81469884 (number)

81469884 is an even 8-digits composite number following 81469883 and preceding 81469885. In scientific notation, it is written as 8.1469884 × 10^7. The sum of its digits is 48. It has a total of 4 prime factors and 12 positive divisors. There are 27156624 positive integers (up to 81469884) that are relatively prime to 81469884.

Interesting facts

Basic properties

Name

Name eighty-one million four hundred sixty-nine thousand eight hundred eighty-four

Notation

Scientific notation 8.1469884 × 10^7
Engineering notation 8.1469884 × 10^6

Prime Factorization of 81469884

Prime Factorization 2 × 2 × 3 × 6789157

Composite number
ω Distinct Factors 3
Total number of distinct prime factors
Ω Total Factors 4
Total number of prime factors
rad Radical 40734942
Product of the distinct prime numbers

The prime factorization of 81469884 is 2 × 2 × 3 × 6789157. Since it has a total of 4 prime factors.

Most popular turbo-numbers

5, 1, 74, 75, 723, 411, 4204, 2901, 63565, 51821, 478980, 190563, 1228282, 7582988, 12318254, 12783159, 193920601, 960529810, 7671455706, 8063619690

Basic calculations (n = 81469884)

Multiplication

n×y
n×2 162939768
n×3 244409652
n×4 325879536
n×5 407349420

Division

n÷y
n÷2 40734942
n÷3 27156628
n÷3 20367471
n÷5 16293976.8

Exponentiation

ny
n2 6637341998973456
n3 5.407434827247E+23
n4 4.4054308811337E+31
n5 3.5890994285598E+39

Nth Root

y√n
2√n 9026.066917545
3√n 433.50991278256
4√n 95.005615189551
5√n 38.211969250128

Divisors of 81469884

1, 2, 3, 4, 6, 12, 6789157, 13578314, 20367471, 27156628, 40734942, 81469884

12 divisors

τ Total Divisors 12
Total number of the positive divisors of n
σ Sum of Divisors 1
Sum of all the positive divisors of n
s Aliquot Sum -81469883
Sum of the proper positive divisors of n
A Arithmetic Mean 0.083333333333333
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 12
Returns the total number of divisors (τ(n)) divided by the sum of the reciprocal of each divisors

The number 81469884 can be divided by 12 positive divisors. The sum of these divisors (counting 81469884) is 1, the average is 0.083333333333333.

Base conversion 81469884

Base System Value
2 Binary 100110110110010000110111100
3 Ternary 12200022002200010
4 Quaternary 10312302012330
5 Quinary 131324014014
6 Senary 12030103220
8 Octal 466620674
10 Decimal 81469884
12 Duodecimal 2334ab10
16 Hexadecimal 4db21bc
20 Vigesimal 1593ee4
36 Base36 1ci6kc

Cryptographic Hash Functions

md5 bbe4e9007ab3069b333dfbab0cc1c5e8
sha1 d71f1403cc1cb34fafebb648b51526e0f7736be6
sha256 81efb5ed02c9609d109852875fd9692510623acc9a69868da4cc1b1b6a12ee1d
sha512 28beb6d95a8ad4a33f151bb5a5e27edcd31ba870782216d8c7d48334a37b1bc8e82efd30a616cf9510c2350d2e872b7d1951a95d8059b73646ebdfbb667a65d8
ripemd-160 3bea4bbdb15882a6b76696da93e8e2bad71bec9a

81469884 as geometric shapes

Circle

Radius = n
Diameter 162939768
Circumference 511890378.12643
Area 2.0851824863338E+16

Sphere

Radius = n
Volume 2.2650610037393E+24
Surface area 8.3407299453352E+16
Circumference 511890378.12643

Square

Length = n
Perimeter 325879536
Area 6637341998973456
Diagonal 115215814.87776

Cube

Length = n
Surface area 39824051993840736
Volume 5.407434827247E+23
Space diagonal 141109978.37474

Equilateral Triangle

Length = n
Perimeter 244409652
Area 2.8740533923582E+15
Altitude 70554989.187371

Triangular Pyramid

Length = n
Surface area 2.8740533923582E+15
Volume 6.3727230586177E+22
Height 38405271.625921