42447981 (number)

42447981 is an odd 8-digits composite number following 42447980 and preceding 42447982. In scientific notation, it is written as 4.2447981 × 10^7. The sum of its digits is 39. It has a total of 2 prime factors and 4 positive divisors. There are 28298652 positive integers (up to 42447981) that are relatively prime to 42447981.

Interesting facts

Basic properties

Name

Name forty-two million four hundred forty-seven thousand nine hundred eighty-one

Notation

Scientific notation 4.2447981 × 10^7
Engineering notation 4.2447981 × 10^6

Prime Factorization of 42447981

Prime Factorization 3 × 14149327

Composite number
ω Distinct Factors 2
Total number of distinct prime factors
Ω Total Factors 2
Total number of prime factors
rad Radical 42447981
Product of the distinct prime numbers

The prime factorization of 42447981 is 3 × 14149327. Since it has a total of 2 prime factors.

Most popular turbo-numbers

Basic calculations (n = 42447981)

Multiplication

n×y
n×2 84895962
n×3 127343943
n×4 169791924
n×5 212239905

Division

n÷y
n÷2 21223990.5
n÷3 14149327
n÷3 10611995.25
n÷5 8489596.2

Exponentiation

ny
n2 1801831090976361
n3 7.6484091914974E+22
n4 3.2465952804091E+30
n5 1.3781141477749E+38

Nth Root

y√n
2√n 6515.2115084623
3√n 348.83416449942
4√n 80.716860125146
5√n 33.540644817916

Divisors of 42447981

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 -42447980
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 42447981 can be divided by 4 positive divisors. The sum of these divisors (counting 42447981) is 1, the average is 0.25.

Base conversion 42447981

Base System Value
2 Binary 10100001111011010001101101
3 Ternary 2221212120200110
4 Quaternary 2201323101231
5 Quinary 41331313411
6 Senary 4113450233
8 Octal 241732155
10 Decimal 42447981
12 Duodecimal 12270979
16 Hexadecimal 287b46d
20 Vigesimal d55jj1
36 Base36 p9t2l

Cryptographic Hash Functions

md5 c488889babfda1d116ee0520e842fdc0
sha1 597a73083ed4aabebbea3b7c3deae026d46b6b7c
sha256 57c055849aa3219cff780d09e089a241c25d6557d92171a7728541ea407c3d66
sha512 1f517da0196de844e7d970113ed7ae0680ce3df84c1483c516f0167053aacbd086775fc0af0022d0567dad4b0b0f5f021854f752cb68a1d4b50d308848bfeca2
ripemd-160 a0ae6a349c992eedb59b534dd0cc0f62ac8168d8

42447981 as geometric shapes

Circle

Radius = n
Diameter 84895962
Circumference 266708530.53864
Area 5.660619318421E+15

Sphere

Radius = n
Volume 3.2037581503542E+23
Surface area 2.2642477273684E+16
Circumference 266708530.53864

Square

Length = n
Perimeter 169791924
Area 1801831090976361
Diagonal 60030510.425555

Cube

Length = n
Surface area 10810986545858166
Volume 7.6484091914974E+22
Space diagonal 73522059.770718

Equilateral Triangle

Length = n
Perimeter 127343943
Area 7.8021574905708E+14
Altitude 36761029.885359

Triangular Pyramid

Length = n
Surface area 7.8021574905708E+14
Volume 9.0137366743289E+21
Height 20010170.141852