81248049 (number)

81248049 is an odd 8-digits composite number following 81248048 and preceding 81248050. In scientific notation, it is written as 8.1248049 × 10^7. The sum of its digits is 36. It has a total of 4 prime factors and 16 positive divisors. There are 50978880 positive integers (up to 81248049) that are relatively prime to 81248049.

Interesting facts

Basic properties

Name

Name eighty-one million two hundred forty-eight thousand forty-nine

Notation

Scientific notation 8.1248049 × 10^7
Engineering notation 8.1248049 × 10^6

Prime Factorization of 81248049

Prime Factorization 9 × 3 × 17 × 177011

Composite number
ω Distinct Factors 4
Total number of distinct prime factors
Ω Total Factors 4
Total number of prime factors
rad Radical 81248049
Product of the distinct prime numbers

The prime factorization of 81248049 is 9 × 3 × 17 × 177011. Since it has a total of 4 prime factors.

Most popular turbo-numbers

Basic calculations (n = 81248049)

Multiplication

n×y
n×2 162496098
n×3 243744147
n×4 324992196
n×5 406240245

Division

n÷y
n÷2 40624024.5
n÷3 27082683
n÷3 20312012.25
n÷5 16249609.8

Exponentiation

ny
n2 6601245466306401
n3 5.3633831510749E+23
n4 4.3576441706431E+31
n5 3.5405008710097E+39

Nth Root

y√n
2√n 9013.769966002
3√n 433.11608590938
4√n 94.940876159861
5√n 38.191137012592

Divisors of 81248049

16 divisors

τ Total Divisors 16
Total number of the positive divisors of n
σ Sum of Divisors 1
Sum of all the positive divisors of n
s Aliquot Sum -81248048
Sum of the proper positive divisors of n
A Arithmetic Mean 0.0625
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 16
Returns the total number of divisors (τ(n)) divided by the sum of the reciprocal of each divisors

The number 81248049 can be divided by 16 positive divisors. The sum of these divisors (counting 81248049) is 1, the average is 0.0625.

Base conversion 81248049

Base System Value
2 Binary 100110101111011111100110001
3 Ternary 12122212211101000
4 Quaternary 10311323330301
5 Quinary 131244414144
6 Senary 12021232213
8 Octal 465737461
10 Decimal 81248049
12 Duodecimal 23262669
16 Hexadecimal 4d7bf31
20 Vigesimal 157g029
36 Base36 1cdfe9

Cryptographic Hash Functions

md5 a9a8cb2d5dd3d61160060ae811b6e0f2
sha1 3f3ef1aca76e8a6a8a712f2f7bb9766774551041
sha256 5b8e439c95b873a3a4d8fd25f0c74e1ded95d1ac31fc31890e7d941b255a15ee
sha512 b6f3823dbaad2c2924178b087306606995eb7cdaacd53cb33036d9ecfb002209bf514b1607e21d4fad706cdd591d9009c255348cbdb9292dc8036e5b20f777d0
ripemd-160 4b6f95eeac6dd7b1f02f10695fa6a384421f4f7a

81248049 as geometric shapes

Circle

Radius = n
Diameter 162496098
Circumference 510496547.71381
Area 2.0738424261491E+16

Sphere

Radius = n
Volume 2.2466086807739E+24
Surface area 8.2953697045964E+16
Circumference 510496547.71381

Square

Length = n
Perimeter 324992196
Area 6601245466306401
Diagonal 114902092.81215

Cube

Length = n
Surface area 39607472797838406
Volume 5.3633831510749E+23
Space diagonal 140725748.88385

Equilateral Triangle

Length = n
Perimeter 243744147
Area 2.8584231352191E+15
Altitude 70362874.441923

Triangular Pyramid

Length = n
Surface area 2.8584231352191E+15
Volume 6.3208076603779E+22
Height 38300697.604051