38994987 (number)

38994987 is an odd 8-digits composite number following 38994986 and preceding 38994988. In scientific notation, it is written as 3.8994987 × 10^7. The sum of its digits is 57. It has a total of 2 prime factors and 4 positive divisors. There are 25996656 positive integers (up to 38994987) that are relatively prime to 38994987.

Interesting facts

Basic properties

Name

Name thirty-eight million nine hundred ninety-four thousand nine hundred eighty-seven

Notation

Scientific notation 3.8994987 × 10^7
Engineering notation 3.8994987 × 10^6

Prime Factorization of 38994987

Prime Factorization 3 × 12998329

Composite number
ω Distinct Factors 2
Total number of distinct prime factors
Ω Total Factors 2
Total number of prime factors
rad Radical 38994987
Product of the distinct prime numbers

The prime factorization of 38994987 is 3 × 12998329. Since it has a total of 2 prime factors.

Most popular turbo-numbers

1, 4, 21, 21, 133, 513, 1120, 9388, 67220, 32998, 757332, 437353, 248076, 2613788, 92274030, 82235497, 642186737, 877107534, 4129886790, 4937021909

Basic calculations (n = 38994987)

Multiplication

n×y
n×2 77989974
n×3 116984961
n×4 155979948
n×5 194974935

Division

n÷y
n÷2 19497493.5
n÷3 12998329
n÷3 9748746.75
n÷5 7798997.4

Exponentiation

ny
n2 1520609011130169
n3 5.9296128621104E+22
n4 2.3122517647303E+30
n5 9.0166227506384E+37

Nth Root

y√n
2√n 6244.5966242825
3√n 339.10661364209
4√n 79.022760166185
5√n 32.976287134033

Divisors of 38994987

1, 3, 12998329, 38994987

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 -38994986
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 38994987 can be divided by 4 positive divisors. The sum of these divisors (counting 38994987) is 1, the average is 0.25.

Base conversion 38994987

Base System Value
2 Binary 10010100110000010000101011
3 Ternary 2201101011001210
4 Quaternary 2110300100223
5 Quinary 34440314422
6 Senary 3511444203
8 Octal 224602053
10 Decimal 38994987
12 Duodecimal 11086663
16 Hexadecimal 253042b
20 Vigesimal c3e797
36 Base36 n7sq3

Cryptographic Hash Functions

md5 9c0b8276fd9689b3952c238e52adf965
sha1 500a07fa00bac511c803bc616295017373f13195
sha256 2577532dba58d08b81452822f6f4360cb5f42fb135cb58c0cb398e22feba9640
sha512 8d033179d279cf05a7bf4bb45db0cb561f95a78b967f768562c364ce600f75b21e97e6fe367d875ed96f677e3724cdcb8884ef1e8057ea82ca688c3791a73d05
ripemd-160 5f5f154225218f2e6bc55a503d2a851bdbc4846b

38994987 as geometric shapes

Circle

Radius = n
Diameter 77989974
Circumference 245012729.37206
Area 4.777134098349E+15

Sphere

Radius = n
Volume 2.4837904274983E+23
Surface area 1.9108536393396E+16
Circumference 245012729.37206

Square

Length = n
Perimeter 155979948
Area 1520609011130169
Diagonal 55147239.479963

Cube

Length = n
Surface area 9123654066781014
Volume 5.9296128621104E+22
Space diagonal 67541298.724488

Equilateral Triangle

Length = n
Perimeter 116984961
Area 6.5844301643113E+14
Altitude 33770649.362244

Triangular Pyramid

Length = n
Surface area 6.5844301643113E+14
Volume 6.9881157743487E+21
Height 18382413.159988