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

31440981 (number)

31440981 is an odd 8-digits composite number following 31440980 and preceding 31440982. In scientific notation, it is written as 3.1440981 × 10^7. The sum of its digits is 30. It has a total of 3 prime factors and 8 positive divisors. There are 17357760 positive integers (up to 31440981) that are relatively prime to 31440981.

Interesting facts

31440981 has 8 divisors, whose sum is 31930080
The reverse of 31440981 is 18904413
Previous prime number is 83

Basic properties

Is Prime? no
Number parity odd
Number length 8
Sum of Digits 30
Digital Root 3

Name

Name	thirty-one million four hundred forty thousand nine hundred eighty-one

Notation

Scientific notation	3.1440981 × 10^7
Engineering notation	3.1440981 × 10^6

Prime Factorization of 31440981

Prime Factorization 429 × 83 × 883

Composite number

ω	Distinct Factors	3	Total number of distinct prime factors
Ω	Total Factors	3	Total number of prime factors
rad	Radical	31440981	Product of the distinct prime numbers

The prime factorization of 31440981 is 429 × 83 × 883. Since it has a total of 3 prime factors.

Most popular turbo-numbers

7, 1, 96, 73, 854, 846, 3332, 6852, 20009, 22484, 240779, 617641, 1532423, 8267774, 28665132, 27202288, 962050521, 351063701, 7129274144, 6955318672

Basic calculations (n = 31440981)

Multiplication

n×y

n×2	62881962
n×3	94322943
n×4	125763924
n×5	157204905

Division

n÷y

n÷2	15720490.5
n÷3	10480327
n÷3	7860245.25
n÷5	6288196.2

Exponentiation

n^y

n²	988535286242361
n³	3.1080519152576E+22
n⁴	9.7720201214627E+29
n⁵	3.0724189897053E+37

Nth Root

^y√n

²√n	5607.2257846461
³√n	315.62061570879
⁴√n	74.881411476054
⁵√n	31.586333582071

Divisors of 31440981

1, 83, 429, 883, 35607, 73289, 378807, 31440981

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	-31440980	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 31440981 can be divided by 8 positive divisors. The sum of these divisors (counting 31440981) is 1, the average is 0.125.

Base conversion 31440981

Base	System	Value
2	Binary	1110111111100000001010101
3	Ternary	2012011100220210
4	Quaternary	1313330001111
5	Quinary	31022102411
6	Senary	3041520033
8	Octal	167740125
10	Decimal	31440981
12	Duodecimal	a643019
16	Hexadecimal	1dfc055
20	Vigesimal	9ga291
36	Base36	ipw0l

Cryptographic Hash Functions

md5	9c9e660430c2909ba7af517c1eda2cfa
sha1	d39819b07f3c5a155b6b2e26790d4911eb423ef5
sha256	6fbe1cf419553e2a34e3a49b56143e24f3f7e71ac45661e8da0c011faaccc075
sha512	f07657a51dfa712d43bd450ad5acea764ab7a373e7c5e17d584ca24bda0b6e04d30540ab4ce49e968ac0162cb24196f46083dbd238234330b69ab327c93fabe4
ripemd-160	3ef40a2de419959a3fd43fdd38151a427399c4c3

31440981 as geometric shapes

Circle

Radius = n

Diameter	62881962
Circumference	197549509.86251
Area	3.1055751930733E+15

Sphere

Radius = n

Volume	1.3018977418598E+23
Surface area	1.2422300772293E+16
Circumference	197549509.86251

Square

Length = n

Perimeter	125763924
Area	988535286242361
Diagonal	44464261.744515

Cube

Length = n

Surface area	5931211717454166
Volume	3.1080519152576E+22
Space diagonal	54457376.531808

Equilateral Triangle

Length = n

Perimeter	94322943
Area	4.280483352116E+14
Altitude	27228688.265904

Triangular Pyramid

Length = n

Surface area	4.280483352116E+14
Volume	3.6628743092641E+21
Height	14821420.581505