31749968 (number)

31749968 is an even 8-digits composite number following 31749967 and preceding 31749969. In scientific notation, it is written as 3.1749968 × 10^7. The sum of its digits is 47. It has a total of 6 prime factors and 20 positive divisors. There are 15575040 positive integers (up to 31749968) that are relatively prime to 31749968.

Interesting facts

Basic properties

Name

Name thirty-one million seven hundred forty-nine thousand nine hundred sixty-eight

Notation

Scientific notation 3.1749968 × 10^7
Engineering notation 3.1749968 × 10^6

Prime Factorization of 31749968

Prime Factorization 2 × 2 × 2 × 2 × 53 × 37441

Composite number
ω Distinct Factors 3
Total number of distinct prime factors
Ω Total Factors 6
Total number of prime factors
rad Radical 3968746
Product of the distinct prime numbers

The prime factorization of 31749968 is 2 × 2 × 2 × 2 × 53 × 37441. Since it has a total of 6 prime factors.

Most popular turbo-numbers

Basic calculations (n = 31749968)

Multiplication

n×y
n×2 63499936
n×3 95249904
n×4 126999872
n×5 158749840

Division

n÷y
n÷2 15874984
n÷3 10583322.666667
n÷3 7937492
n÷5 6349993.6

Exponentiation

ny
n2 1008060468001024
n3 3.2005887601098E+22
n4 1.0161859071464E+30
n5 3.2263870033951E+37

Nth Root

y√n
2√n 5634.7109952508
3√n 316.65117018658
4√n 75.064712050675
5√n 31.648174053256

Divisors of 31749968

20 divisors

τ Total Divisors 20
Total number of the positive divisors of n
σ Sum of Divisors 1
Sum of all the positive divisors of n
s Aliquot Sum -31749967
Sum of the proper positive divisors of n
A Arithmetic Mean 0.05
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 20
Returns the total number of divisors (τ(n)) divided by the sum of the reciprocal of each divisors

The number 31749968 can be divided by 20 positive divisors. The sum of these divisors (counting 31749968) is 1, the average is 0.05.

Base conversion 31749968

Base System Value
2 Binary 1111001000111011101010000
3 Ternary 2012202001202202
4 Quaternary 1321013131100
5 Quinary 31111444333
6 Senary 3052302332
8 Octal 171073520
10 Decimal 31749968
12 Duodecimal a7719a8
16 Hexadecimal 1e47750
20 Vigesimal 9i8ei8
36 Base36 iwifk

Cryptographic Hash Functions

md5 436972d1045d198bc6c8fada7cbff099
sha1 b50c6350a96d9301b671e2fd4d8d59a4b90e7802
sha256 183614c5f9ef2c204c022fdd2f59da1ee592fa7a8a2b305b060c791fef468544
sha512 724c96b08278fc72ed722df189886f023302f50ee5d3b5c2772bf3d98ced782db4c9b9ecccdb1bfe2e4eac1f9cc519760441009461d137f31e6e05dcb50dd72a
ripemd-160 ff6007791b845f758b6848395b6140a28e8ac0da

31749968 as geometric shapes

Circle

Radius = n
Diameter 63499936
Circumference 199490932.44102
Area 3.1669153606463E+15

Sphere

Radius = n
Volume 1.3406594847897E+23
Surface area 1.2667661442585E+16
Circumference 199490932.44102

Square

Length = n
Perimeter 126999872
Area 1008060468001024
Diagonal 44901235.350512

Cube

Length = n
Surface area 6048362808006144
Volume 3.2005887601098E+22
Space diagonal 54992557.714686

Equilateral Triangle

Length = n
Perimeter 95249904
Area 4.3650298691986E+14
Altitude 27496278.857343

Triangular Pyramid

Length = n
Surface area 4.3650298691986E+14
Volume 3.7719300267718E+21
Height 14967078.450171