81490103 (number)

81490103 is an odd 8-digits composite number following 81490102 and preceding 81490104. In scientific notation, it is written as 8.1490103 × 10^7. The sum of its digits is 26. It has a total of 2 prime factors and 4 positive divisors. There are 78861360 positive integers (up to 81490103) that are relatively prime to 81490103.

Interesting facts

Basic properties

Name

Name eighty-one million four hundred ninety thousand one hundred three

Notation

Scientific notation 8.1490103 × 10^7
Engineering notation 8.1490103 × 10^6

Prime Factorization of 81490103

Prime Factorization 31 × 2628713

Composite number
ω Distinct Factors 2
Total number of distinct prime factors
Ω Total Factors 2
Total number of prime factors
rad Radical 81490103
Product of the distinct prime numbers

The prime factorization of 81490103 is 31 × 2628713. Since it has a total of 2 prime factors.

Most popular turbo-numbers

Basic calculations (n = 81490103)

Multiplication

n×y
n×2 162980206
n×3 244470309
n×4 325960412
n×5 407450515

Division

n÷y
n÷2 40745051.5
n÷3 27163367.666667
n÷3 20372525.75
n÷5 16298020.6

Exponentiation

ny
n2 6640636886950609
n3 5.411461839032E+23
n4 4.4098058264329E+31
n5 3.5935553100602E+39

Nth Root

y√n
2√n 9027.1868818586
3√n 433.54577229896
4√n 95.011509207351
5√n 38.213865732809

Divisors of 81490103

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 -81490102
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 81490103 can be divided by 4 positive divisors. The sum of these divisors (counting 81490103) is 1, the average is 0.25.

Base conversion 81490103

Base System Value
2 Binary 100110110110111000010110111
3 Ternary 12200100010101222
4 Quaternary 10312313002313
5 Quinary 131330140403
6 Senary 12030340555
8 Octal 466670267
10 Decimal 81490103
12 Duodecimal 2335a75b
16 Hexadecimal 4db70b7
20 Vigesimal 1596553
36 Base36 1cim5z

Cryptographic Hash Functions

md5 f8ce4e3864bd207bf36e659833541a48
sha1 04accdf6efe1d3e72b79cd534ad252357a890b27
sha256 10bde41e47f2e86a06529554886e766151e688d987c7c7bc78b2bd1f8e1a1c45
sha512 8cc8b12484e98d835de7cb0c8ca44266cec07cc418e15746e4fe4aa359c8205bb1797efad4bcd95e3c01aacb5ef903becfbff13dd1e97d4761629aefb3b95475
ripemd-160 c46f9daff7eb9290c56bf35fd2e4af9061e3ee0e

81490103 as geometric shapes

Circle

Radius = n
Diameter 162980206
Circumference 512017417.85015
Area 2.0862176059201E+16

Sphere

Radius = n
Volume 2.2667478344913E+24
Surface area 8.3448704236806E+16
Circumference 512017417.85015

Square

Length = n
Perimeter 325960412
Area 6640636886950609
Diagonal 115244408.86178

Cube

Length = n
Surface area 39843821321703654
Volume 5.411461839032E+23
Space diagonal 141144998.71002

Equilateral Triangle

Length = n
Perimeter 244470309
Area 2.8754801207036E+15
Altitude 70572499.35501

Triangular Pyramid

Length = n
Surface area 2.8754801207036E+15
Volume 6.3774689375196E+22
Height 38414802.953927