31808428 (number)

31808428 is an even 8-digits composite number following 31808427 and preceding 31808429. In scientific notation, it is written as 3.1808428 × 10^7. The sum of its digits is 34. It has a total of 5 prime factors and 24 positive divisors. There are 14923008 positive integers (up to 31808428) that are relatively prime to 31808428.

Interesting facts

Basic properties

Name

Name thirty-one million eight hundred eight thousand four hundred twenty-eight

Notation

Scientific notation 3.1808428 × 10^7
Engineering notation 3.1808428 × 10^6

Prime Factorization of 31808428

Prime Factorization 2 × 2 × 17 × 509 × 919

Composite number
ω Distinct Factors 4
Total number of distinct prime factors
Ω Total Factors 5
Total number of prime factors
rad Radical 15904214
Product of the distinct prime numbers

The prime factorization of 31808428 is 2 × 2 × 17 × 509 × 919. Since it has a total of 5 prime factors.

Most popular turbo-numbers

7, 10, 22, 36, 368, 962, 1836, 523, 19086, 82918, 407169, 536752, 9730200, 5476342, 30401276, 69453835, 554899457, 973458009, 8723476561, 3005099218

Basic calculations (n = 31808428)

Multiplication

n×y
n×2 63616856
n×3 95425284
n×4 127233712
n×5 159042140

Division

n÷y
n÷2 15904214
n÷3 10602809.333333
n÷3 7952107
n÷5 6361685.6

Exponentiation

ny
n2 1011776091831184
n3 3.2183006969134E+22
n4 1.0236908600012E+30
n5 3.2561997014606E+37

Nth Root

y√n
2√n 5639.8960983337
3√n 316.84539691836
4√n 75.099241662841
5√n 31.659819993263

Divisors of 31808428

1, 2, 4, 17, 34, 68, 509, 919, 1018, 1838, 2036, 3676, 8653, 15623, 17306, 31246, 34612, 62492, 467771, 935542, 1871084, 7952107, 15904214, 31808428

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 -31808427
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 31808428 can be divided by 24 positive divisors. The sum of these divisors (counting 31808428) is 1, the average is 0.041666666666667.

Base conversion 31808428

Base System Value
2 Binary 1111001010101101110101100
3 Ternary 2012212000221221
4 Quaternary 1321111232230
5 Quinary 31120332203
6 Senary 3053433124
8 Octal 171255654
10 Decimal 31808428
12 Duodecimal a79b7a4
16 Hexadecimal 1e55bac
20 Vigesimal 9ig118
36 Base36 ixrjg

Cryptographic Hash Functions

md5 e58acb86e9352e2979f865d98d2ade77
sha1 3351dc1d481ef701da2fd420099d7cb3a8034a78
sha256 154e8a46fb718875721da4b4e962e4c4ea91f4ca20fd800e212e46d7faa81e04
sha512 a217552e7d9cc661da64560686e07eada5e6b4c0d0c744ce8aa5de22fc3e5afb11a80086860270d7a04c7104f0e270d4b8992430c1efc8a152806a2020a7a962
ripemd-160 f384f424a21ca057805538ff44708ba0a5ac5474

31808428 as geometric shapes

Circle

Radius = n
Diameter 63616856
Circumference 199858247.45408
Area 3.1785883371746E+15

Sphere

Radius = n
Volume 1.3480786435288E+23
Surface area 1.2714353348699E+16
Circumference 199858247.45408

Square

Length = n
Perimeter 127233712
Area 1011776091831184
Diagonal 44983910.275368

Cube

Length = n
Surface area 6070656550987104
Volume 3.2183006969134E+22
Space diagonal 55093813.404896

Equilateral Triangle

Length = n
Perimeter 95425284
Area 4.3811189923377E+14
Altitude 27546906.702448

Triangular Pyramid

Length = n
Surface area 4.3811189923377E+14
Volume 3.7928037444747E+21
Height 14994636.758456