39747981 (number)

39747981 is an odd 8-digits composite number following 39747980 and preceding 39747982. In scientific notation, it is written as 3.9747981 × 10^7. The sum of its digits is 48. It has a total of 6 prime factors and 64 positive divisors. There are 19408896 positive integers (up to 39747981) that are relatively prime to 39747981.

Interesting facts

Basic properties

Name

Name thirty-nine million seven hundred forty-seven thousand nine hundred eighty-one

Notation

Scientific notation 3.9747981 × 10^7
Engineering notation 3.9747981 × 10^6

Prime Factorization of 39747981

Prime Factorization 3 × 7 × 13 × 97 × 19 × 79

Composite number
ω Distinct Factors 6
Total number of distinct prime factors
Ω Total Factors 6
Total number of prime factors
rad Radical 39747981
Product of the distinct prime numbers

The prime factorization of 39747981 is 3 × 7 × 13 × 97 × 19 × 79. Since it has a total of 6 prime factors.

Most popular turbo-numbers

Basic calculations (n = 39747981)

Multiplication

n×y
n×2 79495962
n×3 119243943
n×4 158991924
n×5 198739905

Division

n÷y
n÷2 19873990.5
n÷3 13249327
n÷3 9936995.25
n÷5 7949596.2

Exponentiation

ny
n2 1579901993576361
n3 6.2797914422535E+22
n4 2.4960903093066E+30
n5 9.9214550188601E+37

Nth Root

y√n
2√n 6304.5999873109
3√n 341.27543156011
4√n 79.401511240724
5√n 33.102669247973

Divisors of 39747981

64 divisors

τ Total Divisors 64
Total number of the positive divisors of n
σ Sum of Divisors 1
Sum of all the positive divisors of n
s Aliquot Sum -39747980
Sum of the proper positive divisors of n
A Arithmetic Mean 0.015625
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 64
Returns the total number of divisors (τ(n)) divided by the sum of the reciprocal of each divisors

The number 39747981 can be divided by 64 positive divisors. The sum of these divisors (counting 39747981) is 1, the average is 0.015625.

Base conversion 39747981

Base System Value
2 Binary 10010111101000000110001101
3 Ternary 2202210101222110
4 Quaternary 2113220012031
5 Quinary 40133413411
6 Senary 3535534233
8 Octal 227500615
10 Decimal 39747981
12 Duodecimal 1138a379
16 Hexadecimal 25e818d
20 Vigesimal c889j1
36 Base36 nnxql

Cryptographic Hash Functions

md5 65dc51dab8c27557628c756d895f58fb
sha1 ab86b6d000ccffc556679a8df2e7e3bad88f2140
sha256 17d6a04a33f921186119f3d69705d3c920b986ab3f877c40839db7776d371c1e
sha512 192be98b9b58bcd8bf62e3bc4ad2ea46b06d59f06c4b1668f77cffcb464f92f8395fbfd1174468dfa18af7960bed32cc050a2e016e40d7201fb27b7d57571f6e
ripemd-160 6b10ea472945088c0cd5fe3d544f625adbc619cd

39747981 as geometric shapes

Circle

Radius = n
Diameter 79495962
Circumference 249743930.20925
Area 4.9634084964114E+15

Sphere

Radius = n
Volume 2.6304728881413E+23
Surface area 1.9853633985645E+16
Circumference 249743930.20925

Square

Length = n
Perimeter 158991924
Area 1579901993576361
Diagonal 56212133.807148

Cube

Length = n
Surface area 9479411961458166
Volume 6.2797914422535E+22
Space diagonal 68845522.590282

Equilateral Triangle

Length = n
Perimeter 119243943
Area 6.841176309634E+14
Altitude 34422761.295141

Triangular Pyramid

Length = n
Surface area 6.841176309634E+14
Volume 7.4008051887579E+21
Height 18737377.935716