81749006 (number)

81749006 is an even 8-digits composite number following 81749005 and preceding 81749007. In scientific notation, it is written as 8.1749006 × 10^7. The sum of its digits is 35. It has a total of 2 prime factors and 4 positive divisors. There are 40874502 positive integers (up to 81749006) that are relatively prime to 81749006.

Interesting facts

Basic properties

Name

Name eighty-one million seven hundred forty-nine thousand six

Notation

Scientific notation 8.1749006 × 10^7
Engineering notation 8.1749006 × 10^6

Prime Factorization of 81749006

Prime Factorization 2 × 40874503

Composite number
ω Distinct Factors 2
Total number of distinct prime factors
Ω Total Factors 2
Total number of prime factors
rad Radical 81749006
Product of the distinct prime numbers

The prime factorization of 81749006 is 2 × 40874503. Since it has a total of 2 prime factors.

Most popular turbo-numbers

Basic calculations (n = 81749006)

Multiplication

n×y
n×2 163498012
n×3 245247018
n×4 326996024
n×5 408745030

Division

n÷y
n÷2 40874503
n÷3 27249668.666667
n÷3 20437251.5
n÷5 16349801.2

Exponentiation

ny
n2 6682899981988036
n3 5.4632043072494E+23
n4 4.4661152169256E+31
n5 3.6510047966514E+39

Nth Root

y√n
2√n 9041.5156915199
3√n 434.00442774051
4√n 95.08688496065
5√n 38.238116861971

Divisors of 81749006

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 -81749005
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 81749006 can be divided by 4 positive divisors. The sum of these divisors (counting 81749006) is 1, the average is 0.25.

Base conversion 81749006

Base System Value
2 Binary 100110111110110010000001110
3 Ternary 12200211021112222
4 Quaternary 10313312100032
5 Quinary 131411432011
6 Senary 12040055342
8 Octal 467662016
10 Decimal 81749006
12 Duodecimal 23464552
16 Hexadecimal 4df640e
20 Vigesimal 15aica6
36 Base36 1co5xq

Cryptographic Hash Functions

md5 9aaed87081f7061aef6e334eb26d6d82
sha1 22bf1621b2a44169cb9dabe3c836f514aa9d380c
sha256 c2e5918f3c6914a3c3f4e10f6916939f5bdb7a9937ebcdec066440cdad2b2f68
sha512 c5f4955baaef783f9c28a2f7844a1c607673fcd9d42fe1719af1092fe63b4b594d7c59b013fcde13f8a1dd6dfe9ef7d232322a819e2e2772aa6659dc100ebdb8
ripemd-160 dc428e2fa19e90de65e4d1fad2e33806900e317f

81749006 as geometric shapes

Circle

Radius = n
Diameter 163498012
Circumference 513644153.37574
Area 2.0994949488089E+16

Sphere

Radius = n
Volume 2.2884216688953E+24
Surface area 8.3979797952356E+16
Circumference 513644153.37574

Square

Length = n
Perimeter 326996024
Area 6682899981988036
Diagonal 115610552.99572

Cube

Length = n
Surface area 40097399891928216
Volume 5.4632043072494E+23
Space diagonal 141593431.86025

Equilateral Triangle

Length = n
Perimeter 245247018
Area 2.8937805776761E+15
Altitude 70796715.930126

Triangular Pyramid

Length = n
Surface area 2.8937805776761E+15
Volume 6.438448021106E+22
Height 38536850.998573