39745 (number)

39745 is an odd 5-digits composite number following 39744 and preceding 39746. In scientific notation, it is written as 3.9745 × 10^4. The sum of its digits is 28. It has a total of 2 prime factors and 4 positive divisors. There are 31792 positive integers (up to 39745) that are relatively prime to 39745.

Interesting facts

Basic properties

Name

Name thirty-nine thousand seven hundred forty-five

Notation

Scientific notation 3.9745 × 10^4
Engineering notation 3.9745 × 10^3

Prime Factorization of 39745

Prime Factorization 5 × 7949

Composite number
ω Distinct Factors 2
Total number of distinct prime factors
Ω Total Factors 2
Total number of prime factors
rad Radical 39745
Product of the distinct prime numbers

The prime factorization of 39745 is 5 × 7949. Since it has a total of 2 prime factors.

Most popular turbo-numbers

3, 8, 19, 72, 158, 806, 9401, 1977, 50686, 1677, 705112, 378389, 8504612, 524765, 41969056, 65745752, 614499730, 675885695, 5258767904, 4785796821

Basic calculations (n = 39745)

Multiplication

n×y
n×2 79490
n×3 119235
n×4 158980
n×5 198725

Division

n÷y
n÷2 19872.5
n÷3 13248.333333333
n÷3 9936.25
n÷5 7949

Exponentiation

ny
n2 1579665025
n3 62783786418625
n4 2495341591208250625
n5 9.9177351542572E+22

Nth Root

y√n
2√n 199.36148073286
3√n 34.126689974315
4√n 14.119542511458
5√n 8.3148898482373

Divisors of 39745

1, 5, 7949, 39745

4 divisors

τ Total Divisors 4
Total number of the positive divisors of n
σ Sum of Divisors 1
Sum of all the positive divisors of n
s Aliquot Sum -39744
Sum of the proper positive divisors of n
A Arithmetic Mean 0.25
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 4
Returns the total number of divisors (τ(n)) divided by the sum of the reciprocal of each divisors

The number 39745 can be divided by 4 positive divisors. The sum of these divisors (counting 39745) is 1, the average is 0.25.

Base conversion 39745

Base System Value
2 Binary 1001101101000001
3 Ternary 2000112001
4 Quaternary 21231001
5 Quinary 2232440
6 Senary 504001
8 Octal 115501
10 Decimal 39745
12 Duodecimal 1b001
16 Hexadecimal 9b41
20 Vigesimal 4j75
36 Base36 uo1

Cryptographic Hash Functions

md5 01262c816d03a88372753fac1d70f02d
sha1 eef25eb9cfdd99fcf346ca5537a721670d4ea5f7
sha256 6e2f950ecdb1fef1efe3a7a65ef1aaf815a35f66a1a91be854a7581cf410e54e
sha512 b8cae9f82948b30f70291cbf4fdff695c71fe5e9ea1ba4c19b80c67b50f23be3c17195c6d06e3e096c74f42c3b23ea8ce40e26a801b92e9d12352b6aa5110880
ripemd-160 869b5455530be00e176d413481b001e4c8b9aaad

39745 as geometric shapes

Circle

Radius = n
Diameter 79490
Circumference 249725.20003385
Area 4962664037.6727

Sphere

Radius = n
Volume 2.6298810956974E+14
Surface area 19850656150.691
Circumference 249725.20003385

Square

Length = n
Perimeter 158980
Area 1579665025
Diagonal 56207.918036519

Cube

Length = n
Surface area 9477990150
Volume 62783786418625
Space diagonal 68840.359346825

Equilateral Triangle

Length = n
Perimeter 119235
Area 684015020.55989
Altitude 34420.179673413

Triangular Pyramid

Length = n
Surface area 684015020.55989
Volume 7399140187529.6
Height 18735.97267884