42156981 (number)

42156981 is an odd 8-digits composite number following 42156980 and preceding 42156982. In scientific notation, it is written as 4.2156981 × 10^7. The sum of its digits is 36. It has a total of 4 prime factors and 12 positive divisors. There are 27135360 positive integers (up to 42156981) that are relatively prime to 42156981.

Interesting facts

Basic properties

Name

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

Notation

Scientific notation 4.2156981 × 10^7
Engineering notation 4.2156981 × 10^6

Prime Factorization of 42156981

Prime Factorization 3 × 3 × 29 × 161521

Composite number
ω Distinct Factors 3
Total number of distinct prime factors
Ω Total Factors 4
Total number of prime factors
rad Radical 14052327
Product of the distinct prime numbers

The prime factorization of 42156981 is 3 × 3 × 29 × 161521. Since it has a total of 4 prime factors.

Most popular turbo-numbers

5, 4, 62, 46, 32, 538, 499, 155, 10578, 24025, 384234, 159323, 2650762, 2449727, 13984843, 29688800, 256560168, 860021478, 3583015157, 7531171604

Basic calculations (n = 42156981)

Multiplication

n×y
n×2 84313962
n×3 126470943
n×4 168627924
n×5 210784905

Division

n÷y
n÷2 21078490.5
n÷3 14052327
n÷3 10539245.25
n÷5 8431396.2

Exponentiation

ny
n2 1777211047034361
n3 7.4921852342818E+22
n4 3.158479105701E+30
n5 1.3315194364793E+38

Nth Root

y√n
2√n 6492.8407496257
3√n 348.03519758933
4√n 80.578165464508
5√n 33.494530950511

Divisors of 42156981

1, 3, 9, 29, 87, 261, 161521, 484563, 1453689, 4684109, 14052327, 42156981

12 divisors

τ Total Divisors 12
Total number of the positive divisors of n
σ Sum of Divisors 1
Sum of all the positive divisors of n
s Aliquot Sum -42156980
Sum of the proper positive divisors of n
A Arithmetic Mean 0.083333333333333
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 12
Returns the total number of divisors (τ(n)) divided by the sum of the reciprocal of each divisors

The number 42156981 can be divided by 12 positive divisors. The sum of these divisors (counting 42156981) is 1, the average is 0.083333333333333.

Base conversion 42156981

Base System Value
2 Binary 10100000110100001110110101
3 Ternary 2221022210111200
4 Quaternary 2200310032311
5 Quinary 41243010411
6 Senary 4103323113
8 Octal 240641665
10 Decimal 42156981
12 Duodecimal 12150499
16 Hexadecimal 28343b5
20 Vigesimal d39c91
36 Base36 p3kj9

Cryptographic Hash Functions

md5 e4daa9b5515c6302950fff7d76a16c9b
sha1 21e9a5f26461671682dd7e9170c66a9bb59b4252
sha256 b938fe3732d8b403c50196591e7e504a41885cde5b31d39b80d9054e9d3bb5a4
sha512 33ff994604f6908dd442a32b15c5d3934e98e6740afae401faac163d987f39854bfa54f9205edce0e519ab1dd91a0e56365fc55d8d0e147dd6f95b33fdd72249
ripemd-160 52ef78d82148ecb5af7edbd8b41371cef8f55dfe

42156981 as geometric shapes

Circle

Radius = n
Diameter 84313962
Circumference 264880123.61425
Area 5.5832731692418E+15

Sphere

Radius = n
Volume 3.1383192121805E+23
Surface area 2.2333092676967E+16
Circumference 264880123.61425

Square

Length = n
Perimeter 168627924
Area 1777211047034361
Diagonal 59618974.278905

Cube

Length = n
Surface area 10663266282206166
Volume 7.4921852342818E+22
Space diagonal 73018032.985716

Equilateral Triangle

Length = n
Perimeter 126470943
Area 7.6955495730905E+14
Altitude 36509016.492858

Triangular Pyramid

Length = n
Surface area 7.6955495730905E+14
Volume 8.8296249751106E+21
Height 19872991.426302