42645981 (number)

42645981 is an odd 8-digits composite number following 42645980 and preceding 42645982. In scientific notation, it is written as 4.2645981 × 10^7. The sum of its digits is 39. It has a total of 5 prime factors and 32 positive divisors. There are 23474304 positive integers (up to 42645981) that are relatively prime to 42645981.

Interesting facts

Basic properties

Name

Name forty-two million six hundred forty-five thousand nine hundred eighty-one

Notation

Scientific notation 4.2645981 × 10^7
Engineering notation 4.2645981 × 10^6

Prime Factorization of 42645981

Prime Factorization 7 × 3 × 43 × 83 × 569

Composite number
ω Distinct Factors 5
Total number of distinct prime factors
Ω Total Factors 5
Total number of prime factors
rad Radical 42645981
Product of the distinct prime numbers

The prime factorization of 42645981 is 7 × 3 × 43 × 83 × 569. Since it has a total of 5 prime factors.

Most popular turbo-numbers

3, 4, 95, 70, 514, 645, 6469, 9866, 68520, 15033, 819146, 391432, 8171069, 8521185, 8468135, 4751707, 360801819, 551146405, 9254434103, 4985119685

Basic calculations (n = 42645981)

Multiplication

n×y
n×2 85291962
n×3 127937943
n×4 170583924
n×5 213229905

Division

n÷y
n÷2 21322990.5
n÷3 14215327
n÷3 10661495.25
n÷5 8529196.2

Exponentiation

ny
n2 1818679695452361
n3 7.7559379737347E+22
n4 3.3075958346507E+30
n5 1.4105566912019E+38

Nth Root

y√n
2√n 6530.3890389471
3√n 349.37570615884
4√n 80.810822536014
5√n 33.571876886579

Divisors of 42645981

1, 3, 7, 21, 43, 83, 129, 249, 301, 569, 581, 903, 1707, 1743, 3569, 3983, 10707, 11949, 24467, 24983, 47227, 73401, 74949, 141681, 171269, 330589, 513807, 991767, 2030761, 6092283, 14215327, 42645981

32 divisors

τ Total Divisors 32
Total number of the positive divisors of n
σ Sum of Divisors 1
Sum of all the positive divisors of n
s Aliquot Sum -42645980
Sum of the proper positive divisors of n
A Arithmetic Mean 0.03125
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 32
Returns the total number of divisors (τ(n)) divided by the sum of the reciprocal of each divisors

The number 42645981 can be divided by 32 positive divisors. The sum of these divisors (counting 42645981) is 1, the average is 0.03125.

Base conversion 42645981

Base System Value
2 Binary 10100010101011100111011101
3 Ternary 2222020122021210
4 Quaternary 2202223213131
5 Quinary 41404132411
6 Senary 4122015033
8 Octal 242534735
10 Decimal 42645981
12 Duodecimal 12347479
16 Hexadecimal 28ab9dd
20 Vigesimal d6aej1
36 Base36 pe1ul

Cryptographic Hash Functions

md5 3333e5b53a5a7610d89dd941bb64b368
sha1 a969bf2148903c03bf88956eb42dfc13073bde11
sha256 ff0f35156034a04704df41cf5fc972e3f5a95b15c880cd94c68f72814c721a74
sha512 08925466046883ceed6ea397c10f58f14310cdc7efcec8d6da84b665d45f6ef6bf80d5f20e8bdc8b03212751100a280a606400ef4fc1042a04d92d39a4a4224e
ripemd-160 2dc74a574130b18f6669ab1c74e7185a2cbcf6a0

42645981 as geometric shapes

Circle

Radius = n
Diameter 85291962
Circumference 267952601.22946
Area 5.7135507704661E+15

Sphere

Radius = n
Volume 3.2487997013311E+23
Surface area 2.2854203081864E+16
Circumference 267952601.22946

Square

Length = n
Perimeter 170583924
Area 1818679695452361
Diagonal 60310524.710905

Cube

Length = n
Surface area 10912078172714166
Volume 7.7559379737347E+22
Space diagonal 73865005.830617

Equilateral Triangle

Length = n
Perimeter 127937943
Area 7.8751140880435E+14
Altitude 36932502.915308

Triangular Pyramid

Length = n
Surface area 7.8751140880435E+14
Volume 9.1404605594835E+21
Height 20103508.236968