31129209 (number)

31129209 is an odd 8-digits composite number following 31129208 and preceding 31129210. In scientific notation, it is written as 3.1129209 × 10^7. The sum of its digits is 27. It has a total of 5 prime factors and 24 positive divisors. There are 19541760 positive integers (up to 31129209) that are relatively prime to 31129209.

Interesting facts

Basic properties

Name

Name thirty-one million one hundred twenty-nine thousand two hundred nine

Notation

Scientific notation 3.1129209 × 10^7
Engineering notation 3.1129209 × 10^6

Prime Factorization of 31129209

Prime Factorization 29 × 3 × 3 × 41 × 2909

Composite number
ω Distinct Factors 4
Total number of distinct prime factors
Ω Total Factors 5
Total number of prime factors
rad Radical 10376403
Product of the distinct prime numbers

The prime factorization of 31129209 is 29 × 3 × 3 × 41 × 2909. Since it has a total of 5 prime factors.

Most popular turbo-numbers

8, 9, 88, 17, 843, 205, 4525, 1024, 42340, 71884, 94463, 159117, 5979517, 584210, 40784215, 11653579, 821549469, 962939733, 4103130438, 611255830

Basic calculations (n = 31129209)

Multiplication

n×y
n×2 62258418
n×3 93387627
n×4 124516836
n×5 155646045

Division

n÷y
n÷2 15564604.5
n÷3 10376403
n÷3 7782302.25
n÷5 6225841.8

Exponentiation

ny
n2 969027652965681
n3 3.0165064335948E+22
n4 9.3901459221218E+29
n5 2.9230781495023E+37

Nth Root

y√n
2√n 5579.3556079533
3√n 314.57390612901
4√n 74.695084228839
5√n 31.523440958752

Divisors of 31129209

1, 3, 9, 29, 41, 87, 123, 261, 369, 1189, 2909, 3567, 8727, 10701, 26181, 84361, 119269, 253083, 357807, 759249, 1073421, 3458801, 10376403, 31129209

24 divisors

τ Total Divisors 24
Total number of the positive divisors of n
σ Sum of Divisors 1
Sum of all the positive divisors of n
s Aliquot Sum -31129208
Sum of the proper positive divisors of n
A Arithmetic Mean 0.041666666666667
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 24
Returns the total number of divisors (τ(n)) divided by the sum of the reciprocal of each divisors

The number 31129209 can be divided by 24 positive divisors. The sum of these divisors (counting 31129209) is 1, the average is 0.041666666666667.

Base conversion 31129209

Base System Value
2 Binary 1110110101111111001111001
3 Ternary 2011120112020200
4 Quaternary 1312233321321
5 Quinary 30432113314
6 Senary 3031112413
8 Octal 166577171
10 Decimal 31129209
12 Duodecimal a512709
16 Hexadecimal 1dafe79
20 Vigesimal 9eb309
36 Base36 ij7g9

Cryptographic Hash Functions

md5 c8636b2474d5140c5d9ad95800543a0a
sha1 7e849d5180838c4fd222519c1e9a5da55cc77559
sha256 444e228d4691546ecf9bb8ca3d6cfa46e9ead49eb859aa2227aaf1da72cb94d1
sha512 5d1d2d2d075aee1a4ff21ee60155c1730defce7a23082d4718e5319bbc5dc536081857e4563785d1b9b32edab020df85697dbb576cab91c9a8383fb7f9fa8131
ripemd-160 9fc50fa4a7b9756be9f51a1c5b4dbea01e5d9ab4

31129209 as geometric shapes

Circle

Radius = n
Diameter 62258418
Circumference 195590588.61292
Area 3.0442901556823E+15

Sphere

Radius = n
Volume 1.2635512601717E+23
Surface area 1.2177160622729E+16
Circumference 195590588.61292

Square

Length = n
Perimeter 124516836
Area 969027652965681
Diagonal 44023349.553747

Cube

Length = n
Surface area 5814165917794086
Volume 3.0165064335948E+22
Space diagonal 53917371.58743

Equilateral Triangle

Length = n
Perimeter 93387627
Area 4.1960128221895E+14
Altitude 26958685.793715

Triangular Pyramid

Length = n
Surface area 4.1960128221895E+14
Volume 3.5549869244796E+21
Height 14674449.851249