81749103 (number)

81749103 is an odd 8-digits composite number following 81749102 and preceding 81749104. In scientific notation, it is written as 8.1749103 × 10^7. The sum of its digits is 33. It has a total of 2 prime factors and 4 positive divisors. There are 54499400 positive integers (up to 81749103) that are relatively prime to 81749103.

Interesting facts

Basic properties

Name

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

Notation

Scientific notation 8.1749103 × 10^7
Engineering notation 8.1749103 × 10^6

Prime Factorization of 81749103

Prime Factorization 3 × 27249701

Composite number
ω Distinct Factors 2
Total number of distinct prime factors
Ω Total Factors 2
Total number of prime factors
rad Radical 81749103
Product of the distinct prime numbers

The prime factorization of 81749103 is 3 × 27249701. Since it has a total of 2 prime factors.

Most popular turbo-numbers

Basic calculations (n = 81749103)

Multiplication

n×y
n×2 163498206
n×3 245247309
n×4 326996412
n×5 408745515

Division

n÷y
n÷2 40874551.5
n÷3 27249701
n÷3 20437275.75
n÷5 16349820.6

Exponentiation

ny
n2 6682915841304609
n3 5.4632237545114E+23
n4 4.466136414196E+31
n5 3.6510264573616E+39

Nth Root

y√n
2√n 9041.5210556631
3√n 434.0045993977
4√n 95.086913167182
5√n 38.238125936321

Divisors of 81749103

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 -81749102
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 81749103 can be divided by 4 positive divisors. The sum of these divisors (counting 81749103) is 1, the average is 0.25.

Base conversion 81749103

Base System Value
2 Binary 100110111110110010001101111
3 Ternary 12200211021200120
4 Quaternary 10313312101233
5 Quinary 131411432403
6 Senary 12040100023
8 Octal 467662157
10 Decimal 81749103
12 Duodecimal 23464613
16 Hexadecimal 4df646f
20 Vigesimal 15aicf3
36 Base36 1co60f

Cryptographic Hash Functions

md5 b1eef07a3fec5e29992f70753956b6cf
sha1 48d2b3a8e30f23f143c79669f2e9a0d6fc2714be
sha256 fd510a69f60f5f5e2b62ad55ab0027f8ce5414cac55a8d98fa4759401ab85bcc
sha512 ed8f64f708eeee9187e89483a189736f24bbd8fa296f09391efe84bee5f42b6998e637b2b1bf4ebbc46c72e985b7b4f6d95b9e24a4f79121b73f6be7cb8c1edb
ripemd-160 3ccc6e523ba1302f2f7dc4bd4fffbedbf77943d9

81749103 as geometric shapes

Circle

Radius = n
Diameter 163498206
Circumference 513644762.84471
Area 2.0994999311601E+16

Sphere

Radius = n
Volume 2.2884298149454E+24
Surface area 8.3979997246406E+16
Circumference 513644762.84471

Square

Length = n
Perimeter 326996412
Area 6682915841304609
Diagonal 115610690.17444

Cube

Length = n
Surface area 40097495047827654
Volume 5.4632237545114E+23
Space diagonal 141593599.86918

Equilateral Triangle

Length = n
Perimeter 245247309
Area 2.8937874449616E+15
Altitude 70796799.934591

Triangular Pyramid

Length = n
Surface area 2.8937874449616E+15
Volume 6.4384709399241E+22
Height 38536896.724812