31185280 (number)

31185280 is an even 8-digits composite number following 31185279 and preceding 31185281. In scientific notation, it is written as 3.1185280 × 10^7. The sum of its digits is 28. It has a total of 10 prime factors and 64 positive divisors. There are 10690560 positive integers (up to 31185280) that are relatively prime to 31185280.

Interesting facts

Basic properties

Name

Name thirty-one million one hundred eighty-five thousand two hundred eighty

Notation

Scientific notation 3.1185280 × 10^7
Engineering notation 3.1185280 × 10^6

Prime Factorization of 31185280

Prime Factorization 2 × 2 × 2 × 2 × 2 × 2 × 2 × 5 × 7 × 6961

Composite number
ω Distinct Factors 4
Total number of distinct prime factors
Ω Total Factors 10
Total number of prime factors
rad Radical 487270
Product of the distinct prime numbers

The prime factorization of 31185280 is 2 × 2 × 2 × 2 × 2 × 2 × 2 × 5 × 7 × 6961. Since it has a total of 10 prime factors.

Most popular turbo-numbers

5, 5, 51, 46, 753, 934, 5388, 6485, 52560, 11661, 369678, 963413, 2034401, 8445309, 90856278, 39898790, 768482434, 75449080, 4562638561, 2357719569

Basic calculations (n = 31185280)

Multiplication

n×y
n×2 62370560
n×3 93555840
n×4 124741120
n×5 155926400

Division

n÷y
n÷2 15592640
n÷3 10395093.333333
n÷3 7796320
n÷5 6237056

Exponentiation

ny
n2 972521688678400
n3 3.0328361167509E+22
n4 9.4579843494989E+29
n5 2.9494989017474E+37

Nth Root

y√n
2√n 5584.3782106874
3√n 314.76266661367
4√n 74.728697370471
5√n 31.534789006325

Divisors of 31185280

1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 32, 35, 40, 56, 64, 70, 80, 112, 128, 140, 160, 224, 280, 320, 448, 560, 640, 896, 1120, 2240, 4480, 6961, 13922, 27844, 34805, 48727, 55688, 69610, 97454, 111376, 139220, 194908, 222752, 243635, 278440, 389816, 445504, 487270, 556880, 779632, 891008, 974540, 1113760, 1559264, 1949080, 2227520, 3118528, 3898160, 4455040, 6237056, 7796320, 15592640, 31185280

64 divisors

τ Total Divisors 64
Total number of the positive divisors of n
σ Sum of Divisors 1
Sum of all the positive divisors of n
s Aliquot Sum -31185279
Sum of the proper positive divisors of n
A Arithmetic Mean 0.015625
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 64
Returns the total number of divisors (τ(n)) divided by the sum of the reciprocal of each divisors

The number 31185280 can be divided by 64 positive divisors. The sum of these divisors (counting 31185280) is 1, the average is 0.015625.

Base conversion 31185280

Base System Value
2 Binary 1110110111101100110000000
3 Ternary 2011200101011101
4 Quaternary 1312331212000
5 Quinary 30440412110
6 Senary 3032224144
8 Octal 166754600
10 Decimal 31185280
12 Duodecimal a53b054
16 Hexadecimal 1dbd980
20 Vigesimal 9ei340
36 Base36 ikeps

Cryptographic Hash Functions

md5 90f3bb6c00e46ae02741f3d7b150de4c
sha1 c809c21758a4d8baf9964d9447d91b4f9b73b84f
sha256 4739dd28ba49c594af045087024379f47155d8081bfbeabcfe05d0ffad190ad1
sha512 2772cec18afb02dcfd5d39fc40d1eedf05ef7d9c11227a6bf86b1781cec339e1cbfac49ab7282ba1bb733bd2a9fb2a3d00c59bc19ec69ac67e011d35ee885ad6
ripemd-160 7a8021cda7e48d3ec6e981fd3a6cd44c5b74d2aa

31185280 as geometric shapes

Circle

Radius = n
Diameter 62370560
Circumference 195942893.09628
Area 3.0552669926088E+15

Sphere

Radius = n
Volume 1.2703914218568E+23
Surface area 1.2221067970435E+16
Circumference 195942893.09628

Square

Length = n
Perimeter 124741120
Area 972521688678400
Diagonal 44102645.922402

Cube

Length = n
Surface area 5835130132070400
Volume 3.0328361167509E+22
Space diagonal 54014489.408262

Equilateral Triangle

Length = n
Perimeter 93555840
Area 4.2111424406342E+14
Altitude 27007244.704131

Triangular Pyramid

Length = n
Surface area 4.2111424406342E+14
Volume 3.5742316406367E+21
Height 14700881.974134