81488377 (number)

81488377 is an odd 8-digits composite number following 81488376 and preceding 81488378. In scientific notation, it is written as 8.1488377 × 10^7. The sum of its digits is 46. It has a total of 2 prime factors and 4 positive divisors. There are 81293476 positive integers (up to 81488377) that are relatively prime to 81488377.

Interesting facts

Basic properties

Name

Name eighty-one million four hundred eighty-eight thousand three hundred seventy-seven

Notation

Scientific notation 8.1488377 × 10^7
Engineering notation 8.1488377 × 10^6

Prime Factorization of 81488377

Prime Factorization 419 × 194483

Composite number
ω Distinct Factors 2
Total number of distinct prime factors
Ω Total Factors 2
Total number of prime factors
rad Radical 81488377
Product of the distinct prime numbers

The prime factorization of 81488377 is 419 × 194483. Since it has a total of 2 prime factors.

Most popular turbo-numbers

10, 2, 75, 76, 536, 936, 16, 5441, 81706, 2147, 905399, 587047, 2050299, 6779420, 6912662, 90957034, 171505821, 147785547, 3325806145, 287682510

Basic calculations (n = 81488377)

Multiplication

n×y
n×2 162976754
n×3 244465131
n×4 325953508
n×5 407441885

Division

n÷y
n÷2 40744188.5
n÷3 27162792.333333
n÷3 20372094.25
n÷5 16297675.4

Exponentiation

ny
n2 6640355586094129
n3 5.4111179941369E+23
n4 4.4094322309772E+31
n5 3.5931747599382E+39

Nth Root

y√n
2√n 9027.0912812489
3√n 433.54271137393
4√n 95.011006105866
5√n 38.213703853787

Divisors of 81488377

1, 419, 194483, 81488377

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 -81488376
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 81488377 can be divided by 4 positive divisors. The sum of these divisors (counting 81488377) is 1, the average is 0.25.

Base conversion 81488377

Base System Value
2 Binary 100110110110110100111111001
3 Ternary 12200100001001001
4 Quaternary 10312312213321
5 Quinary 131330112002
6 Senary 12030325001
8 Octal 466664771
10 Decimal 81488377
12 Duodecimal 23359761
16 Hexadecimal 4db69f9
20 Vigesimal 15960ih
36 Base36 1ciku1

Cryptographic Hash Functions

md5 4cd08e94a90c2f71dc014a7afa9b52b9
sha1 c94352a8614d7cb74dd2bbdbd48d37134fdfe746
sha256 0f62d3cd840038efe8cf580cd78c308d0299cf8bc759194868ac6d8756a80f10
sha512 baf6f557f52d33c04a7c4cc785f20040e9c8369b5f7ce86a29e4cc96d4463d831129cf4ae1d8b06f0ecb92be89349829e40ba37783bb058515d1f4ac2fac5d58
ripemd-160 509de49d154e8338aa5424d72a200c8fcd561504

81488377 as geometric shapes

Circle

Radius = n
Diameter 162976754
Circumference 512006573.07231
Area 2.0861292326497E+16

Sphere

Radius = n
Volume 2.2666038050784E+24
Surface area 8.3445169305989E+16
Circumference 512006573.07231

Square

Length = n
Perimeter 325953508
Area 6640355586094129
Diagonal 115241967.92917

Cube

Length = n
Surface area 39842133516564774
Volume 5.4111179941369E+23
Space diagonal 141142009.19033

Equilateral Triangle

Length = n
Perimeter 244465131
Area 2.8753583138597E+15
Altitude 70571004.595164

Triangular Pyramid

Length = n
Surface area 2.8753583138597E+15
Volume 6.3770637124246E+22
Height 38413989.309724