42789987 (number)

42789987 is an odd 8-digits composite number following 42789986 and preceding 42789988. In scientific notation, it is written as 4.2789987 × 10^7. The sum of its digits is 54. It has a total of 2 prime factors and 4 positive divisors. There are 28526652 positive integers (up to 42789987) that are relatively prime to 42789987.

Interesting facts

Basic properties

Name

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

Notation

Scientific notation 4.2789987 × 10^7
Engineering notation 4.2789987 × 10^6

Prime Factorization of 42789987

Prime Factorization 9 × 4754443

Composite number
ω Distinct Factors 2
Total number of distinct prime factors
Ω Total Factors 2
Total number of prime factors
rad Radical 42789987
Product of the distinct prime numbers

The prime factorization of 42789987 is 9 × 4754443. Since it has a total of 2 prime factors.

Most popular turbo-numbers

Basic calculations (n = 42789987)

Multiplication

n×y
n×2 85579974
n×3 128369961
n×4 171159948
n×5 213949935

Division

n÷y
n÷2 21394993.5
n÷3 14263329
n÷3 10697496.75
n÷5 8557997.4

Exponentiation

ny
n2 1830982987460169
n3 7.8347738230642E+22
n4 3.3524987003686E+30
n5 1.4345337580629E+38

Nth Root

y√n
2√n 6541.4055829004
3√n 349.76851904708
4√n 80.878956366291
5√n 33.594519277286

Divisors of 42789987

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 -42789986
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 42789987 can be divided by 4 positive divisors. The sum of these divisors (counting 42789987) is 1, the average is 0.25.

Base conversion 42789987

Base System Value
2 Binary 10100011001110110001100011
3 Ternary 2222111221211100
4 Quaternary 2203032301203
5 Quinary 41423234422
6 Senary 4125045443
8 Octal 243166143
10 Decimal 42789987
12 Duodecimal 123b6883
16 Hexadecimal 28cec63
20 Vigesimal d78ej7
36 Base36 ph4yr

Cryptographic Hash Functions

md5 4e135de7ff65df591ad958496c2e3636
sha1 db99e7b5153718e8d1e38f02c87e1246641a121b
sha256 7afb75012d35a907b7e3b2c7382dcde35cb13663a2345174084e30415775cfa6
sha512 7c6fc509503117e7db05f9192bf17eb32bda53d1b98e6bdd74ede9e4730d8110f5a82f6de85930b2fe009c1cb5f14044fb15409d776d00e04c03dbc1057ae4bc
ripemd-160 29720f233417d6369d712ff4a00c5a21648a137b

42789987 as geometric shapes

Circle

Radius = n
Diameter 85579974
Circumference 268857417.61281
Area 5.7522027022528E+15

Sphere

Radius = n
Volume 3.2818223846768E+23
Surface area 2.3008810809011E+16
Circumference 268857417.61281

Square

Length = n
Perimeter 171159948
Area 1830982987460169
Diagonal 60514179.949168

Cube

Length = n
Surface area 10985897924761014
Volume 7.8347738230642E+22
Space diagonal 74114431.539212

Equilateral Triangle

Length = n
Perimeter 128369961
Area 7.9283889051882E+14
Altitude 37057215.769606

Triangular Pyramid

Length = n
Surface area 7.9283889051882E+14
Volume 9.2333694989192E+21
Height 20171393.316389