42890781 (number)

42890781 is an odd 8-digits composite number following 42890780 and preceding 42890782. In scientific notation, it is written as 4.2890781 × 10^7. The sum of its digits is 39. It has a total of 3 prime factors and 8 positive divisors. There are 28298880 positive integers (up to 42890781) that are relatively prime to 42890781.

Interesting facts

Basic properties

Name

Name forty-two million eight hundred ninety thousand seven hundred eighty-one

Notation

Scientific notation 4.2890781 × 10^7
Engineering notation 4.2890781 × 10^6

Prime Factorization of 42890781

Prime Factorization 3 × 97 × 147391

Composite number
ω Distinct Factors 3
Total number of distinct prime factors
Ω Total Factors 3
Total number of prime factors
rad Radical 42890781
Product of the distinct prime numbers

The prime factorization of 42890781 is 3 × 97 × 147391. Since it has a total of 3 prime factors.

Most popular turbo-numbers

Basic calculations (n = 42890781)

Multiplication

n×y
n×2 85781562
n×3 128672343
n×4 171563124
n×5 214453905

Division

n÷y
n÷2 21445390.5
n÷3 14296927
n÷3 10722695.25
n÷5 8578156.2

Exponentiation

ny
n2 1839619094789961
n3 7.8902699718054E+22
n4 3.3841984139158E+30
n5 1.4515091303181E+38

Nth Root

y√n
2√n 6549.1053587494
3√n 350.04293622918
4√n 80.926542980344
5√n 33.610331107286

Divisors of 42890781

8 divisors

τ Total Divisors 8
Total number of the positive divisors of n
σ Sum of Divisors 1
Sum of all the positive divisors of n
s Aliquot Sum -42890780
Sum of the proper positive divisors of n
A Arithmetic Mean 0.125
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 8
Returns the total number of divisors (τ(n)) divided by the sum of the reciprocal of each divisors

The number 42890781 can be divided by 8 positive divisors. The sum of these divisors (counting 42890781) is 1, the average is 0.125.

Base conversion 42890781

Base System Value
2 Binary 10100011100111011000011101
3 Ternary 2222201002002110
4 Quaternary 2203213120131
5 Quinary 41440001111
6 Senary 4131144233
8 Octal 243473035
10 Decimal 42890781
12 Duodecimal 12445079
16 Hexadecimal 28e761d
20 Vigesimal d816j1
36 Base36 pjaql

Cryptographic Hash Functions

md5 78b970ded1ddb06a97cafbdb6bc0468f
sha1 13030dd3363ba8c589a2fb82d67c158eac07c942
sha256 c68b6b91db0cd3bd1b6423faa451f0fa32ca0ef9a70aa4bcbcabf6a5a7f4b49e
sha512 6708c6dcf6ec2763f36004d4cd316fb5ab883b566a003d22701accec9e236e26b2d12d98064ce28f5a2d054c6fa53db207cfcd518a6b656012a75bbe2f078141
ripemd-160 3ed3c214aa9456b53c2e10c56454fccdf4c98071

42890781 as geometric shapes

Circle

Radius = n
Diameter 85781562
Circumference 269490724.99266
Area 5.7793338335956E+15

Sphere

Radius = n
Volume 3.3050685571019E+23
Surface area 2.3117335334383E+16
Circumference 269490724.99266

Square

Length = n
Perimeter 171563124
Area 1839619094789961
Diagonal 60656724.190974

Cube

Length = n
Surface area 11037714568739766
Volume 7.8902699718054E+22
Space diagonal 74289011.86831

Equilateral Triangle

Length = n
Perimeter 128672343
Area 7.9657843468752E+14
Altitude 37144505.934155

Triangular Pyramid

Length = n
Surface area 7.9657843468752E+14
Volume 9.298772337427E+21
Height 20218908.063658