38949985 (number)

38949985 is an odd 8-digits composite number following 38949984 and preceding 38949986. In scientific notation, it is written as 3.8949985 × 10^7. The sum of its digits is 55. It has a total of 2 prime factors and 4 positive divisors. There are 31159984 positive integers (up to 38949985) that are relatively prime to 38949985.

Interesting facts

Basic properties

Name

Name thirty-eight million nine hundred forty-nine thousand nine hundred eighty-five

Notation

Scientific notation 3.8949985 × 10^7
Engineering notation 3.8949985 × 10^6

Prime Factorization of 38949985

Prime Factorization 5 × 7789997

Composite number
ω Distinct Factors 2
Total number of distinct prime factors
Ω Total Factors 2
Total number of prime factors
rad Radical 38949985
Product of the distinct prime numbers

The prime factorization of 38949985 is 5 × 7789997. Since it has a total of 2 prime factors.

Most popular turbo-numbers

8, 4, 24, 86, 832, 753, 5217, 4430, 983, 88459, 74304, 205625, 6037730, 2458486, 45709720, 14183481, 776290925, 555026111, 6487463309, 2032699680

Basic calculations (n = 38949985)

Multiplication

n×y
n×2 77899970
n×3 116849955
n×4 155799940
n×5 194749925

Division

n÷y
n÷2 19474992.5
n÷3 12983328.333333
n÷3 9737496.25
n÷5 7789997

Exponentiation

ny
n2 1517101331500225
n3 5.9091074105414E+22
n4 2.3015964500398E+30
n5 8.9647147205102E+37

Nth Root

y√n
2√n 6240.9923089201
3√n 338.9761152439
4√n 78.999951322264
5√n 32.968672389146

Divisors of 38949985

1, 5, 7789997, 38949985

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 -38949984
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 38949985 can be divided by 4 positive divisors. The sum of these divisors (counting 38949985) is 1, the average is 0.25.

Base conversion 38949985

Base System Value
2 Binary 10010100100101010001100001
3 Ternary 2201021212100001
4 Quaternary 2110211101201
5 Quinary 34432344420
6 Senary 3510500001
8 Octal 224452141
10 Decimal 38949985
12 Duodecimal 11064601
16 Hexadecimal 2525461
20 Vigesimal c38ej5
36 Base36 n6u01

Cryptographic Hash Functions

md5 92f111129805de28786734a0b65c0d7b
sha1 dbe27586bb165881b3ad91d6151327484f4059ee
sha256 e4d75cdfb66a5d0b770b37f965f17534e5000c48235feb7a4de0a8a770eda015
sha512 76e7253acae67fe7a33042f3fcdc8edf3abed28d8bd16d8d6dc473e5eb8d29c9b668ab3c30b4819c5cca43fbee724313fe677bb8eafa0211d69c0d69f37004f6
ripemd-160 63f556688af707a76436dec34abae5994f9157e2

38949985 as geometric shapes

Circle

Radius = n
Diameter 77899970
Circumference 244729973.46687
Area 4.7661143977924E+15

Sphere

Radius = n
Volume 2.4752011240306E+23
Surface area 1.906445759117E+16
Circumference 244729973.46687

Square

Length = n
Perimeter 155799940
Area 1517101331500225
Diagonal 55083597.041229

Cube

Length = n
Surface area 9102607989001350
Volume 5.9091074105414E+22
Space diagonal 67463352.974046

Equilateral Triangle

Length = n
Perimeter 116849955
Area 6.569241465972E+14
Altitude 33731676.487023

Triangular Pyramid

Length = n
Surface area 6.569241465972E+14
Volume 6.9639498679225E+21
Height 18361199.013743