b75
20	Vigesimal	9ggc91
36	Base36	ir051

Cryptographic Hash Functions

md5	213599976fffaa1b009b00b51a947f11
sha1	fb38d45569edfef3c68542984a9a4b12b5b727a5
sha256	fefb8061d7254036e16462b8b5d1ebeb0a1ffcc9d39e048bac470414e2e90ae0
sha512	5d4b1d0bb6feb51c60c0799a47a074c2a0e114bab404fc57ece674729ea10fd0345f0b7a7c39e961a4438034a654cd3973427ceb8b9676647055d6ef24dffadf
ripemd-160	fa06bfa73ae0876d8f3f3f0b6f4cbc268726103f

31492981 as geometric shapes

Circle

Radius = n

Diameter	62985962
Circumference	197876235.49849
Area	3.1158562624527E+15

Sphere

Radius = n

Volume	1.3083680276287E+23
Surface area	1.2463425049811E+16
Circumference	197876235.49849

Square

Length = n

Perimeter	125971924
Area	991807852266361
Diagonal	44537800.849758

Cube

Length = n

Surface area	5950847113598166
Volume	3.1234985847075E+22
Space diagonal	54547443.173801

Equilateral Triangle

Length = n

Perimeter	94478943
Area	4.2946539786778E+14
Altitude	27273721.586901

Triangular Pyramid

Length = n

Surface area	4.2946539786778E+14
Volume	3.6810783837888E+21
Height	14845933.616586