31290 (number)

31290 is an even 5-digits composite number following 31289 and preceding 31291. In scientific notation, it is written as 3.1290 × 10^4. The sum of its digits is 15. It has a total of 4 prime factors and 16 positive divisors. There are 7104 positive integers (up to 31290) that are relatively prime to 31290.

Interesting facts

Basic properties

Name

Name thirty-one thousand two hundred ninety

Notation

Scientific notation 3.1290 × 10^4
Engineering notation 3.1290 × 10^3

Prime Factorization of 31290

Prime Factorization 2 × 15 × 7 × 149

Composite number
ω Distinct Factors 4
Total number of distinct prime factors
Ω Total Factors 4
Total number of prime factors
rad Radical 31290
Product of the distinct prime numbers

The prime factorization of 31290 is 2 × 15 × 7 × 149. Since it has a total of 4 prime factors.

Most popular turbo-numbers

1, 6, 62, 82, 702, 757, 4977, 1394, 37973, 48532, 174684, 981866, 4067369, 5145495, 7350194, 82517475, 742819511, 820251176, 6848995097, 8326532289

Basic calculations (n = 31290)

Multiplication

n×y
n×2 62580
n×3 93870
n×4 125160
n×5 156450

Division

n÷y
n÷2 15645
n÷3 10430
n÷3 7822.5
n÷5 6258

Exponentiation

ny
n2 979064100
n3 30634915689000
n4 958566511908810000
n5 2.9993546157627E+22

Nth Root

y√n
2√n 176.88979620091
3√n 31.511459675271
4√n 13.299992338378
5√n 7.9264935877133

Divisors of 31290

1, 2, 7, 14, 15, 30, 105, 149, 210, 298, 1043, 2086, 2235, 4470, 15645, 31290

16 divisors

τ Total Divisors 16
Total number of the positive divisors of n
σ Sum of Divisors 1
Sum of all the positive divisors of n
s Aliquot Sum -31289
Sum of the proper positive divisors of n
A Arithmetic Mean 0.0625
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 16
Returns the total number of divisors (τ(n)) divided by the sum of the reciprocal of each divisors

The number 31290 can be divided by 16 positive divisors. The sum of these divisors (counting 31290) is 1, the average is 0.0625.

Base conversion 31290

Base System Value
2 Binary 111101000111010
3 Ternary 1120220220
4 Quaternary 13220322
5 Quinary 2000130
6 Senary 400510
8 Octal 75072
10 Decimal 31290
12 Duodecimal 16136
16 Hexadecimal 7a3a
20 Vigesimal 3i4a
36 Base36 o56

Cryptographic Hash Functions

md5 da6227556cac5e27703ef56a6015cb50
sha1 6eae9ee5f2a043ddef297ebde29d7d2a8ea0992b
sha256 c59461fa850dc5039c95ce0b11df15a075ea327ded8cadb77b633fdb64115e00
sha512 53c0f8f0dfaf37756e26676290919c830bda560e16cec8d6b9b3d3ec9f29de0d79e1f367934984dac9eb078a0339ec6d8e9005db010e9de1a2d62fb84ec3badb
ripemd-160 67ae001b0b5690cc61a412ba834ee5b749a1a83f

31290 as geometric shapes

Circle

Radius = n
Diameter 62580
Circumference 196600.86826165
Area 3075820583.9535

Sphere

Radius = n
Volume 1.2832323476254E+14
Surface area 12303282335.814
Circumference 196600.86826165

Square

Length = n
Perimeter 125160
Area 979064100
Diagonal 44250.742366654

Cube

Length = n
Surface area 5874384600
Volume 30634915689000
Space diagonal 54195.86976883

Equilateral Triangle

Length = n
Perimeter 93870
Area 423947191.26667
Altitude 27097.934884415

Triangular Pyramid

Length = n
Surface area 423947191.26667
Volume 3610359437461.7
Height 14750.247455551