81471128 (number)

81471128 is an even 8-digits composite number following 81471127 and preceding 81471129. In scientific notation, it is written as 8.1471128 × 10^7. The sum of its digits is 32. It has a total of 4 prime factors and 8 positive divisors. There are 40735560 positive integers (up to 81471128) that are relatively prime to 81471128.

Interesting facts

Basic properties

Name

Name eighty-one million four hundred seventy-one thousand one hundred twenty-eight

Notation

Scientific notation 8.1471128 × 10^7
Engineering notation 8.1471128 × 10^6

Prime Factorization of 81471128

Prime Factorization 2 × 2 × 2 × 10183891

Composite number
ω Distinct Factors 2
Total number of distinct prime factors
Ω Total Factors 4
Total number of prime factors
rad Radical 20367782
Product of the distinct prime numbers

The prime factorization of 81471128 is 2 × 2 × 2 × 10183891. Since it has a total of 4 prime factors.

Most popular turbo-numbers

2, 6, 7, 24, 430, 523, 7823, 2298, 69705, 93876, 557976, 138251, 8804083, 6165060, 19068802, 97242131, 482233882, 461381413, 7441951821, 6744541582

Basic calculations (n = 81471128)

Multiplication

n×y
n×2 162942256
n×3 244413384
n×4 325884512
n×5 407355640

Division

n÷y
n÷2 40735564
n÷3 27157042.666667
n÷3 20367782
n÷5 16294225.6

Exponentiation

ny
n2 6637544697592384
n3 5.4076825366327E+23
n4 4.4056999612537E+31
n5 3.5893734547289E+39

Nth Root

y√n
2√n 9026.1358288029
3√n 433.51211925674
4√n 95.005977858253
5√n 38.212085944536

Divisors of 81471128

1, 2, 4, 8, 10183891, 20367782, 40735564, 81471128

8 divisors

τ Total Divisors 8
Total number of the positive divisors of n
σ Sum of Divisors 1
Sum of all the positive divisors of n
s Aliquot Sum -81471127
Sum of the proper positive divisors of n
A Arithmetic Mean 0.125
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 8
Returns the total number of divisors (τ(n)) divided by the sum of the reciprocal of each divisors

The number 81471128 can be divided by 8 positive divisors. The sum of these divisors (counting 81471128) is 1, the average is 0.125.

Base conversion 81471128

Base System Value
2 Binary 100110110110010011010011000
3 Ternary 12200022011101012
4 Quaternary 10312302122120
5 Quinary 131324034003
6 Senary 12030113052
8 Octal 466623230
10 Decimal 81471128
12 Duodecimal 2334b788
16 Hexadecimal 4db2698
20 Vigesimal 1593hg8
36 Base36 1ci7iw

Cryptographic Hash Functions

md5 d46769dcf9012a0fb147ad8dbe85b5ed
sha1 b580229bc635b3ee4987b9b1509714eb638ed4e5
sha256 7d5fe3102479405255b52f30862e45f5c75389be2bed315218e9381411d29654
sha512 6bd35e8679224b3c016408798603181216e7031a7ac9b2538d0fcc1b87942946caa1c963af33291ad65beed7c0396d49f7d879effcae469f6cd6ff2f56bf7526
ripemd-160 99da5edacae4524fe6e296b60b9ef74aa322ebc9

81471128 as geometric shapes

Circle

Radius = n
Diameter 162942256
Circumference 511898194.40895
Area 2.085246165983E+16

Sphere

Radius = n
Volume 2.2651647640041E+24
Surface area 8.340984663932E+16
Circumference 511898194.40895

Square

Length = n
Perimeter 325884512
Area 6637544697592384
Diagonal 115217574.15943

Cube

Length = n
Surface area 39825268185554304
Volume 5.4076825366327E+23
Space diagonal 141112133.04595

Equilateral Triangle

Length = n
Perimeter 244413384
Area 2.8741411634349E+15
Altitude 70556066.522974

Triangular Pyramid

Length = n
Surface area 2.8741411634349E+15
Volume 6.3730149869284E+22
Height 38405858.053145