31381908 (number)

31381908 is an even 8-digits composite number following 31381907 and preceding 31381909. In scientific notation, it is written as 3.1381908 × 10^7. The sum of its digits is 33. It has a total of 5 prime factors and 24 positive divisors. There are 10367616 positive integers (up to 31381908) that are relatively prime to 31381908.

Interesting facts

Basic properties

Name

Name thirty-one million three hundred eighty-one thousand nine hundred eight

Notation

Scientific notation 3.1381908 × 10^7
Engineering notation 3.1381908 × 10^6

Prime Factorization of 31381908

Prime Factorization 2 × 2 × 3 × 113 × 23143

Composite number
ω Distinct Factors 4
Total number of distinct prime factors
Ω Total Factors 5
Total number of prime factors
rad Radical 15690954
Product of the distinct prime numbers

The prime factorization of 31381908 is 2 × 2 × 3 × 113 × 23143. Since it has a total of 5 prime factors.

Most popular turbo-numbers

1, 3, 37, 72, 349, 481, 3479, 7525, 77410, 70165, 815758, 921970, 5106834, 9105875, 76536551, 19570378, 111835900, 579689995, 4331591677, 463469418

Basic calculations (n = 31381908)

Multiplication

n×y
n×2 62763816
n×3 94145724
n×4 125527632
n×5 156909540

Division

n÷y
n÷2 15690954
n÷3 10460636
n÷3 7845477
n÷5 6276381.6

Exponentiation

ny
n2 984824149720464
n3 3.0905660862706E+22
n4 9.6987860587263E+29
n5 3.0436641180663E+37

Nth Root

y√n
2√n 5601.9557299215
3√n 315.42282347392
4√n 74.846213864974
5√n 31.574455432548

Divisors of 31381908

1, 2, 3, 4, 6, 12, 113, 226, 339, 452, 678, 1356, 23143, 46286, 69429, 92572, 138858, 277716, 2615159, 5230318, 7845477, 10460636, 15690954, 31381908

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 -31381907
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 31381908 can be divided by 24 positive divisors. The sum of these divisors (counting 31381908) is 1, the average is 0.041666666666667.

Base conversion 31381908

Base System Value
2 Binary 1110111101101100110010100
3 Ternary 2012001100212220
4 Quaternary 1313231212110
5 Quinary 31013210113
6 Senary 3040342340
8 Octal 167554624
10 Decimal 31381908
12 Duodecimal a6149b0
16 Hexadecimal 1ded994
20 Vigesimal 9g2ef8
36 Base36 iomfo

Cryptographic Hash Functions

md5 e63523d7dbb88a904da3a187234fe0d6
sha1 e874a2a1fef544aa1a9926d1e71d71d6887b15e1
sha256 51214957728a0f1c5e69004b6c4a3adc18be17ef363ccc5faccb909cd8b4e830
sha512 14bdd628bd4cab64e195af969e2416478462bf99846daecbfd73e3e4636bc1a040179cbdeacf3a18f0f19940798fb157c1f88cfec4a2c0c9116ef73d686354d3
ripemd-160 b76a3635b2726198b612707d907f256b7e62f588

31381908 as geometric shapes

Circle

Radius = n
Diameter 62763816
Circumference 197178343.25686
Area 3.0939163138396E+15

Sphere

Radius = n
Volume 1.2945732949415E+23
Surface area 1.2375665255358E+16
Circumference 197178343.25686

Square

Length = n
Perimeter 125527632
Area 984824149720464
Diagonal 44380719.906745

Cube

Length = n
Surface area 5908944898322784
Volume 3.0905660862706E+22
Space diagonal 54355059.094452

Equilateral Triangle

Length = n
Perimeter 94145724
Area 4.2644136595917E+14
Altitude 27177529.547226

Triangular Pyramid

Length = n
Surface area 4.2644136595917E+14
Volume 3.6422670621785E+21
Height 14793573.302248