42156985 (number)

42156985 is an odd 8-digits composite number following 42156984 and preceding 42156986. In scientific notation, it is written as 4.2156985 × 10^7. The sum of its digits is 40. It has a total of 3 prime factors and 8 positive divisors. There are 30405312 positive integers (up to 42156985) that are relatively prime to 42156985.

Interesting facts

Basic properties

Name

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

Notation

Scientific notation 4.2156985 × 10^7
Engineering notation 4.2156985 × 10^6

Prime Factorization of 42156985

Prime Factorization 65 × 43 × 15083

Composite number
ω Distinct Factors 3
Total number of distinct prime factors
Ω Total Factors 3
Total number of prime factors
rad Radical 42156985
Product of the distinct prime numbers

The prime factorization of 42156985 is 65 × 43 × 15083. Since it has a total of 3 prime factors.

Most popular turbo-numbers

Basic calculations (n = 42156985)

Multiplication

n×y
n×2 84313970
n×3 126470955
n×4 168627940
n×5 210784925

Division

n÷y
n÷2 21078492.5
n÷3 14052328.333333
n÷3 10539246.25
n÷5 8431397

Exponentiation

ny
n2 1777211384290225
n3 7.4921873669352E+22
n4 3.1584803044508E+30
n5 1.3315200681753E+38

Nth Root

y√n
2√n 6492.8410576573
3√n 348.03520859693
4√n 80.578167375892
5√n 33.494531586126

Divisors of 42156985

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 -42156984
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 42156985 can be divided by 8 positive divisors. The sum of these divisors (counting 42156985) is 1, the average is 0.125.

Base conversion 42156985

Base System Value
2 Binary 10100000110100001110111001
3 Ternary 2221022210111211
4 Quaternary 2200310032321
5 Quinary 41243010420
6 Senary 4103323121
8 Octal 240641671
10 Decimal 42156985
12 Duodecimal 121504a1
16 Hexadecimal 28343b9
20 Vigesimal d39c95
36 Base36 p3kjd

Cryptographic Hash Functions

md5 3804dd16eaab551d52db68a7ecd3abb1
sha1 02ca3bea96d49c1ae84a33278966194780bd892f
sha256 c6f082b47bc7cc4372bf6e705391d8a2c0208fd33b5c3d6d522511adf95cd27f
sha512 fb4f9504286c793f15aa552f23674514ad8d018b28d191ec7ed461e705c2ecda55e6e2658156312f95b8bf4621477c21408eea4e96fcd0463330d9555d013437
ripemd-160 c115201f9ea6fc85cdcaed8287128ee3ce0c8af3

42156985 as geometric shapes

Circle

Radius = n
Diameter 84313970
Circumference 264880148.74699
Area 5.5832742287623E+15

Sphere

Radius = n
Volume 3.1383201055043E+23
Surface area 2.2333096915049E+16
Circumference 264880148.74699

Square

Length = n
Perimeter 168627940
Area 1777211384290225
Diagonal 59618979.935759

Cube

Length = n
Surface area 10663268305741350
Volume 7.4921873669352E+22
Space diagonal 73018039.913919

Equilateral Triangle

Length = n
Perimeter 126470955
Area 7.6955510334512E+14
Altitude 36509019.95696

Triangular Pyramid

Length = n
Surface area 7.6955510334512E+14
Volume 8.8296274884668E+21
Height 19872993.31192