31998428 (number)

31998428 is an even 8-digits composite number following 31998427 and preceding 31998429. In scientific notation, it is written as 3.1998428 × 10^7. The sum of its digits is 44. It has a total of 5 prime factors and 24 positive divisors. There are 11922240 positive integers (up to 31998428) that are relatively prime to 31998428.

Interesting facts

Basic properties

Name

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

Notation

Scientific notation 3.1998428 × 10^7
Engineering notation 3.1998428 × 10^6

Prime Factorization of 31998428

Prime Factorization 2 × 2 × 77 × 23 × 4517

Composite number
ω Distinct Factors 4
Total number of distinct prime factors
Ω Total Factors 5
Total number of prime factors
rad Radical 15999214
Product of the distinct prime numbers

The prime factorization of 31998428 is 2 × 2 × 77 × 23 × 4517. Since it has a total of 5 prime factors.

Most popular turbo-numbers

4, 4, 52, 45, 107, 600, 5512, 880, 96868, 12223, 921257, 115013, 7644265, 7959978, 95194324, 62607412, 750039605, 683926863, 7829455519, 9528312119

Basic calculations (n = 31998428)

Multiplication

n×y
n×2 63996856
n×3 95995284
n×4 127993712
n×5 159992140

Division

n÷y
n÷2 15999214
n÷3 10666142.666667
n÷3 7999607
n÷5 6399685.6

Exponentiation

ny
n2 1023899394471184
n3 3.276317105323E+22
n4 1.0483699699985E+30
n5 3.3546191002358E+37

Nth Root

y√n
2√n 5656.7153013034
3√n 317.47501157006
4√n 75.211138146576
5√n 31.69755241159

Divisors of 31998428

1, 2, 4, 23, 46, 77, 92, 154, 308, 1771, 3542, 4517, 7084, 9034, 18068, 103891, 207782, 347809, 415564, 695618, 1391236, 7999607, 15999214, 31998428

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 -31998427
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 31998428 can be divided by 24 positive divisors. The sum of these divisors (counting 31998428) is 1, the average is 0.041666666666667.

Base conversion 31998428

Base System Value
2 Binary 1111010000100000111011100
3 Ternary 2020012200120222
4 Quaternary 1322010013130
5 Quinary 31142422203
6 Senary 3101500512
8 Octal 172040734
10 Decimal 31998428
12 Duodecimal a871738
16 Hexadecimal 1e841dc
20 Vigesimal 9jjg18
36 Base36 j1u58

Cryptographic Hash Functions

md5 3e4d832ec7a227cafd4ab19dec4217c8
sha1 ad49f7e1ae9ac60cc6e650aa91bd9d3b3d1dac0a
sha256 cfce60a4a00d68d083ffeb08793254d2befa8d1795c054b0198282765c1c8aa9
sha512 d2265cfe400b94ba26dd62c303e4cb9bf62d9db1f3bf9e32c87c6e3d1fdbe52f10973eb678ced0667e89fb3788558d3424239cda0096db643c6c7b7f28171aa5
ripemd-160 382893ebbc1de96d973224301b4b4f47feaaffeb

31998428 as geometric shapes

Circle

Radius = n
Diameter 63996856
Circumference 201052052.66244
Area 3.2166748156857E+15

Sphere

Radius = n
Volume 1.3723804998551E+23
Surface area 1.2866699262743E+16
Circumference 201052052.66244

Square

Length = n
Perimeter 127993712
Area 1023899394471184
Diagonal 45252610.852219

Cube

Length = n
Surface area 6143396366827104
Volume 3.276317105323E+22
Space diagonal 55422903.058335

Equilateral Triangle

Length = n
Perimeter 95995284
Area 4.4336144326577E+14
Altitude 27711451.529167

Triangular Pyramid

Length = n
Surface area 4.4336144326577E+14
Volume 3.8611767374856E+21
Height 15084203.617406