31129905 (number)

31129905 is an odd 8-digits composite number following 31129904 and preceding 31129906. In scientific notation, it is written as 3.1129905 × 10^7. The sum of its digits is 30. It has a total of 4 prime factors and 16 positive divisors. There are 16029888 positive integers (up to 31129905) that are relatively prime to 31129905.

Interesting facts

Basic properties

Name

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

Notation

Scientific notation 3.1129905 × 10^7
Engineering notation 3.1129905 × 10^6

Prime Factorization of 31129905

Prime Factorization 3 × 5 × 29 × 71563

Composite number
ω Distinct Factors 4
Total number of distinct prime factors
Ω Total Factors 4
Total number of prime factors
rad Radical 31129905
Product of the distinct prime numbers

The prime factorization of 31129905 is 3 × 5 × 29 × 71563. Since it has a total of 4 prime factors.

Most popular turbo-numbers

6, 7, 54, 40, 538, 175, 2679, 7099, 97109, 9326, 119623, 348540, 5781428, 9942807, 82580283, 35028498, 294875545, 693669633, 6930927411, 4221686401

Basic calculations (n = 31129905)

Multiplication

n×y
n×2 62259810
n×3 93389715
n×4 124519620
n×5 155649525

Division

n÷y
n÷2 15564952.5
n÷3 10376635
n÷3 7782476.25
n÷5 6225981

Exponentiation

ny
n2 969070985309025
n3 3.0167087710926E+22
n4 9.390985745678E+29
n5 2.9234049411931E+37

Nth Root

y√n
2√n 5579.417980399
3√n 314.57625057028
4√n 74.695501741397
5√n 31.523581920372

Divisors of 31129905

1, 3, 5, 15, 29, 87, 145, 435, 71563, 214689, 357815, 1073445, 2075327, 6225981, 10376635, 31129905

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 -31129904
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 31129905 can be divided by 16 positive divisors. The sum of these divisors (counting 31129905) is 1, the average is 0.0625.

Base conversion 31129905

Base System Value
2 Binary 1110110110000000100110001
3 Ternary 2011120120012110
4 Quaternary 1312300010301
5 Quinary 30432124110
6 Senary 3031115533
8 Octal 166600461
10 Decimal 31129905
12 Duodecimal a512ba9
16 Hexadecimal 1db0131
20 Vigesimal 9eb4f5
36 Base36 ij7zl

Cryptographic Hash Functions

md5 6473af240d222081ccdc7226312e6ea4
sha1 9d83d945c1c1a5c73960f47ef4a2c328030eec75
sha256 f1f42bbbff15b0db86a3f1c10fbb3f3f29312f14ef6fcf9d1fd81cb82290eaf0
sha512 a7614e6b2d3039a1604fbdc15fc7e04ccd29d7303fa869c8f3780bdddf1f57fffa61c20b0145cf02d7407ca839f579d4d37f66bf8cbf1e767c885389c04490c7
ripemd-160 9e46201ff8d661a8f38ae903b222374ba9d17b07

31129905 as geometric shapes

Circle

Radius = n
Diameter 62259810
Circumference 195594961.7099
Area 3.0444262882539E+15

Sphere

Radius = n
Volume 1.2636360151046E+23
Surface area 1.2177705153015E+16
Circumference 195594961.7099

Square

Length = n
Perimeter 124519620
Area 969070985309025
Diagonal 44024333.846386

Cube

Length = n
Surface area 5814425911854150
Volume 3.0167087710926E+22
Space diagonal 53918577.094792

Equilateral Triangle

Length = n
Perimeter 93389715
Area 4.1962004567402E+14
Altitude 26959288.547396

Triangular Pyramid

Length = n
Surface area 4.1962004567402E+14
Volume 3.5552253815076E+21
Height 14674777.948795